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Browse Patents by U.S. Classification

=====================================

*   [Apparel (Class 2)](/patents-by-us-classification/2)

*   [Baths, closets, sinks, and spittoons (Class 4)](/patents-by-us-classification/4)

*   [Beds (Class 5)](/patents-by-us-classification/5)

*   [Compound tools (Class 7)](/patents-by-us-classification/7)

*   [Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers (Class 8)](/patents-by-us-classification/8)

*   [Boot and shoe making (Class 12)](/patents-by-us-classification/12)

*   [Bridges (Class 14)](/patents-by-us-classification/14)

*   [Brushing, scrubbing, and general cleaning (Class 15)](/patents-by-us-classification/15)

*   [Miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.) (Class 16)](/patents-by-us-classification/16)

*   [Textiles: fiber preparation (Class 19)](/patents-by-us-classification/19)

*   [Chemistry: physical processes (Class 23)](/patents-by-us-classification/23)

*   [Buckles, buttons, clasps, etc. (Class 24)](/patents-by-us-classification/24)

*   [Textiles: cloth finishing (Class 26)](/patents-by-us-classification/26)

*   [Undertaking (Class 27)](/patents-by-us-classification/27)

*   [Textiles: manufacturing (Class 28)](/patents-by-us-classification/28)

*   [Metal working (Class 29)](/patents-by-us-classification/29)

*   [Cutlery (Class 30)](/patents-by-us-classification/30)

*   [Geometrical instruments (Class 33)](/patents-by-us-classification/33)

*   [Drying and gas or vapor contact with solids (Class 34)](/patents-by-us-classification/34)

*   [Boots, shoes, and leggings (Class 36)](/patents-by-us-classification/36)

*   [Excavating (Class 37)](/patents-by-us-classification/37)

*   [Textiles: ironing or smoothing (Class 38)](/patents-by-us-classification/38)

*   [Card, picture, or sign exhibiting (Class 40)](/patents-by-us-classification/40)

*   [Firearms (Class 42)](/patents-by-us-classification/42)

*   [Fishing, trapping, and vermin destroying (Class 43)](/patents-by-us-classification/43)

*   [Fuel and related compositions (Class 44)](/patents-by-us-classification/44)

*   [Plant husbandry (Class 47)](/patents-by-us-classification/47)

*   [Gas: heating and illuminating (Class 48)](/patents-by-us-classification/48)

*   [Movable or removable closures (Class 49)](/patents-by-us-classification/49)

*   [Abrasive tool making process, material, or composition (Class 51)](/patents-by-us-classification/51)

*   [Static structures (e.g., buildings) (Class 52)](/patents-by-us-classification/52)

*   [Package making (Class 53)](/patents-by-us-classification/53)

*   [Harness for working animal (Class 54)](/patents-by-us-classification/54)

*   [Gas separation (Class 55)](/patents-by-us-classification/55)

*   [Harvesters (Class 56)](/patents-by-us-classification/56)

*   [Textiles: spinning, twisting, and twining (Class 57)](/patents-by-us-classification/57)

*   [Chain, staple, and horseshoe making (Class 59)](/patents-by-us-classification/59)

*   [Power plants (Class 60)](/patents-by-us-classification/60)

*   [Refrigeration (Class 62)](/patents-by-us-classification/62)

*   [Jewelry (Class 63)](/patents-by-us-classification/63)

*   [Glass manufacturing (Class 65)](/patents-by-us-classification/65)

*   [Textiles: knitting (Class 66)](/patents-by-us-classification/66)

*   [Textiles: fluid treating apparatus (Class 68)](/patents-by-us-classification/68)

*   [Leather manufactures (Class 69)](/patents-by-us-classification/69)

*   [Locks (Class 70)](/patents-by-us-classification/70)

*   [Chemistry: fertilizers (Class 71)](/patents-by-us-classification/71)

*   [Metal deforming (Class 72)](/patents-by-us-classification/72)

*   [Measuring and testing (Class 73)](/patents-by-us-classification/73)

*   [Machine element or mechanism (Class 74)](/patents-by-us-classification/74)

*   [Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures (Class 75)](/patents-by-us-classification/75)

*   [Metal tools and implements, making (Class 76)](/patents-by-us-classification/76)

*   [Button making (Class 79)](/patents-by-us-classification/79)

*   [Tools (Class 81)](/patents-by-us-classification/81)

*   [Turning (Class 82)](/patents-by-us-classification/82)

*   [Cutting (Class 83)](/patents-by-us-classification/83)

*   [Music (Class 84)](/patents-by-us-classification/84)

*   [Ammunition and explosive-charge making (Class 86)](/patents-by-us-classification/86)

*   [Textiles: braiding, netting, and lace making (Class 87)](/patents-by-us-classification/87)

*   [Ordnance (Class 89)](/patents-by-us-classification/89)

*   [Motors: expansible chamber type (Class 91)](/patents-by-us-classification/91)

*   [Expansible chamber devices (Class 92)](/patents-by-us-classification/92)

*   [Gas separation: processes (Class 95)](/patents-by-us-classification/95)

*   [Gas separation: apparatus (Class 96)](/patents-by-us-classification/96)

*   [Foods and beverages: apparatus (Class 99)](/patents-by-us-classification/99)

*   [Presses (Class 100)](/patents-by-us-classification/100)

*   [Printing (Class 101)](/patents-by-us-classification/101)

*   [Ammunition and explosives (Class 102)](/patents-by-us-classification/102)

*   [Railways (Class 104)](/patents-by-us-classification/104)

*   [Railway rolling stock (Class 105)](/patents-by-us-classification/105)

*   [Compositions: coating or plastic (Class 106)](/patents-by-us-classification/106)

*   [Horizontally supported planar surfaces (Class 108)](/patents-by-us-classification/108)

*   [Safes, bank protection, or a related device (Class 109)](/patents-by-us-classification/109)

*   [Furnaces (Class 110)](/patents-by-us-classification/110)

*   [Planting (Class 111)](/patents-by-us-classification/111)

*   [Sewing (Class 112)](/patents-by-us-classification/112)

*   [Ships (Class 114)](/patents-by-us-classification/114)

*   [Signals and indicators (Class 116)](/patents-by-us-classification/116)

*   [Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor (Class 117)](/patents-by-us-classification/117)

*   [Coating apparatus (Class 118)](/patents-by-us-classification/118)

*   [Animal husbandry (Class 119)](/patents-by-us-classification/119)

*   [Liquid heaters and vaporizers (Class 122)](/patents-by-us-classification/122)

*   [Internal-combustion engines (Class 123)](/patents-by-us-classification/123)

*   [Mechanical guns and projectors (Class 124)](/patents-by-us-classification/124)

*   [Stone working (Class 125)](/patents-by-us-classification/125)

*   [Stoves and furnaces (Class 126)](/patents-by-us-classification/126)

*   [Sugar, starch, and carbohydrates (Class 127)](/patents-by-us-classification/127)

*   [Surgery (Class 128)](/patents-by-us-classification/128)

*   [Tobacco (Class 131)](/patents-by-us-classification/131)

*   [Toilet (Class 132)](/patents-by-us-classification/132)

*   [Cleaning and liquid contact with solids (Class 134)](/patents-by-us-classification/134)

*   [Tent, canopy, umbrella, or cane (Class 135)](/patents-by-us-classification/135)

*   [Batteries: thermoelectric and photoelectric (Class 136)](/patents-by-us-classification/136)

*   [Fluid handling (Class 137)](/patents-by-us-classification/137)

*   [Pipes and tubular conduits (Class 138)](/patents-by-us-classification/138)

*   [Textiles: weaving (Class 139)](/patents-by-us-classification/139)

*   [Wireworking (Class 140)](/patents-by-us-classification/140)

*   [Fluent material handling, with receiver or receiver coacting means (Class 141)](/patents-by-us-classification/141)

*   [Wood turning (Class 142)](/patents-by-us-classification/142)

*   [Woodworking (Class 144)](/patents-by-us-classification/144)

*   [Coopering (Class 147)](/patents-by-us-classification/147)

*   [Metal treatment (Class 148)](/patents-by-us-classification/148)

*   [Explosive and thermic compositions or charges (Class 149)](/patents-by-us-classification/149)

*   [Purses, wallets, and protective covers (Class 150)](/patents-by-us-classification/150)

*   [Resilient tires and wheels (Class 152)](/patents-by-us-classification/152)

*   [Adhesive bonding and miscellaneous chemical manufacture (Class 156)](/patents-by-us-classification/156)

*   [Wheelwright machines (Class 157)](/patents-by-us-classification/157)

*   [Concentrating evaporators (Class 159)](/patents-by-us-classification/159)

*   [Flexible or portable closure, partition, or panel (Class 160)](/patents-by-us-classification/160)

*   [Paper making and fiber liberation (Class 162)](/patents-by-us-classification/162)

*   [Needle and pin making (Class 163)](/patents-by-us-classification/163)

*   [Metal founding (Class 164)](/patents-by-us-classification/164)

*   [Heat exchange (Class 165)](/patents-by-us-classification/165)

*   [Wells (Class 166)](/patents-by-us-classification/166)

*   [Farriery (Class 168)](/patents-by-us-classification/168)

*   [Fire extinguishers (Class 169)](/patents-by-us-classification/169)

*   [Unearthing plants or buried objects (Class 171)](/patents-by-us-classification/171)

*   [Earth working (Class 172)](/patents-by-us-classification/172)

*   [Tool driving or impacting (Class 173)](/patents-by-us-classification/173)

*   [Electricity: conductors and insulators (Class 174)](/patents-by-us-classification/174)

*   [Boring or penetrating the earth (Class 175)](/patents-by-us-classification/175)

*   [Weighing scales (Class 177)](/patents-by-us-classification/177)

*   [Telegraphy (Class 178)](/patents-by-us-classification/178)

*   [Motor vehicles (Class 180)](/patents-by-us-classification/180)

*   [Acoustics (Class 181)](/patents-by-us-classification/181)

*   [Fire escape, ladder, or scaffold (Class 182)](/patents-by-us-classification/182)

*   [Lubrication (Class 184)](/patents-by-us-classification/184)

*   [Motors: spring, weight, or animal powered (Class 185)](/patents-by-us-classification/185)

*   [Merchandising (Class 186)](/patents-by-us-classification/186)

*   [Elevator, industrial lift truck, or stationary lift for vehicle (Class 187)](/patents-by-us-classification/187)

*   [Brakes (Class 188)](/patents-by-us-classification/188)

*   [Trunks and hand-carried luggage (Class 190)](/patents-by-us-classification/190)

*   [Electricity: transmission to vehicles (Class 191)](/patents-by-us-classification/191)

*   [192 clutches and power-stop control (Class 192)](/patents-by-us-classification/192)

*   [Conveyors, chutes, skids, guides, and ways (Class 193)](/patents-by-us-classification/193)

*   [Check-actuated control mechanisms (Class 194)](/patents-by-us-classification/194)

*   [Mineral oils: apparatus (Class 196)](/patents-by-us-classification/196)

*   [Conveyors: power-driven (Class 198)](/patents-by-us-classification/198)

*   [Type casting (Class 199)](/patents-by-us-classification/199)

*   [Electricity: circuit makers and breakers (Class 200)](/patents-by-us-classification/200)

*   [Distillation: processes, thermolytic (Class 201)](/patents-by-us-classification/201)

*   [Distillation: apparatus (Class 202)](/patents-by-us-classification/202)

*   [Distillation: processes, separatory (Class 203)](/patents-by-us-classification/203)

*   [Chemistry: electrical and wave energy (Class 204)](/patents-by-us-classification/204)

*   [Electrolysis: processes, compositions used therein, and methods of preparing the compositions (Class 205)](/patents-by-us-classification/205)

*   [Special receptacle or package (Class 206)](/patents-by-us-classification/206)

*   [Mineral oils: processes and products (Class 208)](/patents-by-us-classification/208)

*   [Classifying, separating, and assorting solids (Class 209)](/patents-by-us-classification/209)

*   [Liquid purification or separation (Class 210)](/patents-by-us-classification/210)

*   [Supports: racks (Class 211)](/patents-by-us-classification/211)

*   [Traversing hoists (Class 212)](/patents-by-us-classification/212)

*   [Railway draft appliances (Class 213)](/patents-by-us-classification/213)

*   [Bottles and jars (Class 215)](/patents-by-us-classification/215)

*   [Etching a substrate: processes (Class 216)](/patents-by-us-classification/216)

*   [Wooden receptacles (Class 217)](/patents-by-us-classification/217)

*   [High-voltage switches with arc preventing or extinguishing devices (Class 218)](/patents-by-us-classification/218)

*   [Electric heating (Class 219)](/patents-by-us-classification/219)

*   [Receptacles (Class 220)](/patents-by-us-classification/220)

*   [Article dispensing (Class 221)](/patents-by-us-classification/221)

*   [Dispensing (Class 222)](/patents-by-us-classification/222)

*   [Apparel apparatus (Class 223)](/patents-by-us-classification/223)

*   [Package and article carriers (Class 224)](/patents-by-us-classification/224)

*   [Severing by tearing or breaking (Class 225)](/patents-by-us-classification/225)

*   [Advancing material of indeterminate length (Class 226)](/patents-by-us-classification/226)

*   [Elongated-member-driving apparatus (Class 227)](/patents-by-us-classification/227)

*   [Metal fusion bonding (Class 228)](/patents-by-us-classification/228)

*   [Envelopes, wrappers, and paperboard boxes (Class 229)](/patents-by-us-classification/229)

*   [Whips and whip apparatus (Class 231)](/patents-by-us-classification/231)

*   [Deposit and collection receptacles (Class 232)](/patents-by-us-classification/232)

*   [Selective cutting (e.g., punching) (Class 234)](/patents-by-us-classification/234)

*   [Registers (Class 235)](/patents-by-us-classification/235)

*   [Automatic temperature and humidity regulation (Class 236)](/patents-by-us-classification/236)

*   [Heating systems (Class 237)](/patents-by-us-classification/237)

*   [Railways: surface track (Class 238)](/patents-by-us-classification/238)

*   [Fluid sprinkling, spraying, and diffusing (Class 239)](/patents-by-us-classification/239)

*   [Solid material comminution or disintegration (Class 241)](/patents-by-us-classification/241)

*   [Winding, tensioning, or guiding (Class 242)](/patents-by-us-classification/242)

*   [Aeronautics and astronautics (Class 244)](/patents-by-us-classification/244)

*   [Wire fabrics and structure (Class 245)](/patents-by-us-classification/245)

*   [Railway switches and signals (Class 246)](/patents-by-us-classification/246)

*   [Supports (Class 248)](/patents-by-us-classification/248)

*   [Static molds (Class 249)](/patents-by-us-classification/249)

*   [Radiant energy (Class 250)](/patents-by-us-classification/250)

*   [Valves and valve actuation (Class 251)](/patents-by-us-classification/251)

*   [Compositions (Class 252)](/patents-by-us-classification/252)

*   [Implements or apparatus for applying pushing or pulling force (Class 254)](/patents-by-us-classification/254)

*   [Fences (Class 256)](/patents-by-us-classification/256)

*   [Active solid-state devices (e.g., transistors, solid-state diodes) (Class 257)](/patents-by-us-classification/257)

*   [Railway mail delivery (Class 258)](/patents-by-us-classification/258)

*   [Chemistry of carbon compounds (Class 260)](/patents-by-us-classification/260)

*   [Gas and liquid contact apparatus (Class 261)](/patents-by-us-classification/261)

*   [Plastic and nonmetallic article shaping or treating: processes (Class 264)](/patents-by-us-classification/264)

*   [Metallurgical apparatus (Class 266)](/patents-by-us-classification/266)

*   [Spring devices (Class 267)](/patents-by-us-classification/267)

*   [Work holders (Class 269)](/patents-by-us-classification/269)

*   [Sheet-material associating (Class 270)](/patents-by-us-classification/270)

*   [Sheet feeding or delivering (Class 271)](/patents-by-us-classification/271)

*   [Amusement devices: games (Class 273)](/patents-by-us-classification/273)

*   [Typesetting (Class 276)](/patents-by-us-classification/276)

*   [Seal for a joint or juncture (Class 277)](/patents-by-us-classification/277)

*   [Land vehicles: animal draft appliances (Class 278)](/patents-by-us-classification/278)

*   [Chucks or sockets (Class 279)](/patents-by-us-classification/279)

*   [Land vehicles (Class 280)](/patents-by-us-classification/280)

*   [Books, strips, and leaves (Class 281)](/patents-by-us-classification/281)

*   [Printed matter (Class 283)](/patents-by-us-classification/283)

*   [Pipe joints or couplings (Class 285)](/patents-by-us-classification/285)

*   [Knots and knot tying (Class 289)](/patents-by-us-classification/289)

*   [Prime-mover dynamo plants (Class 290)](/patents-by-us-classification/290)

*   [Track sanders (Class 291)](/patents-by-us-classification/291)

*   [Closure fasteners (Class 292)](/patents-by-us-classification/292)

*   [Vehicle fenders (Class 293)](/patents-by-us-classification/293)

*   [Handling: hand and hoist-line implements (Class 294)](/patents-by-us-classification/294)

*   [Railway wheels and axles (Class 295)](/patents-by-us-classification/295)

*   [Land vehicles: bodies and tops (Class 296)](/patents-by-us-classification/296)

*   [Chairs and seats (Class 297)](/patents-by-us-classification/297)

*   [Land vehicles: dumping (Class 298)](/patents-by-us-classification/298)

*   [Mining or in situ disintegration of hard material (Class 299)](/patents-by-us-classification/299)

*   [Brush, broom, and mop making (Class 300)](/patents-by-us-classification/300)

*   [Land vehicles: wheels and axles (Class 301)](/patents-by-us-classification/301)

*   [Fluid-pressure and analogous brake systems (Class 303)](/patents-by-us-classification/303)

*   [Wheel substitutes for land vehicles (Class 305)](/patents-by-us-classification/305)

*   [Electrical transmission or interconnection systems (Class 307)](/patents-by-us-classification/307)

*   [Electrical generator or motor structure (Class 310)](/patents-by-us-classification/310)

*   [Supports: cabinet structure (Class 312)](/patents-by-us-classification/312)

*   [Electric lamp and discharge devices (Class 313)](/patents-by-us-classification/313)

*   [Electric lamp and discharge devices: consumable electrodes (Class 314)](/patents-by-us-classification/314)

*   [Electric lamp and discharge devices: systems (Class 315)](/patents-by-us-classification/315)

*   [Electricity: motive power systems (Class 318)](/patents-by-us-classification/318)

*   [Electricity: battery or capacitor charging or discharging (Class 320)](/patents-by-us-classification/320)

*   [Electricity: single generator systems (Class 322)](/patents-by-us-classification/322)

*   [Electricity: power supply or regulation systems (Class 323)](/patents-by-us-classification/323)

*   [Electricity: measuring and testing (Class 324)](/patents-by-us-classification/324)

*   [Electronic digital logic circuitry (Class 326)](/patents-by-us-classification/326)

*   [Miscellaneous active electrical nonlinear devices, circuits, and systems (Class 327)](/patents-by-us-classification/327)

*   [Demodulators (Class 329)](/patents-by-us-classification/329)

*   [Amplifiers (Class 330)](/patents-by-us-classification/330)

*   [Oscillators (Class 331)](/patents-by-us-classification/331)

*   [Modulators (Class 332)](/patents-by-us-classification/332)

*   [Wave transmission lines and networks (Class 333)](/patents-by-us-classification/333)

*   [Tuners (Class 334)](/patents-by-us-classification/334)

*   [Electricity: magnetically operated switches, magnets, and electromagnets (Class 335)](/patents-by-us-classification/335)

*   [Inductor devices (Class 336)](/patents-by-us-classification/336)

*   [Electricity: electrothermally or thermally actuated switches (Class 337)](/patents-by-us-classification/337)

*   [Electrical resistors (Class 338)](/patents-by-us-classification/338)

*   [Communications: electrical (Class 340)](/patents-by-us-classification/340)

*   [Coded data generation or conversion (Class 341)](/patents-by-us-classification/341)

*   [Communications: directive radio wave systems and devices (e.g., radar, radio navigation) (Class 342)](/patents-by-us-classification/342)

*   [Communications: radio wave antennas (Class 343)](/patents-by-us-classification/343)

*   [Computer graphics processing and selective visual display systems (Class 345)](/patents-by-us-classification/345)

*   [Recorders (Class 346)](/patents-by-us-classification/346)

*   [Incremental printing of symbolic information (Class 347)](/patents-by-us-classification/347)

*   [Television (Class 348)](/patents-by-us-classification/348)

*   [Liquid crystal cells, elements and systems (Class 349)](/patents-by-us-classification/349)

*   [Optics: eye examining, vision testing and correcting (Class 351)](/patents-by-us-classification/351)

*   [Optics: motion pictures (Class 352)](/patents-by-us-classification/352)

*   [Optics: image projectors (Class 353)](/patents-by-us-classification/353)

*   [Photocopying (Class 355)](/patents-by-us-classification/355)

*   [Optics: measuring and testing (Class 356)](/patents-by-us-classification/356)

*   [Facsimile and static presentation processing (Class 358)](/patents-by-us-classification/358)

*   [Optical: systems and elements (Class 359)](/patents-by-us-classification/359)

*   [Dynamic magnetic information storage or retrieval (Class 360)](/patents-by-us-classification/360)

*   [Electricity: electrical systems and devices (Class 361)](/patents-by-us-classification/361)

*   [Illumination (Class 362)](/patents-by-us-classification/362)

*   [Electric power conversion systems (Class 363)](/patents-by-us-classification/363)

*   [Static information storage and retrieval (Class 365)](/patents-by-us-classification/365)

*   [Agitating (Class 366)](/patents-by-us-classification/366)

*   [Communications, electrical: acoustic wave systems and devices (Class 367)](/patents-by-us-classification/367)

*   [Horology: time measuring systems or devices (Class 368)](/patents-by-us-classification/368)

*   [Dynamic information storage or retrieval (Class 369)](/patents-by-us-classification/369)

*   [Multiplex communications (Class 370)](/patents-by-us-classification/370)

*   [Coherent light generators (Class 372)](/patents-by-us-classification/372)

*   [Industrial electric heating furnaces (Class 373)](/patents-by-us-classification/373)

*   [Thermal measuring and testing (Class 374)](/patents-by-us-classification/374)

*   [Pulse or digital communications (Class 375)](/patents-by-us-classification/375)

*   [Induced nuclear reactions: processes, systems, and elements (Class 376)](/patents-by-us-classification/376)

*   [Electrical pulse counters, pulse dividers, or shift registers: circuits and systems (Class 377)](/patents-by-us-classification/377)

*   [X-ray or gamma ray systems or devices (Class 378)](/patents-by-us-classification/378)

*   [Telephonic communications (Class 379)](/patents-by-us-classification/379)

*   [Cryptography (Class 380)](/patents-by-us-classification/380)

*   [Electrical audio signal processing systems and devices (Class 381)](/patents-by-us-classification/381)

*   [Image analysis (Class 382)](/patents-by-us-classification/382)

*   [Flexible bags (Class 383)](/patents-by-us-classification/383)

*   [Bearings (Class 384)](/patents-by-us-classification/384)

*   [Optical waveguides (Class 385)](/patents-by-us-classification/385)

*   [Motion video signal processing for recording or reproducing (Class 386)](/patents-by-us-classification/386)

*   [Electricity: motor control systems (Class 388)](/patents-by-us-classification/388)

*   [Electric resistance heating devices (Class 392)](/patents-by-us-classification/392)

*   [Photography (Class 396)](/patents-by-us-classification/396)

*   [Optical communications (Class 398)](/patents-by-us-classification/398)

*   [Electrophotography (Class 399)](/patents-by-us-classification/399)

*   [Typewriting machines (Class 400)](/patents-by-us-classification/400)

*   [Coating implements with material supply (Class 401)](/patents-by-us-classification/401)

*   [Binder device releasably engaging aperture or notch of sheet (Class 402)](/patents-by-us-classification/402)

*   [Joints and connections (Class 403)](/patents-by-us-classification/403)

*   [Road structure, process, or apparatus (Class 404)](/patents-by-us-classification/404)

*   [Hydraulic and earth engineering (Class 405)](/patents-by-us-classification/405)

*   [Conveyors: fluid current (Class 406)](/patents-by-us-classification/406)

*   [Cutters, for shaping (Class 407)](/patents-by-us-classification/407)

*   [Cutting by use of rotating axially moving tool (Class 408)](/patents-by-us-classification/408)

*   [Gear cutting, milling, or planing (Class 409)](/patents-by-us-classification/409)

*   [Freight accommodation on freight carrier (Class 410)](/patents-by-us-classification/410)

*   [Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener (Class 411)](/patents-by-us-classification/411)

*   [Bookbinding: process and apparatus (Class 412)](/patents-by-us-classification/412)

*   [Sheet metal container making (Class 413)](/patents-by-us-classification/413)

*   [Material or article handling (Class 414)](/patents-by-us-classification/414)

*   [Rotary kinetic fluid motors or pumps (Class 415)](/patents-by-us-classification/415)

*   [Fluid reaction surfaces (i.e., impellers) (Class 416)](/patents-by-us-classification/416)

*   [Pumps (Class 417)](/patents-by-us-classification/417)

*   [Rotary expansible chamber devices (Class 418)](/patents-by-us-classification/418)

*   [Powder metallurgy processes (Class 419)](/patents-by-us-classification/419)

*   [Alloys or metallic compositions (Class 420)](/patents-by-us-classification/420)

*   [Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing (Class 422)](/patents-by-us-classification/422)

*   [Chemistry of inorganic compounds (Class 423)](/patents-by-us-classification/423)

*   [Drug, bio-affecting and body treating compositions (Class 424)](/patents-by-us-classification/424)

*   [Plastic article or earthenware shaping or treating: apparatus (Class 425)](/patents-by-us-classification/425)

*   [Food or edible material: processes, compositions, and products (Class 426)](/patents-by-us-classification/426)

*   [Coating processes (Class 427)](/patents-by-us-classification/427)

*   [Stock material or miscellaneous articles (Class 428)](/patents-by-us-classification/428)

*   [Chemistry: electrical current producing apparatus, product, and process (Class 429)](/patents-by-us-classification/429)

*   [Radiation imagery chemistry: process, composition, or product thereof (Class 430)](/patents-by-us-classification/430)

*   [Combustion (Class 431)](/patents-by-us-classification/431)

*   [Heating (Class 432)](/patents-by-us-classification/432)

*   [Dentistry (Class 433)](/patents-by-us-classification/433)

*   [Education and demonstration (Class 434)](/patents-by-us-classification/434)

*   [Chemistry: molecular biology and microbiology (Class 435)](/patents-by-us-classification/435)

*   [Chemistry: analytical and immunological testing (Class 436)](/patents-by-us-classification/436)

*   [Semiconductor device manufacturing: process (Class 438)](/patents-by-us-classification/438)

*   [Electrical connectors (Class 439)](/patents-by-us-classification/439)

*   [Marine propulsion (Class 440)](/patents-by-us-classification/440)

*   [Buoys, rafts, and aquatic devices (Class 441)](/patents-by-us-classification/441)

*   [Fabric (woven, knitted, or nonwoven textile or cloth, etc.) (Class 442)](/patents-by-us-classification/442)

*   [Electric lamp or space discharge component or device manufacturing (Class 445)](/patents-by-us-classification/445)

*   [Amusement devices: toys (Class 446)](/patents-by-us-classification/446)

*   [Bee culture (Class 449)](/patents-by-us-classification/449)

*   [Foundation garments (Class 450)](/patents-by-us-classification/450)

*   [Abrading (Class 451)](/patents-by-us-classification/451)

*   [Butchering (Class 452)](/patents-by-us-classification/452)

*   [Coin handling (Class 453)](/patents-by-us-classification/453)

*   [Ventilation (Class 454)](/patents-by-us-classification/454)

*   [Telecommunications (Class 455)](/patents-by-us-classification/455)

*   [Crop threshing or separating (Class 460)](/patents-by-us-classification/460)

*   [Books, strips, and leaves for manifolding (Class 462)](/patents-by-us-classification/462)

*   [Amusement devices: games (Class 463)](/patents-by-us-classification/463)

*   [Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts (Class 464)](/patents-by-us-classification/464)

*   [Threaded, headed fastener, or washer making: process and apparatus (Class 470)](/patents-by-us-classification/470)

*   [Amusement devices (Class 472)](/patents-by-us-classification/472)

*   [Games using tangible projectile (Class 473)](/patents-by-us-classification/473)

*   [Endless belt power transmission systems or components (Class 474)](/patents-by-us-classification/474)

*   [Planetary gear transmission systems or components (Class 475)](/patents-by-us-classification/475)

*   [Friction gear transmission systems or components (Class 476)](/patents-by-us-classification/476)

*   [Interrelated power delivery controls, including engine control (Class 477)](/patents-by-us-classification/477)

*   [Exercise devices (Class 482)](/patents-by-us-classification/482)

*   [Tool changing (Class 483)](/patents-by-us-classification/483)

*   [Roll or roller (Class 492)](/patents-by-us-classification/492)

*   [Manufacturing container or tube from paper; or other manufacturing from a sheet or web (Class 493)](/patents-by-us-classification/493)

*   [Imperforate bowl: centrifugal separators (Class 494)](/patents-by-us-classification/494)

*   [Compositions: ceramic (Class 501)](/patents-by-us-classification/501)

*   [Catalyst, solid sorbent, or support therefor: product or process of making (Class 502)](/patents-by-us-classification/502)

*   [Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor (Class 503)](/patents-by-us-classification/503)

*   [Plant protecting and regulating compositions (Class 504)](/patents-by-us-classification/504)

*   [Superconductor technology: apparatus, material, process (Class 505)](/patents-by-us-classification/505)

*   [Combinatorial chemistry technology: method, library, apparatus (Class 506)](/patents-by-us-classification/506)

*   [Earth boring, well treating, and oil field chemistry (Class 507)](/patents-by-us-classification/507)

*   [Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions (Class 508)](/patents-by-us-classification/508)

*   [Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions (Class 510)](/patents-by-us-classification/510)

*   [Perfume compositions (Class 512)](/patents-by-us-classification/512)

*   [Drug, bio-affecting and body treating compositions (Class 514)](/patents-by-us-classification/514)

*   [Colloid systems and wetting agents; subcombinations thereof; processes of (Class 516)](/patents-by-us-classification/516)

*   [Chemistry: fischer-tropsch processes; or purification or recovery of products thereof (Class 518)](/patents-by-us-classification/518)

*   [Synthetic resins or natural rubbers -- part of the class 520 series (Class 520)](/patents-by-us-classification/520)

*   [Synthetic resins or natural rubbers -- part of the class 520 series (Class 521)](/patents-by-us-classification/521)

*   [Synthetic resins or natural rubbers -- part of the class 520 series (Class 522)](/patents-by-us-classification/522)

*   [Synthetic resins or natural rubbers -- part of the class 520 series (Class 523)](/patents-by-us-classification/523)

*   [Synthetic resins or natural rubbers -- part of the class 520 series (Class 524)](/patents-by-us-classification/524)

*   [Synthetic resins or natural rubbers -- part of the class 520 series (Class 525)](/patents-by-us-classification/525)

*   [Synthetic resins or natural rubbers -- part of the class 520 series (Class 526)](/patents-by-us-classification/526)

*   [Synthetic resins or natural rubbers -- part of the class 520 series (Class 527)](/patents-by-us-classification/527)

*   [Synthetic resins or natural rubbers -- part of the class 520 series (Class 528)](/patents-by-us-classification/528)

*   [Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof (Class 530)](/patents-by-us-classification/530)

*   [Organic compounds -- part of the class 532-570 series (Class 532)](/patents-by-us-classification/532)

*   [Organic compounds -- part of the class 532-570 series (Class 534)](/patents-by-us-classification/534)

*   [Organic compounds -- part of the class 532-570 series (Class 536)](/patents-by-us-classification/536)

*   [Organic compounds -- part of the class 532-570 series (Class 540)](/patents-by-us-classification/540)

*   [Organic compounds -- part of the class 532-570 series (Class 544)](/patents-by-us-classification/544)

*   [Organic compounds -- part of the class 532-570 series (Class 546)](/patents-by-us-classification/546)

*   [Organic compounds -- part of the class 532-570 series (Class 548)](/patents-by-us-classification/548)

*   [Organic compounds -- part of the class 532-570 series (Class 549)](/patents-by-us-classification/549)

*   [Organic compounds -- part of the class 532-570 series (Class 552)](/patents-by-us-classification/552)

*   [Organic compounds -- part of the class 532-570 series (Class 554)](/patents-by-us-classification/554)

*   [Organic compounds -- part of the class 532-570 series (Class 556)](/patents-by-us-classification/556)

*   [Organic compounds -- part of the class 532-570 series (Class 558)](/patents-by-us-classification/558)

*   [Organic compounds -- part of the class 532-570 series (Class 560)](/patents-by-us-classification/560)

*   [Organic compounds -- part of the class 532-570 series (Class 562)](/patents-by-us-classification/562)

*   [Organic compounds -- part of the class 532-570 series (Class 564)](/patents-by-us-classification/564)

*   [Organic compounds -- part of the class 532-570 series (Class 568)](/patents-by-us-classification/568)

*   [Organic compounds -- part of the class 532-570 series (Class 570)](/patents-by-us-classification/570)

*   [Chemistry of hydrocarbon compounds (Class 585)](/patents-by-us-classification/585)

*   [Hazardous or toxic waste destruction or containment (Class 588)](/patents-by-us-classification/588)

*   [Surgery (Class 600)](/patents-by-us-classification/600)

*   [Surgery: kinesitherapy (Class 601)](/patents-by-us-classification/601)

*   [Surgery: splint, brace, or bandage (Class 602)](/patents-by-us-classification/602)

*   [Surgery (Class 604)](/patents-by-us-classification/604)

*   [Surgery (Class 606)](/patents-by-us-classification/606)

*   [Surgery: light, thermal, and electrical application (Class 607)](/patents-by-us-classification/607)

*   [Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor (Class 623)](/patents-by-us-classification/623)

*   [Data processing: generic control systems or specific applications (Class 700)](/patents-by-us-classification/700)

*   [Data processing: vehicles, navigation, and relative location (Class 701)](/patents-by-us-classification/701)

*   [Data processing: measuring, calibrating, or testing (Class 702)](/patents-by-us-classification/702)

*   [Data processing: structural design, modeling, simulation, and emulation (Class 703)](/patents-by-us-classification/703)

*   [Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression (Class 704)](/patents-by-us-classification/704)

*   [Data processing: financial, business practice, management, or cost/price determination (Class 705)](/patents-by-us-classification/705)

*   [Data processing: artificial intelligence (Class 706)](/patents-by-us-classification/706)

*   [Data processing: database and file management or data structures (Class 707)](/patents-by-us-classification/707)

*   [Electrical computers: arithmetic processing and calculating (Class 708)](/patents-by-us-classification/708)

*   [Electrical computers and digital processing systems: multicomputer data transferring (Class 709)](/patents-by-us-classification/709)

*   [Electrical computers and digital data processing systems: input/output (Class 710)](/patents-by-us-classification/710)

*   [Electrical computers and digital processing systems: memory (Class 711)](/patents-by-us-classification/711)

*   [Electrical computers and digital processing systems: processing architectures and instruction processing (e.g., processors) (Class 712)](/patents-by-us-classification/712)

*   [Electrical computers and digital processing systems: support (Class 713)](/patents-by-us-classification/713)

*   [Error detection/correction and fault detection/recovery (Class 714)](/patents-by-us-classification/714)

*   [Data processing: presentation processing of document, operator interface processing, and screen saver display processing (Class 715)](/patents-by-us-classification/715)

*   [Computer-aided design and analysis of circuits and semiconductor masks (Class 716)](/patents-by-us-classification/716)

*   [Data processing: software development, installation, and management (Class 717)](/patents-by-us-classification/717)

*   [Electrical computers and digital processing systems: virtual machine task or process management or task management/control (Class 718)](/patents-by-us-classification/718)

*   [Electrical computers and digital processing systems: interprogram communication or interprocess communication (ipc) (Class 719)](/patents-by-us-classification/719)

*   [Dynamic optical information storage or retrieval (Class 720)](/patents-by-us-classification/720)

*   [Interactive video distribution systems (Class 725)](/patents-by-us-classification/725)

*   [Information security (Class 726)](/patents-by-us-classification/726)

*   [Multicellular living organisms and unmodified parts thereof and related processes (Class 800)](/patents-by-us-classification/800)

*   [Scanning-probe techniques or apparatus; applications of scanning-probe techniques, e.g., scanning probe microscopy \[spm\] (Class 850)](/patents-by-us-classification/850)

*   [Robots (Class 901)](/patents-by-us-classification/901)

*   [Electronic funds transfer (Class 902)](/patents-by-us-classification/902)

*   [Hybrid electric vehicles (hevs) (Class 903)](/patents-by-us-classification/903)

*   [Peptide or protein sequence (Class 930)](/patents-by-us-classification/930)

*   [Horology (Class 968)](/patents-by-us-classification/968)

*   [Nuclear technology (Class 976)](/patents-by-us-classification/976)

*   [Nanotechnology (Class 977)](/patents-by-us-classification/977)

*   [Musical instruments (Class 984)](/patents-by-us-classification/984)

*   [Organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system (Class 987)](/patents-by-us-classification/987)

*   [Edible products (Class D01)](/patents-by-us-classification/D01)

*   [Apparel and haberdashery (Class D02)](/patents-by-us-classification/D02)

*   [Travel goods and personal belongings (Class D03)](/patents-by-us-classification/D03)

*   [Brushware (Class D04)](/patents-by-us-classification/D04)

*   [Textile or paper yard goods; sheet material (Class D05)](/patents-by-us-classification/D05)

*   [Furnishings (Class D06)](/patents-by-us-classification/D06)

*   [Equipment for preparing or serving food or drink not elsewhere specified (Class D07)](/patents-by-us-classification/D07)

*   [Tools and hardware (Class D08)](/patents-by-us-classification/D08)

*   [Packages and containers for goods (Class D09)](/patents-by-us-classification/D09)

*   [Measuring, testing, or signalling instruments (Class D10)](/patents-by-us-classification/D10)

*   [Jewelry, symbolic insignia, and ornaments (Class D11)](/patents-by-us-classification/D11)

*   [Transportation (Class D12)](/patents-by-us-classification/D12)

*   [Equipment for production, distribution, or transformation of energy (Class D13)](/patents-by-us-classification/D13)

*   [Recording, communication, or information retrieval equipment (Class D14)](/patents-by-us-classification/D14)

*   [Machines not elsewhere specified (Class D15)](/patents-by-us-classification/D15)

*   [Photography and optical equipment (Class D16)](/patents-by-us-classification/D16)

*   [Musical instruments (Class D17)](/patents-by-us-classification/D17)

*   [Printing and office machinery (Class D18)](/patents-by-us-classification/D18)

*   [Office supplies; artists and teachers materials (Class D19)](/patents-by-us-classification/D19)

*   [Sales and advertising equipment (Class D20)](/patents-by-us-classification/D20)

*   [Games, toys, and sports goods (Class D21)](/patents-by-us-classification/D21)

*   [Arms, pyrotechnics, hunting and fishing equipment (Class D22)](/patents-by-us-classification/D22)

*   [Environmental heating and cooling; fluid handling and sanitary equipment (Class D23)](/patents-by-us-classification/D23)

*   [Medical and laboratory equipment (Class D24)](/patents-by-us-classification/D24)

*   [Building units and construction elements (Class D25)](/patents-by-us-classification/D25)

*   [Lighting (Class D26)](/patents-by-us-classification/D26)

*   [Tobacco and smokers' supplies (Class D27)](/patents-by-us-classification/D27)

*   [Cosmetic products and toilet articles (Class D28)](/patents-by-us-classification/D28)

*   [Equipment for safety, protection, and rescue (Class D29)](/patents-by-us-classification/D29)

*   [Animal husbandry (Class D30)](/patents-by-us-classification/D30)

*   [Washing, cleaning, or drying machine (Class D32)](/patents-by-us-classification/D32)

*   [Material or article handling equipment (Class D34)](/patents-by-us-classification/D34)

*   [Miscellaneous (Class D99)](/patents-by-us-classification/D99)

*   [INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER (Class G9B)](/patents-by-us-classification/G9B)

*   [Plants (Class PLT)](/patents-by-us-classification/PLT)

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