Browse Patents by U.S. Classification

Apparel (2)
Baths, closets, sinks, and spittoons (4)
Beds (5)
Compound tools (7)
Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers (8)
Boot and shoe making (12)
Bridges (14)
Brushing, scrubbing, and general cleaning (15)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.) (16)
Textiles: fiber preparation (19)
Chemistry: physical processes (23)
Buckles, buttons, clasps, etc. (24)
Textiles: cloth finishing (26)
Undertaking (27)
Textiles: manufacturing (28)
Metal working (29)
Cutlery (30)
Geometrical instruments (33)
Drying and gas or vapor contact with solids (34)
Boots, shoes, and leggings (36)
Excavating (37)
Textiles: ironing or smoothing (38)
Card, picture, or sign exhibiting (40)
Firearms (42)
Fishing, trapping, and vermin destroying (43)
Fuel and related compositions (44)
Plant husbandry (47)
Gas: heating and illuminating (48)
Movable or removable closures (49)
Abrasive tool making process, material, or composition (51)
Static structures (e.g., buildings) (52)
Package making (53)
Harness for working animal (54)
Gas separation (55)
Harvesters (56)
Textiles: spinning, twisting, and twining (57)
Chain, staple, and horseshoe making (59)
Power plants (60)
Refrigeration (62)
Jewelry (63)
Glass manufacturing (65)
Textiles: knitting (66)
Textiles: fluid treating apparatus (68)
Leather manufactures (69)
Locks (70)
Chemistry: fertilizers (71)
Metal deforming (72)
Measuring and testing (73)
Machine element or mechanism (74)
Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures (75)
Metal tools and implements, making (76)
Button making (79)
Tools (81)
Turning (82)
Cutting (83)
Music (84)
Ammunition and explosive-charge making (86)
Textiles: braiding, netting, and lace making (87)
Ordnance (89)
Motors: expansible chamber type (91)
Expansible chamber devices (92)
Gas separation: processes (95)
Gas separation: apparatus (96)
Foods and beverages: apparatus (99)
Presses (100)
Printing (101)
Ammunition and explosives (102)
Railways (104)
Railway rolling stock (105)
Compositions: coating or plastic (106)
Horizontally supported planar surfaces (108)
Safes, bank protection, or a related device (109)
Furnaces (110)
Planting (111)
Sewing (112)
Ships (114)
Signals and indicators (116)
Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor (117)
Coating apparatus (118)
Animal husbandry (119)
Liquid heaters and vaporizers (122)
Internal-combustion engines (123)
Mechanical guns and projectors (124)
Stone working (125)
Stoves and furnaces (126)
Sugar, starch, and carbohydrates (127)
Surgery (128)
Tobacco (131)
Toilet (132)
Cleaning and liquid contact with solids (134)
Tent, canopy, umbrella, or cane (135)
Batteries: thermoelectric and photoelectric (136)
Fluid handling (137)
Pipes and tubular conduits (138)
Textiles: weaving (139)
Wireworking (140)
Fluent material handling, with receiver or receiver coacting means (141)
Wood turning (142)
Woodworking (144)
Coopering (147)
Metal treatment (148)
Explosive and thermic compositions or charges (149)
Purses, wallets, and protective covers (150)
Resilient tires and wheels (152)
Adhesive bonding and miscellaneous chemical manufacture (156)
Wheelwright machines (157)
Concentrating evaporators (159)
Flexible or portable closure, partition, or panel (160)
Paper making and fiber liberation (162)
Needle and pin making (163)
Metal founding (164)
Heat exchange (165)
Wells (166)
Farriery (168)
Fire extinguishers (169)
Unearthing plants or buried objects (171)
Earth working (172)
Tool driving or impacting (173)
Electricity: conductors and insulators (174)
Boring or penetrating the earth (175)
Weighing scales (177)
Telegraphy (178)
Motor vehicles (180)
Acoustics (181)
Fire escape, ladder, or scaffold (182)
Lubrication (184)
Motors: spring, weight, or animal powered (185)
Merchandising (186)
Elevator, industrial lift truck, or stationary lift for vehicle (187)
Brakes (188)
Trunks and hand-carried luggage (190)
Electricity: transmission to vehicles (191)
192 clutches and power-stop control (192)
Conveyors, chutes, skids, guides, and ways (193)
Check-actuated control mechanisms (194)
Mineral oils: apparatus (196)
Conveyors: power-driven (198)
Type casting (199)
Electricity: circuit makers and breakers (200)
Distillation: processes, thermolytic (201)
Distillation: apparatus (202)
Distillation: processes, separatory (203)
Chemistry: electrical and wave energy (204)
Electrolysis: processes, compositions used therein, and methods of preparing the compositions (205)
Special receptacle or package (206)
Mineral oils: processes and products (208)
Classifying, separating, and assorting solids (209)
Liquid purification or separation (210)
Supports: racks (211)
Traversing hoists (212)
Railway draft appliances (213)
Bottles and jars (215)
Etching a substrate: processes (216)
Wooden receptacles (217)
High-voltage switches with arc preventing or extinguishing devices (218)
Electric heating (219)
Receptacles (220)
Article dispensing (221)
Dispensing (222)
Apparel apparatus (223)
Package and article carriers (224)
Severing by tearing or breaking (225)
Advancing material of indeterminate length (226)
Elongated-member-driving apparatus (227)
Metal fusion bonding (228)
Envelopes, wrappers, and paperboard boxes (229)
Whips and whip apparatus (231)
Deposit and collection receptacles (232)
Selective cutting (e.g., punching) (234)
Registers (235)
Automatic temperature and humidity regulation (236)
Heating systems (237)
Railways: surface track (238)
Fluid sprinkling, spraying, and diffusing (239)
Solid material comminution or disintegration (241)
Winding, tensioning, or guiding (242)
Aeronautics and astronautics (244)
Wire fabrics and structure (245)
Railway switches and signals (246)
Supports (248)
Static molds (249)
Radiant energy (250)
Valves and valve actuation (251)
Compositions (252)
Implements or apparatus for applying pushing or pulling force (254)
Fences (256)
Active solid-state devices (e.g., transistors, solid-state diodes) (257)
Railway mail delivery (258)
Chemistry of carbon compounds (260)
Gas and liquid contact apparatus (261)
Plastic and nonmetallic article shaping or treating: processes (264)
Metallurgical apparatus (266)
Spring devices (267)
Work holders (269)
Sheet-material associating (270)
Sheet feeding or delivering (271)
Amusement devices: games (273)
Typesetting (276)
Seal for a joint or juncture (277)
Land vehicles: animal draft appliances (278)
Chucks or sockets (279)
Land vehicles (280)
Books, strips, and leaves (281)
Printed matter (283)
Pipe joints or couplings (285)
Knots and knot tying (289)
Prime-mover dynamo plants (290)
Track sanders (291)
Closure fasteners (292)
Vehicle fenders (293)
Handling: hand and hoist-line implements (294)
Railway wheels and axles (295)
Land vehicles: bodies and tops (296)
Chairs and seats (297)
Land vehicles: dumping (298)
Mining or in situ disintegration of hard material (299)
Brush, broom, and mop making (300)
Land vehicles: wheels and axles (301)
Fluid-pressure and analogous brake systems (303)
Wheel substitutes for land vehicles (305)
Electrical transmission or interconnection systems (307)
Electrical generator or motor structure (310)
Supports: cabinet structure (312)
Electric lamp and discharge devices (313)
Electric lamp and discharge devices: consumable electrodes (314)
Electric lamp and discharge devices: systems (315)
Electricity: motive power systems (318)
Electricity: battery or capacitor charging or discharging (320)
Electricity: single generator systems (322)
Electricity: power supply or regulation systems (323)
Electricity: measuring and testing (324)
Electronic digital logic circuitry (326)
Miscellaneous active electrical nonlinear devices, circuits, and systems (327)
Demodulators (329)
Amplifiers (330)
Oscillators (331)
Modulators (332)
Wave transmission lines and networks (333)
Tuners (334)
Electricity: magnetically operated switches, magnets, and electromagnets (335)
Inductor devices (336)
Electricity: electrothermally or thermally actuated switches (337)
Electrical resistors (338)
Communications: electrical (340)
Coded data generation or conversion (341)
Communications: directive radio wave systems and devices (e.g., radar, radio navigation) (342)
Communications: radio wave antennas (343)
Computer graphics processing and selective visual display systems (345)
Recorders (346)
Incremental printing of symbolic information (347)
Television (348)
Liquid crystal cells, elements and systems (349)
Optics: eye examining, vision testing and correcting (351)
Optics: motion pictures (352)
Optics: image projectors (353)
Photocopying (355)
Optics: measuring and testing (356)
Facsimile and static presentation processing (358)
Optical: systems and elements (359)
Dynamic magnetic information storage or retrieval (360)
Electricity: electrical systems and devices (361)
Illumination (362)
Electric power conversion systems (363)
Static information storage and retrieval (365)
Agitating (366)
Communications, electrical: acoustic wave systems and devices (367)
Horology: time measuring systems or devices (368)
Dynamic information storage or retrieval (369)
Multiplex communications (370)
Coherent light generators (372)
Industrial electric heating furnaces (373)
Thermal measuring and testing (374)
Pulse or digital communications (375)
Induced nuclear reactions: processes, systems, and elements (376)
Electrical pulse counters, pulse dividers, or shift registers: circuits and systems (377)
X-ray or gamma ray systems or devices (378)
Telephonic communications (379)
Cryptography (380)
Electrical audio signal processing systems and devices (381)
Image analysis (382)
Flexible bags (383)
Bearings (384)
Optical waveguides (385)
Motion video signal processing for recording or reproducing (386)
Electricity: motor control systems (388)
Electric resistance heating devices (392)
Photography (396)
Optical communications (398)
Electrophotography (399)
Typewriting machines (400)
Coating implements with material supply (401)
Binder device releasably engaging aperture or notch of sheet (402)
Joints and connections (403)
Road structure, process, or apparatus (404)
Hydraulic and earth engineering (405)
Conveyors: fluid current (406)
Cutters, for shaping (407)
Cutting by use of rotating axially moving tool (408)
Gear cutting, milling, or planing (409)
Freight accommodation on freight carrier (410)
Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener (411)
Bookbinding: process and apparatus (412)
Sheet metal container making (413)
Material or article handling (414)
Rotary kinetic fluid motors or pumps (415)
Fluid reaction surfaces (i.e., impellers) (416)
Pumps (417)
Rotary expansible chamber devices (418)
Powder metallurgy processes (419)
Alloys or metallic compositions (420)
Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing (422)
Chemistry of inorganic compounds (423)
Drug, bio-affecting and body treating compositions (424)
Plastic article or earthenware shaping or treating: apparatus (425)
Food or edible material: processes, compositions, and products (426)
Coating processes (427)
Stock material or miscellaneous articles (428)
Chemistry: electrical current producing apparatus, product, and process (429)
Radiation imagery chemistry: process, composition, or product thereof (430)
Combustion (431)
Heating (432)
Dentistry (433)
Education and demonstration (434)
Chemistry: molecular biology and microbiology (435)
Chemistry: analytical and immunological testing (436)
Semiconductor device manufacturing: process (438)
Electrical connectors (439)
Marine propulsion (440)
Buoys, rafts, and aquatic devices (441)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.) (442)
Electric lamp or space discharge component or device manufacturing (445)
Amusement devices: toys (446)
Bee culture (449)
Foundation garments (450)
Abrading (451)
Butchering (452)
Coin handling (453)
Ventilation (454)
Telecommunications (455)
Crop threshing or separating (460)
Books, strips, and leaves for manifolding (462)
Amusement devices: games (463)
Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts (464)
Threaded, headed fastener, or washer making: process and apparatus (470)
Amusement devices (472)
Games using tangible projectile (473)
Endless belt power transmission systems or components (474)
Planetary gear transmission systems or components (475)
Friction gear transmission systems or components (476)
Interrelated power delivery controls, including engine control (477)
Exercise devices (482)
Tool changing (483)
Roll or roller (492)
Manufacturing container or tube from paper; or other manufacturing from a sheet or web (493)
Imperforate bowl: centrifugal separators (494)
Compositions: ceramic (501)
Catalyst, solid sorbent, or support therefor: product or process of making (502)
Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor (503)
Plant protecting and regulating compositions (504)
Superconductor technology: apparatus, material, process (505)
Combinatorial chemistry technology: method, library, apparatus (506)
Earth boring, well treating, and oil field chemistry (507)
Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions (508)
Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions (510)
Perfume compositions (512)
Drug, bio-affecting and body treating compositions (514)
Colloid systems and wetting agents; subcombinations thereof; processes of (516)
Chemistry: fischer-tropsch processes; or purification or recovery of products thereof (518)
Synthetic resins or natural rubbers -- part of the class 520 series (520)
Synthetic resins or natural rubbers -- part of the class 520 series (521)
Synthetic resins or natural rubbers -- part of the class 520 series (522)
Synthetic resins or natural rubbers -- part of the class 520 series (523)
Synthetic resins or natural rubbers -- part of the class 520 series (524)
Synthetic resins or natural rubbers -- part of the class 520 series (525)
Synthetic resins or natural rubbers -- part of the class 520 series (526)
Synthetic resins or natural rubbers -- part of the class 520 series (527)
Synthetic resins or natural rubbers -- part of the class 520 series (528)
Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof (530)
Organic compounds -- part of the class 532-570 series (532)
Organic compounds -- part of the class 532-570 series (534)
Organic compounds -- part of the class 532-570 series (536)
Organic compounds -- part of the class 532-570 series (540)
Organic compounds -- part of the class 532-570 series (544)
Organic compounds -- part of the class 532-570 series (546)
Organic compounds -- part of the class 532-570 series (548)
Organic compounds -- part of the class 532-570 series (549)
Organic compounds -- part of the class 532-570 series (552)
Organic compounds -- part of the class 532-570 series (554)
Organic compounds -- part of the class 532-570 series (556)
Organic compounds -- part of the class 532-570 series (558)
Organic compounds -- part of the class 532-570 series (560)
Organic compounds -- part of the class 532-570 series (562)
Organic compounds -- part of the class 532-570 series (564)
Organic compounds -- part of the class 532-570 series (568)
Organic compounds -- part of the class 532-570 series (570)
Chemistry of hydrocarbon compounds (585)
Hazardous or toxic waste destruction or containment (588)
Surgery (600)
Surgery: kinesitherapy (601)
Surgery: splint, brace, or bandage (602)
Surgery (604)
Surgery (606)
Surgery: light, thermal, and electrical application (607)
Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor (623)
Data processing: generic control systems or specific applications (700)
Data processing: vehicles, navigation, and relative location (701)
Data processing: measuring, calibrating, or testing (702)
Data processing: structural design, modeling, simulation, and emulation (703)
Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression (704)
Data processing: financial, business practice, management, or cost/price determination (705)
Data processing: artificial intelligence (706)
Data processing: database and file management or data structures (707)
Electrical computers: arithmetic processing and calculating (708)
Electrical computers and digital processing systems: multicomputer data transferring (709)
Electrical computers and digital data processing systems: input/output (710)
Electrical computers and digital processing systems: memory (711)
Electrical computers and digital processing systems: processing architectures and instruction processing (e.g., processors) (712)
Electrical computers and digital processing systems: support (713)
Error detection/correction and fault detection/recovery (714)
Data processing: presentation processing of document, operator interface processing, and screen saver display processing (715)
Computer-aided design and analysis of circuits and semiconductor masks (716)
Data processing: software development, installation, and management (717)
Electrical computers and digital processing systems: virtual machine task or process management or task management/control (718)
Electrical computers and digital processing systems: interprogram communication or interprocess communication (ipc) (719)
Dynamic optical information storage or retrieval (720)
Interactive video distribution systems (725)
Information security (726)
Multicellular living organisms and unmodified parts thereof and related processes (800)
Scanning-probe techniques or apparatus; applications of scanning-probe techniques, e.g., scanning probe microscopy [spm] (850)
Robots (901)
Electronic funds transfer (902)
Hybrid electric vehicles (hevs) (903)
Peptide or protein sequence (930)
Horology (968)
Nuclear technology (976)
Nanotechnology (977)
Musical instruments (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 (987)
Edible products (D01)
Apparel and haberdashery (D02)
Travel goods and personal belongings (D03)
Brushware (D04)
Textile or paper yard goods; sheet material (D05)
Furnishings (D06)
Equipment for preparing or serving food or drink not elsewhere specified (D07)
Tools and hardware (D08)
Packages and containers for goods (D09)
Measuring, testing, or signalling instruments (D10)
Jewelry, symbolic insignia, and ornaments (D11)
Transportation (D12)
Equipment for production, distribution, or transformation of energy (D13)
Recording, communication, or information retrieval equipment (D14)
Machines not elsewhere specified (D15)
Photography and optical equipment (D16)
Musical instruments (D17)
Printing and office machinery (D18)
Office supplies; artists and teachers materials (D19)
Sales and advertising equipment (D20)
Games, toys, and sports goods (D21)
Arms, pyrotechnics, hunting and fishing equipment (D22)
Environmental heating and cooling; fluid handling and sanitary equipment (D23)
Medical and laboratory equipment (D24)
Building units and construction elements (D25)
Lighting (D26)
Tobacco and smokers' supplies (D27)
Cosmetic products and toilet articles (D28)
Equipment for safety, protection, and rescue (D29)
Animal husbandry (D30)
Washing, cleaning, or drying machine (D32)
Material or article handling equipment (D34)
Miscellaneous (D99)
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER (G9B)
Plants (PLT)