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# Patent Class Title 2015ALL ALL CLASSES 325979257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 12014370 Multiplex Communications 11027455 Telecommunications 7902345 Computer Graphics Processing and Selective Visual Display Systems 7638514 Drug, Bio-Affecting and Body Treating Compositions 6669709 Electrical Computers and Digital Processing Systems: Multicomputer Data Transferring6358348 Television 6062424 Drug, Bio-Affecting and Body Treating Compositions 6043707 Data Processing: Database and File Management or Data Structures 5512701 Data Processing: Vehicles, Navigation, and Relative Location 5311438 Semiconductor Device Manufacturing: Process 4970382 Image Analysis 4675375 Pulse or Digital Communications 4652726 Information Security 4365D14 Recording, Communication, or Information Retrieval Equipment 4266435 Chemistry: Molecular Biology and Microbiology 4066606 Surgery 3738600 Surgery 3605711 Electrical Computers and Digital Processing Systems: Memory 3171361 Electricity: Electrical Systems and Devices 3101713 Electrical Computers and Digital Processing Systems: Support 3045715 Data Processing: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing2996428 Stock Material or Miscellaneous Articles 2967365 Static Information Storage and Retrieval 2889429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2871358 Facsimile and Static Presentation Processing 2859714 Error Detection/Correction and Fault Detection/Recovery 2782340 Communications: Electrical 2778399 Electrophotography 2675347 Incremental Printing of Symbolic Information 2649250 Radiant Energy 2628362 Illumination 2499604 Surgery 248673 Measuring and Testing 2266324 Electricity: Measuring and Testing 2146705 Data Processing: Financial, Business Practice, Management, or Cost/Price Determination2136439 Electrical Connectors 2115359 Optical: Systems and Elements 2100717 Data Processing: Software Development, Installation, and Management 208460 Power Plants 2048700 Data Processing: Generic Control Systems or Specific Applications 2047381 Electrical Audio Signal Processing Systems and Devices 2000725 Interactive Video Distribution Systems 1976D12 Transportation 1854315 Electric Lamp and Discharge Devices: Systems 1749623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor1693D24 Medical and Laboratory Equipment 168129 Metal Working 1665349 Liquid Crystal Cells, Elements and Systems 1637166 Wells 1564
280 Land Vehicles 1553356 Optics: Measuring and Testing 1521463 Amusement Devices: Games 1516702 Data Processing: Measuring, Calibrating, or Testing 1514123 Internal-Combustion Engines 1513800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes1513D06 Furnishings 150352 Static Structures (e.g., Buildings) 1469385 Optical Waveguides 1413704 Data Processing: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression1407327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1388D08 Tools and Hardware 1366D07 Equipment for Preparing or Serving Food or Drink Not Elsewhere Specified1364D09 Packages and Containers for Goods 1346718 Electrical Computers and Digital Processing Systems: Virtual Machine Task or Process Management or Task Management/Control1339607 Surgery: Light, Thermal, and Electrical Application 1331398 Optical Communications 1318137 Fluid Handling 1289235 Registers 1289174 Electricity: Conductors and Insulators 1279D13 Equipment for Production, Distribution, or Transformation of Energy 1275524 Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series 1261710 Electrical Computers and Digital Data Processing Systems: Input/Output 1256310 Electrical Generator or Motor Structure 1234320 Electricity: Battery or Capacitor Charging or Discharging 1220422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing1215427 Coating Processes 1209D26 Lighting 1206D23 Environmental Heating and Cooling; Fluid Handling and Sanitary Equipment1160430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1142360 Dynamic Magnetic Information Storage or Retrieval 1099210 Liquid Purification or Separation 1081379 Telephonic Communications 1077PLT Plants 1074156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1068252 Compositions 1052D02 Apparel and Haberdashery 103374 Machine Element or Mechanism 1027248 Supports 1012297 Chairs and Seats 1002307 Electrical Transmission or Interconnection Systems 985296 Land Vehicles: Bodies and Tops 970219 Electric Heating 968244 Aeronautics and Astronautics 967318 Electricity: Motive Power Systems 935D21 Games, Toys, and Sports Goods 932264 Plastic and Nonmetallic Article Shaping or Treating: Processes 931363 Electric Power Conversion Systems 92462 Refrigeration 919706 Data Processing: Artificial Intelligence 919343 Communications: Radio Wave Antennas 908D10 Measuring, Testing, or Signalling Instruments 861
473 Games Using Tangible Projectile 860D15 Machines Not Elsewhere Specified 852415 Rotary Kinetic Fluid Motors or Pumps 838378 X-Ray or Gamma Ray Systems or Devices 821136 Batteries: Thermoelectric and Photoelectric 813220 Receptacles 807180 Motor Vehicles 804323 Electricity: Power Supply or Regulation Systems 792426 Food or Edible Material: Processes, Compositions, and Products 767703 Data Processing: Structural Design, Modeling, Simulation, and Emulation 766423 Chemistry of Inorganic Compounds 765206 Special Receptacle or Package 752341 Coded Data Generation or Conversion 738D03 Travel Goods and Personal Belongings 724716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks72115 Brushing, Scrubbing, and General Cleaning 719128 Surgery 693204 Chemistry: Electrical and Wave Energy 689380 Cryptography 681342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation)670333 Wave Transmission Lines and Networks 664414 Material or Article Handling 641386 Motion Video Signal Processing for Recording or Reproducing 640416 Fluid Reaction Surfaces (i.e., Impellers) 634239 Fluid Sprinkling, Spraying, and Diffusing 628D16 Photography and Optical Equipment 623198 Conveyors: Power-Driven 619372 Coherent Light Generators 616525 Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series 602134 Cleaning and Liquid Contact with Solids 585530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof585D11 Jewelry, Symbolic Insignia, and Ornaments 581482 Exercise Devices 580417 Pumps 579222 Dispensing 577351 Optics: Eye Examining, Vision Testing and Correcting 573330 Amplifiers 565436 Chemistry: Analytical and Immunological Testing 548313 Electric Lamp and Discharge Devices 534D25 Building Units and Construction Elements 512475 Planetary Gear Transmission Systems or Components 506D32 Washing, Cleaning, or Drying Machine 5055 Beds 504355 Photocopying 502175 Boring or Penetrating the Earth 500425 Plastic Article or Earthenware Shaping or Treating: Apparatus 491719 Electrical Computers and Digital Processing Systems: Interprogram Communication or Interprocess Communication (Ipc)489384 Bearings 4872 Apparel 478188 Brakes 477568 Organic Compounds -- Part of the Class 532-570 Series 477165 Heat Exchange 473
84 Music 472367 Communications, Electrical: Acoustic Wave Systems and Devices 463451 Abrading 459312 Supports: Cabinet Structure 448506 Combinatorial Chemistry Technology: Method, Library, Apparatus 448546 Organic Compounds -- Part of the Class 532-570 Series 448526 Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series 447502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making444251 Valves and Valve Actuation 440200 Electricity: Circuit Makers and Breakers 439712 Electrical Computers and Digital Processing Systems: Processing Architectures and Instruction Processing (e.g., Processors)436536 Organic Compounds -- Part of the Class 532-570 Series 433106 Compositions: Coating or Plastic 432353 Optics: Image Projectors 429271 Sheet Feeding or Delivering 428290 Prime-Mover Dynamo Plants 428405 Hydraulic and Earth Engineering 411544 Organic Compounds -- Part of the Class 532-570 Series 411528 Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series 401326 Electronic Digital Logic Circuitry 399205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions397224 Package and Article Carriers 397192 Clutches and Power-Stop Control 396216 Etching a Substrate: Processes 388585 Chemistry of Hydrocarbon Compounds 38442 Firearms 383119 Animal Husbandry 383D22 Arms, Pyrotechnics, Hunting and Fishing Equipment 381114 Ships 363548 Organic Compounds -- Part of the Class 532-570 Series 35972 Metal Deforming 354369 Dynamic Information Storage or Retrieval 353118 Coating Apparatus 352549 Organic Compounds -- Part of the Class 532-570 Series 352433 Dentistry 351152 Resilient Tires and Wheels 34924 Buckles, Buttons, Clasps, Etc. 340708 Electrical Computers: Arithmetic Processing and Calculating 333148 Metal Treatment 332331 Oscillators 3304 Baths, Closets, Sinks, and Spittoons 329211 Supports: Racks 32853 Package Making 325434 Education and Demonstration 324403 Joints and Connections 323504 Plant Protecting and Regulating Compositions 317523 Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series 31195 Gas Separation: Processes 310101 Printing 31099 Foods and Beverages: Apparatus 309D28 Cosmetic Products and Toilet Articles 30849 Movable or Removable Closures 300
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions29736 Boots, Shoes, and Leggings 295242 Winding, Tensioning, or Guiding 295141 Fluent Material Handling, with Receiver or Receiver Coacting Means 292411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener28616 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.)28433 Geometrical Instruments 28381 Tools 28083 Cutting 279285 Pipe Joints or Couplings 278126 Stoves and Furnaces 277477 Interrelated Power Delivery Controls, Including Engine Control 275138 Pipes and Tubular Conduits 274336 Inductor Devices 273277 Seal for a Joint or Juncture 26889 Ordnance 266208 Mineral Oils: Processes and Products 265368 Horology: Time Measuring Systems or Devices 259521 Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series 25555 Gas Separation 254D19 Office Supplies; Artists' and Teachers' Materials 252241 Solid Material Comminution or Disintegration 249294 Handling: Hand and Hoist-Line Implements 249160 Flexible or Portable Closure, Partition, or Panel 245209 Classifying, Separating, and Assorting Solids 24430 Cutlery 242418 Rotary Expansible Chamber Devices 241562 Organic Compounds -- Part of the Class 532-570 Series 239181 Acoustics 23665 Glass Manufacturing 234335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets23440 Card, Picture, or Sign Exhibiting 232474 Endless Belt Power Transmission Systems or Components 232162 Paper Making and Fiber Liberation 231227 Elongated-Member-Driving Apparatus 229374 Thermal Measuring and Testing 22934 Drying and Gas or Vapor Contact with Solids 227396 Photography 226132 Toilet 224508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions22343 Fishing, Trapping, and Vermin Destroying 22296 Gas Separation: Apparatus 222D30 Animal Husbandry 220D29 Equipment for Safety, Protection, and Rescue 219446 Amusement Devices: Toys 217601 Surgery: Kinesitherapy 215366 Agitating 213102 Ammunition and Explosives 212292 Closure Fasteners 21075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures206560 Organic Compounds -- Part of the Class 532-570 Series 204D34 Material or Article Handling Equipment 203
401 Coating Implements with Material Supply 19847 Plant Husbandry 19670 Locks 195404 Road Structure, Process, or Apparatus 194267 Spring Devices 189131 Tobacco 188124 Mechanical Guns and Projectors 18544 Fuel and Related Compositions 18356 Harvesters 182228 Metal Fusion Bonding 181454 Ventilation 181182 Fire Escape, Ladder, or Scaffold 179564 Organic Compounds -- Part of the Class 532-570 Series 177108 Horizontally Supported Planar Surfaces 175269 Work Holders 169D18 Printing and Office Machinery 168173 Tool Driving or Impacting 167376 Induced Nuclear Reactions: Processes, Systems, and Elements 167164 Metal Founding 165501 Compositions: Ceramic 165229 Envelopes, Wrappers, and Paperboard Boxes 162431 Combustion 162556 Organic Compounds -- Part of the Class 532-570 Series 162602 Surgery: Splint, Brace, or Bandage 160303 Fluid-Pressure and Analogous Brake Systems 157187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 156135 Tent, Canopy, Umbrella, or Cane 1508 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers149507 Earth Boring, Well Treating, and Oil Field Chemistry 148215 Bottles and Jars 145D27 Tobacco and Smokers' Supplies 145254 Implements or Apparatus for Applying Pushing or Pulling Force 143408 Cutting by Use of Rotating Axially Moving Tool 142221 Article Dispensing 139261 Gas and Liquid Contact Apparatus 138440 Marine Propulsion 138522 Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series 13848 Gas: Heating and Illuminating 13468 Textiles: Fluid Treating Apparatus 134400 Typewriting Machines 13292 Expansible Chamber Devices 13037 Excavating 128117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor128420 Alloys or Metallic Compositions 125442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 122273 Amusement Devices: Games 11951 Abrasive Tool Making Process, Material, or Composition 118169 Fire Extinguishers 117493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web117D04 Brushware 117301 Land Vehicles: Wheels and Axles 116554 Organic Compounds -- Part of the Class 532-570 Series 116
299 Mining or In Situ Disintegration of Hard Material 115407 Cutters, for Shaping 115409 Gear Cutting, Milling, or Planing 111441 Buoys, Rafts, and Aquatic Devices 111518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof110540 Organic Compounds -- Part of the Class 532-570 Series 110505 Superconductor Technology: Apparatus, Material, Process 109464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts106570 Organic Compounds -- Part of the Class 532-570 Series 104383 Flexible Bags 101100 Presses 99116 Signals and Indicators 96558 Organic Compounds -- Part of the Class 532-570 Series 96172 Earth Working 95445 Electric Lamp or Space Discharge Component or Device Manufacturing 9571 Chemistry: Fertilizers 93218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 93D20 Sales and Advertising Equipment 92266 Metallurgical Apparatus 90392 Electric Resistance Heating Devices 88105 Railway Rolling Stock 85293 Vehicle Fenders 85112 Sewing 84410 Freight Accommodation On Freight Carrier 84452 Butchering 83184 Lubrication 82D01 Edible Products 79236 Automatic Temperature and Humidity Regulation 77472 Amusement Devices 75111 Planting 74246 Railway Switches and Signals 74419 Powder Metallurgy Processes 74279 Chucks or Sockets 72432 Heating 71104 Railways 70D05 Textile or Paper Yard Goods; Sheet Material 70203 Distillation: Processes, Separatory 69177 Weighing Scales 67D99 Miscellaneous 63270 Sheet-Material Associating 61D17 Musical Instruments 61194 Check-Actuated Control Mechanisms 60377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems60212 Traversing Hoists 59494 Imperforate Bowl: Centrifugal Separators 59256 Fences 58588 Hazardous or Toxic Waste Destruction or Containment 58720 Dynamic Optical Information Storage or Retrieval 56110 Furnaces 55850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm]5591 Motors: Expansible Chamber Type 54122 Liquid Heaters and Vaporizers 54
406 Conveyors: Fluid Current 54223 Apparel Apparatus 5182 Turning 50322 Electricity: Single Generator Systems 47460 Crop Threshing or Separating 4663 Jewelry 44337 Electricity: Electrothermally or Thermally Actuated Switches 44338 Electrical Resistors 44127 Sugar, Starch, and Carbohydrates 43201 Distillation: Processes, Thermolytic 43305 Wheel Substitutes for Land Vehicles 40226 Advancing Material of Indeterminate Length 39450 Foundation Garments 397 Compound Tools 38125 Stone Working 3727 Undertaking 36191 Electricity: Transmission To Vehicles 36283 Printed Matter 36193 Conveyors, Chutes, Skids, Guides, and Ways 35238 Railways: Surface Track 3514 Bridges 34139 Textiles: Weaving 34144 Woodworking 34202 Distillation: Apparatus 34149 Explosive and Thermic Compositions or Charges 32249 Static Molds 32150 Purses, Wallets, and Protective Covers 31225 Severing by Tearing or Breaking 3157 Textiles: Spinning, Twisting, and Twining 2959 Chain, Staple, and Horseshoe Making 2966 Textiles: Knitting 29157 Wheelwright Machines 29190 Trunks and Hand-Carried Luggage 29412 Bookbinding: Process and Apparatus 28140 Wireworking 27453 Coin Handling 27503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor26516 Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes Of26534 Organic Compounds -- Part of the Class 532-570 Series 26332 Modulators 2512 Boot and Shoe Making 2428 Textiles: Manufacturing 24237 Heating Systems 2386 Ammunition and Explosive-Charge Making 22552 Organic Compounds -- Part of the Class 532-570 Series 22483 Tool Changing 21109 Safes, Bank Protection, or a Related Device 20298 Land Vehicles: Dumping 20492 Roll or Roller 2038 Textiles: Ironing or Smoothing 18213 Railway Draft Appliances 18512 Perfume Compositions 18
19 Textiles: Fiber Preparation 17476 Friction Gear Transmission Systems or Components 17178 Telegraphy 16373 Industrial Electric Heating Furnaces 16232 Deposit and Collection Receptacles 1523 Chemistry: Physical Processes 13159 Concentrating Evaporators 12289 Knots and Knot Tying 12402 Binder Device Releasably Engaging Aperture or Notch of Sheet 12281 Books, Strips, and Leaves 1176 Metal Tools and Implements, Making 1087 Textiles: Braiding, Netting, and Lace Making 10329 Demodulators 1054 Harness for Working Animal 8352 Optics: Motion Pictures 8413 Sheet Metal Container Making 7527 Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series 7300 Brush, Broom, and Mop Making 6470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 6168 Farriery 4185 Motors: Spring, Weight, or Animal Powered 4186 Merchandising 4295 Railway Wheels and Axles 4334 Tuners 4449 Bee Culture 4260 Chemistry of Carbon Compounds 3346 Recorders 3171 Unearthing Plants or Buried Objects 2196 Mineral Oils: Apparatus 2217 Wooden Receptacles 2388 Electricity: Motor Control Systems 226 Textiles: Cloth Finishing 1142 Wood Turning 1234 Selective Cutting (e.g., Punching) 1258 Railway Mail Delivery 1291 Track Sanders 1462 Books, Strips, and Leaves for Manifolding 1520 Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series 1532 Organic Compounds -- Part of the Class 532-570 Series 169 Leather Manufactures 079 Button Making 0147 Coopering 0163 Needle and Pin Making 0199 Type Casting 0231 Whips and Whip Apparatus 0245 Wire Fabrics and Structure 0276 Typesetting 0278 Land Vehicles: Animal Draft Appliances 0314 Electric Lamp and Discharge Devices: Consumable Electrodes 0
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