U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
435 | Chemistry: Molecular Biology and Microbiology | 315 | 530 | 781 | 808 | 699 | 3133 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 334 | 541 | 706 | 694 | 661 | 2936 |
128 | Surgery (includes Class 600) | 257 | 265 | 424 | 417 | 454 | 1817 |
438 | Semiconductor Device Manufacturing: Process | 154 | 225 | 287 | 466 | 665 | 1797 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 251 | 247 | 400 | 384 | 421 | 1703 |
606 | Surgery (instruments) | 183 | 225 | 323 | 415 | 453 | 1599 |
257 | Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) | 207 | 212 | 313 | 362 | 352 | 1446 |
707 | DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) | 132 | 144 | 342 | 391 | 319 | 1328 |
365 | Static Information Storage and Retrieval | 189 | 187 | 276 | 315 | 352 | 1319 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 93 | 85 | 285 | 296 | 345 | 1104 |
604 | Surgery (Medicators and Receptors) | 208 | 163 | 260 | 254 | 210 | 1095 |
532 | Organic Compounds (includes Classes 532-570) | 152 | 182 | 256 | 237 | 233 | 1060 |
710 | Input/Output (Electrical Computers and Digital Processing Systems) | 141 | 171 | 257 | 240 | 235 | 1044 |
360 | Dynamic Magnetic Information Storage or Retrieval | 141 | 160 | 245 | 221 | 248 | 1015 |
370 | Multiplex Communications | 143 | 124 | 162 | 232 | 329 | 990 |
711 | Memory (Electrical Computers and Digital Processing Systems) | 112 | 138 | 200 | 218 | 225 | 893 |
359 | Optics: Systems (Including Communication) and Elements | 130 | 124 | 190 | 222 | 223 | 889 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 135 | 105 | 180 | 199 | 228 | 847 |
714 | Error Detection/Correction and Fault Detection/Recovery | 113 | 130 | 198 | 193 | 192 | 826 |
361 | Electricity: Electrical Systems and Devices | 129 | 122 | 191 | 181 | 163 | 786 |
375 | Pulse or Digital Communications | 111 | 119 | 166 | 186 | 201 | 783 |
250 | Radiant Energy | 153 | 137 | 176 | 139 | 153 | 758 |
428 | Stock Material or Miscellaneous Articles | 117 | 123 | 172 | 158 | 156 | 726 |
326 | Electronic Digital Logic Circuitry | 121 | 111 | 110 | 144 | 197 | 683 |
382 | Image Analysis | 56 | 105 | 186 | 164 | 159 | 670 |
324 | Electricity: Measuring and Testing | 152 | 124 | 107 | 105 | 142 | 630 |
712 | Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) | 70 | 86 | 162 | 181 | 126 | 625 |
073 | Measuring and Testing | 108 | 112 | 142 | 137 | 120 | 619 |
340 | Communications: Electrical | 105 | 100 | 127 | 136 | 147 | 615 |
713 | Support (Electrical Computers and Digital Processing Systems) | 66 | 89 | 139 | 157 | 159 | 610 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 62 | 118 | 162 | 118 | 120 | 580 |
455 | Telecommunications | 69 | 59 | 120 | 158 | 173 | 579 |
356 | Optics: Measuring and Testing | 82 | 100 | 133 | 120 | 141 | 576 |
439 | Electrical Connectors | 78 | 92 | 101 | 119 | 184 | 574 |
348 | Television | 85 | 65 | 116 | 124 | 146 | 536 |
379 | Telephonic Communications | 94 | 70 | 106 | 145 | 104 | 519 |
473 | Games Using Tangible Projectile | 87 | 96 | 141 | 108 | 85 | 517 |
029 | Metal Working | 78 | 100 | 113 | 104 | 121 | 516 |
342 | Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) | 92 | 80 | 102 | 100 | 108 | 482 |
204 | Chemistry: Electrical and Wave Energy | 70 | 64 | 74 | 117 | 130 | 455 |
372 | Coherent Light Generators | 55 | 73 | 115 | 108 | 101 | 452 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 74 | 90 | 108 | 90 | 83 | 445 |
385 | Optical Waveguides | 58 | 78 | 106 | 94 | 100 | 436 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 57 | 73 | 93 | 111 | 101 | 435 |
717 | DP: Software Development, Installation, and Management (Data Processing) | 34 | 36 | 99 | 139 | 121 | 429 |
052 | Static Structures (e.g., Buildings) | 67 | 75 | 100 | 87 | 96 | 425 |
210 | Liquid Purification or Separation | 62 | 72 | 77 | 94 | 118 | 423 |
716 | DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) | 73 | 77 | 93 | 84 | 93 | 420 |
280 | Land Vehicles | 83 | 45 | 85 | 91 | 113 | 417 |
427 | Coating Processes | 49 | 57 | 97 | 107 | 96 | 406 |
206 | Special Receptacle or Package | 69 | 68 | 89 | 97 | 80 | 403 |
248 | Supports (e.g., for holding articles, etc.) | 58 | 63 | 93 | 96 | 88 | 398 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 50 | 61 | 78 | 100 | 104 | 393 |
607 | Surgery: Light, Thermal, and Electrical Application | 68 | 58 | 86 | 69 | 94 | 375 |
362 | Illumination | 64 | 71 | 86 | 69 | 84 | 374 |
244 | Aeronautics | 44 | 50 | 86 | 86 | 103 | 369 |
623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 43 | 55 | 88 | 72 | 109 | 367 |
347 | Incremental Printing of Symbolic Information | 52 | 79 | 72 | 82 | 79 | 364 |
137 | Fluid Handling | 49 | 57 | 84 | 80 | 88 | 358 |
358 | Facsimile and Static Presentation Processing | 63 | 68 | 77 | 71 | 75 | 354 |
002 | Apparel | 43 | 54 | 78 | 82 | 85 | 342 |
118 | Coating Apparatus | 40 | 42 | 51 | 80 | 128 | 341 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 15 | 32 | 73 | 106 | 108 | 334 |
341 | Coded Data Generation or Conversion | 42 | 67 | 79 | 75 | 66 | 329 |
343 | Communications: Radio Wave Antennas | 48 | 56 | 51 | 76 | 89 | 320 |
708 | Arithmetic Processing and Calculating (Electrical Computers) | 44 | 38 | 92 | 73 | 68 | 315 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 44 | 42 | 84 | 68 | 67 | 305 |
219 | Electric Heating | 44 | 34 | 74 | 69 | 74 | 295 |
222 | Dispensing (apparatus and process) | 48 | 42 | 50 | 78 | 72 | 290 |
704 | DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) | 21 | 52 | 81 | 72 | 62 | 288 |
430 | Radiation Imagery Chemistry: Process, Composition, or Product Thereof | 43 | 45 | 48 | 65 | 82 | 283 |
330 | Amplifiers | 53 | 35 | 45 | 65 | 84 | 282 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 43 | 53 | 64 | 47 | 72 | 279 |
703 | DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) | 27 | 56 | 57 | 71 | 61 | 272 |
451 | Abrading | 24 | 35 | 46 | 69 | 93 | 267 |
433 | Dentistry | 44 | 45 | 73 | 49 | 54 | 265 |
700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 38 | 37 | 80 | 61 | 48 | 264 |
436 | Chemistry: Analytical and Immunological Testing | 47 | 41 | 53 | 57 | 61 | 259 |
482 | Exercise Devices | 31 | 46 | 61 | 61 | 51 | 250 |
084 | Music | 49 | 36 | 38 | 52 | 63 | 238 |
381 | Electrical Audio Signal Processing Systems and Devices | 27 | 45 | 61 | 56 | 49 | 238 |
062 | Refrigeration | 35 | 60 | 40 | 54 | 44 | 233 |
134 | Cleaning and Liquid Contact with Solids | 30 | 25 | 40 | 70 | 68 | 233 |
273 | Amusement Devices: Games | 33 | 57 | 65 | 46 | 31 | 232 |
318 | Electricity: Motive Power Systems | 38 | 29 | 52 | 48 | 61 | 228 |
315 | Electric Lamp and Discharge Devices: Systems | 43 | 32 | 45 | 50 | 56 | 226 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 24 | 41 | 62 | 56 | 42 | 225 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 31 | 39 | 42 | 59 | 54 | 225 |
701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 30 | 25 | 35 | 66 | 68 | 224 |
369 | Dynamic Information Storage or Retrieval | 44 | 39 | 33 | 46 | 60 | 222 |
015 | Brushing, Scrubbing, and General Cleaning | 36 | 33 | 42 | 58 | 51 | 220 |
310 | Electrical Generator or Motor Structure | 36 | 28 | 35 | 49 | 70 | 218 |
323 | Electricity: Power Supply or Regulation Systems | 35 | 39 | 43 | 42 | 54 | 213 |
060 | Power Plants | 27 | 30 | 46 | 58 | 51 | 212 |
426 | Food or Edible Material: Processes, Compositions, and Products | 35 | 37 | 31 | 44 | 64 | 211 |
224 | Package and Article Carriers | 45 | 40 | 43 | 44 | 37 | 209 |
333 | Wave Transmission Lines and Networks | 33 | 37 | 43 | 42 | 51 | 206 |
004 | Baths, Closets, Sinks, and Spittoons | 24 | 39 | 41 | 54 | 43 | 201 |
414 | Material or Article Handling | 43 | 25 | 24 | 54 | 53 | 199 |
417 | Pumps | 38 | 37 | 28 | 41 | 55 | 199 |
446 | Amusement Devices: Toys | 30 | 19 | 34 | 45 | 71 | 199 |
216 | Etching a Substrate: Processes | 24 | 27 | 32 | 52 | 53 | 188 |
297 | Chairs and Seats | 34 | 23 | 34 | 39 | 56 | 186 |
429 | Chemistry: Electrical Current Producing Apparatus, Product, and Process | 50 | 41 | 30 | 28 | 37 | 186 |
725 | Interactive Video Distribution Systems | 28 | 17 | 46 | 59 | 34 | 184 |
005 | Beds | 32 | 36 | 38 | 41 | 36 | 183 |
235 | Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) | 35 | 26 | 28 | 42 | 46 | 177 |
434 | Education and Demonstration | 15 | 25 | 37 | 49 | 50 | 176 |
119 | Animal Husbandry | 33 | 25 | 47 | 39 | 31 | 175 |
331 | Oscillators | 24 | 29 | 34 | 27 | 55 | 169 |
220 | Receptacles | 31 | 31 | 30 | 39 | 35 | 166 |
363 | Electric Power Conversion Systems | 23 | 34 | 32 | 40 | 36 | 165 |
174 | Electricity: Conductors and Insulators | 31 | 24 | 36 | 26 | 41 | 158 |
123 | Internal-Combustion Engines | 35 | 28 | 33 | 23 | 38 | 157 |
132 | Toilet | 14 | 15 | 41 | 47 | 36 | 153 |
351 | Optics: Eye Examining, Vision Testing and Correcting | 18 | 18 | 29 | 40 | 46 | 151 |
376 | Induced Nuclear Reactions: Processes, Systems, and Elements | 44 | 35 | 31 | 21 | 12 | 143 |
378 | X-Ray or Gamma Ray Systems or Devices | 23 | 24 | 37 | 22 | 36 | 142 |
074 | Machine Element or Mechanism | 21 | 21 | 33 | 31 | 32 | 138 |
307 | Electrical Transmission or Interconnection Systems | 21 | 32 | 23 | 32 | 30 | 138 |
313 | Electric Lamp and Discharge Devices | 26 | 18 | 33 | 29 | 32 | 138 |
099 | Foods and Beverages: Apparatus | 28 | 37 | 24 | 24 | 24 | 137 |
320 | Electricity: Battery or Capacitor Charging or Discharging | 18 | 34 | 23 | 23 | 39 | 137 |
423 | Chemistry of Inorganic Compounds | 33 | 19 | 23 | 33 | 27 | 135 |
380 | Cryptography | 23 | 23 | 33 | 17 | 31 | 127 |
070 | Locks | 20 | 21 | 32 | 31 | 21 | 125 |
294 | Handling: Hand and Hoist-Line Implements | 22 | 18 | 31 | 22 | 32 | 125 |
036 | Boots, Shoes, and Leggings | 16 | 23 | 24 | 31 | 30 | 124 |
114 | Ships | 29 | 17 | 23 | 24 | 30 | 123 |
252 | Compositions | 21 | 20 | 31 | 27 | 23 | 122 |
296 | Land Vehicles: Bodies and Tops | 19 | 18 | 26 | 26 | 32 | 121 |
349 | Liquid Crystal Cells, Elements and Systems | 34 | 16 | 27 | 22 | 22 | 121 |
040 | Card, Picture, or Sign Exhibiting | 25 | 19 | 29 | 26 | 21 | 120 |
081 | Tools | 21 | 18 | 27 | 24 | 28 | 118 |
211 | Supports: Racks | 19 | 22 | 26 | 28 | 23 | 118 |
205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 17 | 16 | 18 | 32 | 32 | 115 |
033 | Geometrical Instruments | 25 | 16 | 24 | 26 | 23 | 114 |
242 | Winding, Tensioning, or Guiding | 21 | 20 | 18 | 33 | 22 | 114 |
405 | Hydraulic and Earth Engineering | 30 | 19 | 20 | 26 | 18 | 113 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 21 | 25 | 23 | 21 | 22 | 112 |
312 | Supports: Cabinet Structure | 22 | 16 | 25 | 28 | 21 | 112 |
228 | Metal Fusion Bonding | 21 | 22 | 16 | 28 | 24 | 111 |
030 | Cutlery | 21 | 19 | 25 | 23 | 21 | 109 |
602 | Surgery: Splint, Brace, or Bandage | 10 | 17 | 36 | 23 | 23 | 109 |
411 | Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener | 23 | 24 | 20 | 17 | 22 | 106 |
463 | Amusement Devices: Games | 13 | 16 | 28 | 23 | 26 | 106 |
367 | Communications, Electrical: Acoustic Wave Systems and Devices | 17 | 23 | 23 | 20 | 22 | 105 |
504 | Plant Protecting and Regulating Compositions | 16 | 35 | 15 | 20 | 15 | 101 |
251 | Valves and Valve Actuation | 14 | 10 | 22 | 21 | 32 | 99 |
285 | Pipe Joints or Couplings | 19 | 11 | 24 | 23 | 19 | 96 |
043 | Fishing, Trapping, and Vermin Destroying | 19 | 14 | 8 | 27 | 26 | 94 |
510 | Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions | 13 | 10 | 29 | 18 | 24 | 94 |
160 | Flexible or Portable Closure, Partition, or Panel | 15 | 14 | 18 | 14 | 32 | 93 |
165 | Heat Exchange | 15 | 15 | 18 | 20 | 24 | 92 |
292 | Closure Fasteners | 27 | 20 | 21 | 13 | 11 | 92 |
047 | Plant Husbandry | 11 | 14 | 23 | 23 | 19 | 90 |
180 | Motor Vehicles | 13 | 6 | 24 | 26 | 19 | 88 |
441 | Buoys, Rafts, and Aquatic Devices | 16 | 10 | 22 | 22 | 18 | 88 |
706 | DP: Artificial Intelligence (Data Processing) | 15 | 20 | 30 | 12 | 10 | 87 |
106 | Compositions: Coating or Plastic | 13 | 17 | 16 | 20 | 20 | 86 |
386 | Television Signal Processing for Dynamic Recording or Reproducing | 14 | 11 | 13 | 19 | 29 | 86 |
148 | Metal Treatment | 14 | 13 | 21 | 17 | 17 | 82 |
396 | Photography | 22 | 16 | 24 | 10 | 10 | 82 |
135 | Tent, Canopy, Umbrella, or Cane | 12 | 16 | 16 | 16 | 21 | 81 |
374 | Thermal Measuring and Testing | 2 | 15 | 24 | 15 | 25 | 81 |
024 | Buckles, Buttons, Clasps, Etc. | 12 | 15 | 19 | 24 | 10 | 80 |
400 | Typewriting Machines | 10 | 13 | 18 | 19 | 20 | 80 |
366 | Agitating (e.g., of articles and materials) | 18 | 13 | 11 | 19 | 18 | 79 |
215 | Bottles and Jars | 9 | 15 | 11 | 27 | 15 | 77 |
034 | Drying and Gas or Vapor Contact with Solids | 11 | 11 | 11 | 20 | 23 | 76 |
053 | Package Making | 14 | 14 | 18 | 21 | 9 | 76 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 13 | 17 | 20 | 6 | 20 | 76 |
601 | Surgery: Kinesitherapy | 6 | 11 | 25 | 17 | 17 | 76 |
181 | Acoustics | 9 | 23 | 14 | 15 | 14 | 75 |
221 | Article Dispensing | 9 | 12 | 16 | 24 | 13 | 74 |
208 | Mineral Oils: Processes and Products | 12 | 23 | 12 | 14 | 11 | 72 |
431 | Combustion | 9 | 3 | 8 | 16 | 34 | 70 |
229 | Envelopes, Wrappers, and Paperboard Boxes | 11 | 11 | 15 | 17 | 15 | 69 |
166 | Wells (shafts or deep borings in the earth, e.g., for oil and gas) | 14 | 7 | 21 | 15 | 10 | 67 |
095 | Gas Separation: Processes | 11 | 13 | 17 | 11 | 14 | 66 |
384 | Bearings | 15 | 14 | 9 | 19 | 9 | 66 |
198 | Conveyors: Power-Driven | 16 | 12 | 10 | 16 | 11 | 65 |
392 | Electric Resistance Heating Devices | 7 | 4 | 16 | 15 | 23 | 65 |
044 | Fuel and Related Compositions | 10 | 13 | 21 | 7 | 13 | 64 |
108 | Horizontally Supported Planar Surfaces | 7 | 8 | 10 | 17 | 22 | 64 |
126 | Stoves and Furnaces | 13 | 5 | 12 | 17 | 16 | 63 |
101 | Printing | 5 | 4 | 27 | 13 | 13 | 62 |
136 | Batteries: Thermoelectric and Photoelectric | 14 | 6 | 9 | 12 | 21 | 62 |
188 | Brakes | 9 | 6 | 17 | 19 | 11 | 62 |
403 | Joints and Connections | 12 | 17 | 12 | 8 | 13 | 62 |
016 | Miscellaneous Hardware | 6 | 13 | 12 | 19 | 11 | 61 |
223 | Apparel Apparatus | 13 | 13 | 7 | 13 | 14 | 60 |
283 | Printed Matter | 9 | 10 | 16 | 12 | 13 | 60 |
404 | Road Structure, Process, or Apparatus | 18 | 7 | 11 | 11 | 11 | 58 |
089 | Ordnance | 8 | 9 | 16 | 16 | 8 | 57 |
445 | Electric Lamp or Space Discharge Component or Device Manufacturing | 3 | 9 | 10 | 17 | 18 | 57 |
271 | Sheet Feeding or Delivering | 15 | 7 | 10 | 11 | 13 | 56 |
368 | Horology: Time Measuring Systems or Devices | 7 | 10 | 14 | 14 | 11 | 56 |
200 | Electricity: Circuit Makers and Breakers | 12 | 7 | 13 | 11 | 12 | 55 |
353 | Optics: Image Projectors | 13 | 13 | 11 | 11 | 7 | 55 |
042 | Firearms | 12 | 10 | 10 | 11 | 11 | 54 |
241 | Solid Material Comminution or Disintegration | 13 | 10 | 11 | 10 | 10 | 54 |
269 | Work Holders | 11 | 7 | 12 | 10 | 14 | 54 |
505 | Superconductor Technology: Apparatus, Material, Process | 12 | 12 | 6 | 16 | 8 | 54 |
102 | Ammunition and Explosives | 13 | 6 | 11 | 14 | 9 | 53 |
408 | Cutting by Use of Rotating Axially Moving Tool | 5 | 10 | 14 | 15 | 9 | 53 |
401 | Coating Implements with Material Supply | 10 | 4 | 6 | 12 | 20 | 52 |
049 | Movable or Removable Closures | 12 | 6 | 13 | 13 | 7 | 51 |
415 | Rotary Kinetic Fluid Motors or Pumps | 15 | 11 | 10 | 6 | 9 | 51 |
281 | Books, Strips, and Leaves | 8 | 10 | 8 | 13 | 9 | 48 |
072 | Metal Deforming | 15 | 5 | 9 | 13 | 5 | 47 |
472 | Amusement Devices | 9 | 8 | 9 | 7 | 14 | 47 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 9 | 9 | 7 | 9 | 12 | 46 |
138 | Pipes and Tubular Conduits | 1 | 4 | 14 | 14 | 13 | 46 |
277 | Seal for a Joint or Juncture | 8 | 6 | 6 | 10 | 16 | 46 |
399 | Electrophotography | 11 | 6 | 6 | 15 | 7 | 45 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 6 | 6 | 12 | 11 | 10 | 45 |
209 | Classifying, Separating, and Assorting Solids | 7 | 10 | 11 | 8 | 7 | 43 |
335 | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets | 6 | 10 | 5 | 11 | 11 | 43 |
182 | Fire Escape, Ladder, or Scaffold | 9 | 4 | 10 | 10 | 9 | 42 |
083 | Cutting | 10 | 6 | 6 | 11 | 8 | 41 |
117 | Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor | 5 | 6 | 11 | 8 | 11 | 41 |
254 | Implements or Apparatus for Applying Pushing or Pulling Force | 3 | 7 | 4 | 11 | 16 | 41 |
454 | Ventilation | 6 | 4 | 7 | 7 | 16 | 40 |
585 | Chemistry of Hydrocarbon Compounds | 4 | 3 | 11 | 9 | 13 | 40 |
116 | Signals and Indicators | 11 | 7 | 5 | 9 | 7 | 39 |
124 | Mechanical Guns and Projectors | 8 | 12 | 4 | 7 | 8 | 39 |
352 | Optics: Motion Pictures | 11 | 9 | 10 | 5 | 4 | 39 |
355 | Photocopying | 3 | 10 | 3 | 10 | 13 | 39 |
508 | Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions | 2 | 4 | 14 | 14 | 5 | 39 |
096 | Gas Separation: Apparatus | 11 | 8 | 6 | 5 | 8 | 38 |
056 | Harvesters | 8 | 6 | 9 | 8 | 6 | 37 |
175 | Boring or Penetrating the Earth | 9 | 4 | 7 | 8 | 9 | 37 |
402 | Binder Device Releasably Engaging Aperture or Notch of Sheet | 5 | 4 | 8 | 7 | 13 | 37 |
338 | Electrical Resistors | 3 | 6 | 15 | 7 | 5 | 36 |
440 | Marine Propulsion | 9 | 5 | 7 | 8 | 7 | 36 |
442 | Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) | 6 | 9 | 4 | 10 | 7 | 36 |
383 | Flexible Bags | 4 | 5 | 4 | 10 | 12 | 35 |
301 | Land Vehicles: Wheels and Axles | 10 | 4 | 8 | 3 | 9 | 34 |
008 | Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers | 5 | 6 | 8 | 9 | 5 | 33 |
377 | Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems | 7 | 3 | 3 | 8 | 12 | 33 |
410 | Freight Accommodation On Freight Carrier | 4 | 8 | 6 | 9 | 6 | 33 |
416 | Fluid Reaction Surfaces (i.e., Impellers) | 10 | 4 | 2 | 7 | 10 | 33 |
169 | Fire Extinguishers | 3 | 4 | 5 | 9 | 10 | 31 |
164 | Metal Founding | 6 | 8 | 5 | 7 | 4 | 30 |
267 | Spring Devices | 5 | 6 | 2 | 7 | 10 | 30 |
336 | Inductor Devices | 6 | 6 | 8 | 8 | 2 | 30 |
475 | Planetary Gear Transmission Systems or Components | 4 | 6 | 9 | 6 | 5 | 30 |
227 | Elongated-Member-Driving Apparatus | 7 | 6 | 9 | 4 | 2 | 28 |
493 | Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web | 3 | 4 | 8 | 6 | 7 | 28 |
100 | Presses | 5 | 6 | 6 | 4 | 6 | 27 |
494 | Imperforate Bowl: Centrifugal Separators | 7 | 4 | 5 | 7 | 4 | 27 |
588 | Hazardous or Toxic Waste Destruction or Containment | 8 | 3 | 4 | 7 | 5 | 27 |
055 | Gas Separation | 2 | 2 | 7 | 11 | 4 | 26 |
332 | Modulators | 6 | 6 | 4 | 6 | 4 | 26 |
065 | Glass Manufacturing | 5 | 4 | 5 | 4 | 7 | 25 |
149 | Explosive and Thermic Compositions or Charges | 4 | 6 | 6 | 3 | 6 | 25 |
178 | Telegraphy | 6 | 4 | 5 | 8 | 2 | 25 |
261 | Gas and Liquid Contact Apparatus | 5 | 4 | 4 | 4 | 8 | 25 |
007 | Compound Hand Tools | 3 | 4 | 4 | 7 | 6 | 24 |
474 | Endless Belt Power Transmission Systems or Components | 5 | 5 | 4 | 0 | 10 | 24 |
104 | Railways | 6 | 7 | 5 | 4 | 1 | 23 |
152 | Resilient Tires and Wheels | 3 | 7 | 3 | 5 | 5 | 23 |
192 | Clutches and Power-Stop Control | 6 | 3 | 4 | 5 | 5 | 23 |
063 | Jewelry | 5 | 1 | 6 | 5 | 5 | 22 |
125 | Stone Working | 8 | 6 | 2 | 4 | 2 | 22 |
131 | Tobacco | 1 | 3 | 8 | 2 | 8 | 22 |
172 | Earth Working | 2 | 6 | 3 | 5 | 6 | 22 |
190 | Trunks and Hand-Carried Luggage | 4 | 3 | 1 | 5 | 8 | 21 |
071 | Chemistry: Fertilizers | 6 | 2 | 5 | 4 | 3 | 20 |
187 | Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle | 7 | 2 | 4 | 4 | 3 | 20 |
001 | ** Classification Undetermined ** | 0 | 1 | 2 | 12 | 4 | 19 |
092 | Expansible Chamber Devices | 0 | 5 | 7 | 3 | 4 | 19 |
184 | Lubrication | 4 | 3 | 5 | 1 | 6 | 19 |
256 | Fences | 3 | 5 | 2 | 3 | 6 | 19 |
279 | Chucks or Sockets | 4 | 2 | 4 | 7 | 2 | 19 |
409 | Gear Cutting, Milling, or Planing | 5 | 3 | 4 | 3 | 4 | 19 |
501 | Compositions: Ceramic | 3 | 4 | 6 | 6 | 0 | 19 |
150 | Purses, Wallets, and Protective Covers | 4 | 2 | 3 | 5 | 4 | 18 |
418 | Rotary Expansible Chamber Devices | 5 | 3 | 3 | 4 | 3 | 18 |
432 | Heating | 2 | 3 | 3 | 6 | 4 | 18 |
290 | Prime-Mover Dynamo Plants | 2 | 0 | 2 | 2 | 11 | 17 |
419 | Powder Metallurgy Processes | 2 | 5 | 6 | 2 | 2 | 17 |
450 | Foundation Garments | 1 | 1 | 3 | 5 | 7 | 17 |
225 | Severing by Tearing or Breaking | 4 | 3 | 5 | 3 | 1 | 16 |
249 | Static Molds | 2 | 5 | 5 | 3 | 1 | 16 |
112 | Sewing | 2 | 3 | 0 | 8 | 2 | 15 |
140 | Wireworking | 3 | 3 | 2 | 3 | 4 | 15 |
162 | Paper Making and Fiber Liberation | 2 | 1 | 2 | 5 | 5 | 15 |
203 | Distillation: Processes, Separatory | 3 | 2 | 6 | 2 | 2 | 15 |
337 | Electricity: Electrothermally or Thermally Actuated Switches | 0 | 5 | 2 | 5 | 3 | 15 |
109 | Safes, Bank Protection, or a Related Device | 1 | 4 | 3 | 4 | 2 | 14 |
110 | Furnaces | 4 | 2 | 4 | 1 | 3 | 14 |
177 | Weighing Scales | 1 | 4 | 6 | 2 | 1 | 14 |
194 | Check-Actuated Control Mechanisms | 4 | 3 | 3 | 2 | 2 | 14 |
236 | Automatic Temperature and Humidity Regulation | 2 | 4 | 2 | 3 | 3 | 14 |
464 | Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts | 1 | 3 | 3 | 2 | 5 | 14 |
082 | Turning (e.g., for metal working) | 1 | 3 | 1 | 4 | 4 | 13 |
144 | Woodworking | 6 | 1 | 2 | 3 | 1 | 13 |
303 | Fluid-Pressure and Analogous Brake Systems | 3 | 3 | 3 | 1 | 3 | 13 |
014 | Bridges | 1 | 3 | 1 | 4 | 3 | 12 |
037 | Excavating | 3 | 5 | 1 | 1 | 2 | 12 |
122 | Liquid Heaters and Vaporizers | 4 | 2 | 2 | 1 | 3 | 12 |
483 | Tool Changing | 1 | 2 | 4 | 2 | 3 | 12 |
054 | Harness (for animals) | 3 | 0 | 4 | 0 | 4 | 11 |
076 | Metal Tools and Implements, Making | 3 | 1 | 2 | 1 | 4 | 11 |
329 | Demodulators | 4 | 0 | 1 | 2 | 4 | 11 |
388 | Electricity: Motor Control Systems | 2 | 4 | 3 | 1 | 1 | 11 |
452 | Butchering | 4 | 3 | 1 | 2 | 1 | 11 |
086 | Ammunition and Explosive-Charge Making | 1 | 2 | 5 | 1 | 1 | 10 |
202 | Distillation: Apparatus | 3 | 2 | 2 | 1 | 2 | 10 |
212 | Traversing Hoists | 2 | 1 | 1 | 4 | 2 | 10 |
270 | Sheet-Material Associating | 2 | 3 | 2 | 3 | 0 | 10 |
460 | Crop Threshing or Separating | 2 | 2 | 2 | 3 | 1 | 10 |
038 | Textiles: Ironing or Smoothing | 2 | 0 | 2 | 3 | 2 | 9 |
105 | Railway Rolling Stock | 3 | 4 | 0 | 1 | 1 | 9 |
226 | Advancing Material of Indeterminate Length | 1 | 1 | 2 | 1 | 4 | 9 |
266 | Metallurgical Apparatus | 2 | 0 | 3 | 1 | 3 | 9 |
322 | Electricity: Single Generator Systems | 0 | 1 | 1 | 1 | 6 | 9 |
051 | Abrasive Tool Making Process, Material, or Composition | 1 | 1 | 1 | 2 | 3 | 8 |
127 | Sugar, Starch, and Carbohydrates | 3 | 1 | 3 | 1 | 0 | 8 |
168 | Farriery | 1 | 1 | 0 | 1 | 5 | 8 |
191 | Electricity: Transmission To Vehicles | 1 | 4 | 2 | 0 | 1 | 8 |
373 | Industrial Electric Heating Furnaces | 3 | 0 | 1 | 2 | 2 | 8 |
507 | Earth Boring, Well Treating, and Oil Field Chemistry | 0 | 6 | 1 | 1 | 0 | 8 |
059 | Chain, Staple, and Horseshoe Making | 1 | 2 | 1 | 2 | 1 | 7 |
091 | Motors: Expansible Chamber Type | 2 | 1 | 2 | 1 | 1 | 7 |
173 | Tool Driving or Impacting | 1 | 3 | 3 | 0 | 0 | 7 |
346 | Recorders | 3 | 1 | 2 | 0 | 1 | 7 |
516 | Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting | 1 | 1 | 2 | 2 | 1 | 7 |
048 | Gas: Heating and Illuminating | 1 | 2 | 2 | 1 | 0 | 6 |
068 | Textiles: Fluid Treating Apparatus | 0 | 3 | 2 | 0 | 1 | 6 |
111 | Planting | 2 | 1 | 1 | 2 | 0 | 6 |
186 | Merchandising | 1 | 0 | 4 | 1 | 0 | 6 |
193 | Conveyors, Chutes, Skids, Guides, and Ways | 1 | 0 | 1 | 2 | 2 | 6 |
232 | Deposit and Collection Receptacles | 1 | 1 | 0 | 4 | 0 | 6 |
246 | Railway Switches and Signals | 1 | 0 | 4 | 0 | 1 | 6 |
407 | Cutters, for Shaping | 1 | 0 | 0 | 3 | 2 | 6 |
066 | Textiles: Knitting | 1 | 0 | 1 | 2 | 1 | 5 |
289 | Knots and Knot Tying | 0 | 1 | 0 | 3 | 1 | 5 |
406 | Conveyors: Fluid Current | 0 | 3 | 1 | 1 | 0 | 5 |
420 | Alloys or Metallic Compositions | 1 | 1 | 0 | 2 | 1 | 5 |
503 | Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor | 2 | 0 | 0 | 3 | 0 | 5 |
139 | Textiles: Weaving | 1 | 3 | 0 | 0 | 0 | 4 |
238 | Railways: Surface Track | 0 | 0 | 1 | 3 | 0 | 4 |
299 | Mining or In Situ Disintegration of Hard Material | 2 | 1 | 0 | 0 | 1 | 4 |
412 | Bookbinding: Process and Apparatus | 0 | 0 | 1 | 0 | 3 | 4 |
470 | Threaded, Headed Fastener, or Washer Making: Process and Apparatus | 0 | 0 | 1 | 1 | 2 | 4 |
477 | Interrelated Power Delivery Controls, Including Engine Control | 0 | 0 | 1 | 1 | 2 | 4 |
027 | Undertaking | 0 | 1 | 0 | 1 | 1 | 3 |
334 | Tuners | 0 | 0 | 0 | 2 | 1 | 3 |
057 | Textiles: Spinning, Twisting, and Twining | 0 | 1 | 1 | 0 | 0 | 2 |
157 | Wheelwright Machines | 0 | 0 | 1 | 1 | 0 | 2 |
159 | Concentrating Evaporators | 0 | 0 | 1 | 1 | 0 | 2 |
201 | Distillation: Processes, Thermolytic | 0 | 0 | 2 | 0 | 0 | 2 |
218 | High-Voltage Switches with Arc Preventing or Extinguishing Devices | 1 | 1 | 0 | 0 | 0 | 2 |
293 | Vehicle Fenders | 0 | 1 | 1 | 0 | 0 | 2 |
462 | Books, Strips, and Leaves for Manifolding | 1 | 0 | 1 | 0 | 0 | 2 |
476 | Friction Gear Transmission Systems or Components | 1 | 1 | 0 | 0 | 0 | 2 |
012 | Boot and Shoe Making | 0 | 0 | 0 | 1 | 0 | 1 |
019 | Textiles: Fiber Preparation | 1 | 0 | 0 | 0 | 0 | 1 |
023 | Chemistry: Physical Processes | 0 | 0 | 0 | 0 | 1 | 1 |
026 | Textiles: Cloth Finishing | 1 | 0 | 0 | 0 | 0 | 1 |
142 | Wood Turning | 0 | 1 | 0 | 0 | 0 | 1 |
196 | Mineral Oils: Apparatus | 0 | 0 | 1 | 0 | 0 | 1 |
237 | Heating Systems | 0 | 0 | 1 | 0 | 0 | 1 |
298 | Land Vehicles: Dumping | 1 | 0 | 0 | 0 | 0 | 1 |
300 | Brush, Broom, and Mop Making | 0 | 0 | 0 | 1 | 0 | 1 |
305 | Wheel Substitutes for Land Vehicles | 0 | 0 | 0 | 0 | 1 | 1 |
449 | Bee Culture (propagating, raising, caring for bees) | 1 | 0 | 0 | 0 | 0 | 1 |
492 | Roll or Roller | 0 | 0 | 1 | 0 | 0 | 1 |
512 | Perfume Compositions | 0 | 0 | 0 | 0 | 1 | 1 |
ALL | ALL CLASSES | 10473 | 11289 | 15791 | 16773 | 17492 | 71818 |
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Washington, DC 20231 tel: (703) 306-2600
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