U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 4542 | 6124 | 6793 | 7163 | 6730 | 31352 |
435 | Chemistry: Molecular Biology and Microbiology | 2098 | 2860 | 4058 | 4021 | 3498 | 16535 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 2989 | 2898 | 3284 | 3276 | 3346 | 15793 |
532 | Organic Compounds (includes Classes 532-570) | 2823 | 3023 | 3455 | 3389 | 3051 | 15741 |
438 | Semiconductor Device Manufacturing: Process | 1401 | 1755 | 2282 | 3388 | 4459 | 13285 |
428 | Stock Material or Miscellaneous Articles | 2186 | 2348 | 2771 | 2951 | 2740 | 12996 |
257 | Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) | 1538 | 1615 | 2413 | 2613 | 2703 | 10882 |
128 | Surgery (includes Class 600) | 1497 | 1558 | 2279 | 2089 | 2358 | 9781 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 1167 | 1356 | 2165 | 2056 | 2117 | 8861 |
359 | Optics: Systems (Including Communication) and Elements | 1325 | 1318 | 1905 | 1900 | 1950 | 8398 |
430 | Radiation Imagery Chemistry: Process, Composition, or Product Thereof | 1402 | 1342 | 1627 | 1737 | 1795 | 7903 |
073 | Measuring and Testing | 1458 | 1344 | 1651 | 1524 | 1513 | 7490 |
439 | Electrical Connectors | 987 | 1196 | 1310 | 1663 | 2240 | 7396 |
365 | Static Information Storage and Retrieval | 1007 | 1134 | 1503 | 1751 | 1913 | 7308 |
606 | Surgery (instruments) | 927 | 1243 | 1482 | 1608 | 1619 | 6879 |
370 | Multiplex Communications | 1029 | 893 | 1219 | 1493 | 1821 | 6455 |
455 | Telecommunications | 812 | 675 | 1240 | 1593 | 1953 | 6273 |
340 | Communications: Electrical | 937 | 1056 | 1358 | 1361 | 1456 | 6168 |
604 | Surgery (Medicators and Receptors) | 1079 | 1081 | 1475 | 1344 | 1177 | 6156 |
123 | Internal-Combustion Engines | 1071 | 1107 | 1295 | 1236 | 1393 | 6102 |
361 | Electricity: Electrical Systems and Devices | 969 | 849 | 1382 | 1287 | 1385 | 5872 |
210 | Liquid Purification or Separation | 1113 | 1106 | 1156 | 1162 | 1168 | 5705 |
375 | Pulse or Digital Communications | 850 | 865 | 1235 | 1235 | 1328 | 5513 |
280 | Land Vehicles | 1008 | 813 | 1111 | 1180 | 1388 | 5500 |
029 | Metal Working | 924 | 969 | 1203 | 1121 | 1259 | 5476 |
324 | Electricity: Measuring and Testing | 1243 | 982 | 986 | 936 | 1171 | 5318 |
250 | Radiant Energy | 1022 | 905 | 1145 | 1051 | 1055 | 5178 |
348 | Television | 1034 | 858 | 1149 | 1092 | 1035 | 5168 |
382 | Image Analysis | 517 | 634 | 1288 | 1336 | 1233 | 5008 |
360 | Dynamic Magnetic Information Storage or Retrieval | 695 | 749 | 1119 | 1143 | 1213 | 4919 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 747 | 884 | 1055 | 1126 | 1058 | 4870 |
427 | Coating Processes | 787 | 878 | 983 | 1089 | 1101 | 4838 |
399 | Electrophotography | 904 | 731 | 1077 | 1082 | 956 | 4750 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 770 | 888 | 1112 | 992 | 973 | 4735 |
347 | Incremental Printing of Symbolic Information | 596 | 597 | 1048 | 1029 | 1412 | 4682 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 717 | 595 | 985 | 1086 | 1218 | 4601 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 441 | 439 | 1157 | 1200 | 1351 | 4588 |
052 | Static Structures (e.g., Buildings) | 744 | 830 | 1004 | 984 | 1013 | 4575 |
369 | Dynamic Information Storage or Retrieval | 812 | 805 | 1072 | 962 | 886 | 4537 |
714 | Error Detection/Correction and Fault Detection/Recovery | 751 | 707 | 1067 | 1027 | 982 | 4534 |
707 | DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) | 477 | 550 | 1148 | 1244 | 1100 | 4519 |
356 | Optics: Measuring and Testing | 706 | 726 | 1049 | 985 | 1026 | 4492 |
379 | Telephonic Communications | 741 | 614 | 1046 | 1099 | 914 | 4414 |
710 | Input/Output (Electrical Computers and Digital Processing Systems) | 580 | 638 | 1025 | 1058 | 1010 | 4311 |
219 | Electric Heating | 600 | 555 | 834 | 954 | 1158 | 4101 |
358 | Facsimile and Static Presentation Processing | 748 | 652 | 946 | 799 | 743 | 3888 |
062 | Refrigeration | 631 | 683 | 790 | 895 | 879 | 3878 |
385 | Optical Waveguides | 568 | 672 | 857 | 832 | 858 | 3787 |
396 | Photography | 692 | 747 | 959 | 721 | 666 | 3785 |
206 | Special Receptacle or Package | 631 | 613 | 849 | 867 | 802 | 3762 |
711 | Memory (Electrical Computers and Digital Processing Systems) | 565 | 571 | 855 | 842 | 886 | 3719 |
137 | Fluid Handling | 555 | 538 | 746 | 901 | 942 | 3682 |
426 | Food or Edible Material: Processes, Compositions, and Products | 629 | 524 | 618 | 878 | 909 | 3558 |
310 | Electrical Generator or Motor Structure | 426 | 492 | 862 | 866 | 905 | 3551 |
362 | Illumination | 531 | 536 | 645 | 666 | 877 | 3255 |
248 | Supports (e.g., for holding articles, etc.) | 490 | 487 | 750 | 721 | 799 | 3247 |
060 | Power Plants | 502 | 537 | 707 | 670 | 732 | 3148 |
473 | Games Using Tangible Projectile | 580 | 575 | 790 | 638 | 561 | 3144 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 561 | 499 | 625 | 681 | 599 | 2965 |
252 | Compositions | 532 | 497 | 661 | 654 | 604 | 2948 |
713 | Support (Electrical Computers and Digital Processing Systems) | 325 | 388 | 688 | 754 | 745 | 2900 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 340 | 544 | 725 | 717 | 556 | 2882 |
222 | Dispensing (apparatus and process) | 462 | 434 | 555 | 785 | 629 | 2865 |
074 | Machine Element or Mechanism | 501 | 431 | 633 | 633 | 625 | 2823 |
318 | Electricity: Motive Power Systems | 467 | 417 | 663 | 622 | 631 | 2800 |
701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 430 | 328 | 509 | 682 | 820 | 2769 |
297 | Chairs and Seats | 460 | 447 | 540 | 590 | 648 | 2685 |
429 | Chemistry: Electrical Current Producing Apparatus, Product, and Process | 531 | 485 | 486 | 495 | 668 | 2665 |
015 | Brushing, Scrubbing, and General Cleaning | 446 | 394 | 543 | 599 | 614 | 2596 |
712 | Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) | 355 | 403 | 659 | 663 | 487 | 2567 |
204 | Chemistry: Electrical and Wave Energy | 419 | 432 | 477 | 545 | 693 | 2566 |
313 | Electric Lamp and Discharge Devices | 395 | 375 | 607 | 608 | 555 | 2540 |
349 | Liquid Crystal Cells, Elements and Systems | 382 | 375 | 600 | 509 | 652 | 2518 |
242 | Winding, Tensioning, or Guiding | 445 | 420 | 573 | 535 | 528 | 2501 |
002 | Apparel | 383 | 423 | 507 | 601 | 565 | 2479 |
700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 459 | 347 | 654 | 534 | 460 | 2454 |
510 | Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions | 366 | 343 | 556 | 616 | 520 | 2401 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 305 | 353 | 527 | 573 | 639 | 2397 |
414 | Material or Article Handling | 478 | 409 | 451 | 481 | 570 | 2389 |
451 | Abrading | 351 | 426 | 400 | 530 | 668 | 2375 |
704 | DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) | 210 | 363 | 609 | 626 | 529 | 2337 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 155 | 245 | 489 | 714 | 725 | 2328 |
106 | Compositions: Coating or Plastic | 393 | 414 | 557 | 517 | 428 | 2309 |
235 | Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) | 350 | 318 | 442 | 561 | 605 | 2276 |
417 | Pumps | 422 | 352 | 367 | 443 | 677 | 2261 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 369 | 348 | 516 | 511 | 516 | 2260 |
341 | Coded Data Generation or Conversion | 319 | 472 | 566 | 441 | 458 | 2256 |
053 | Package Making | 391 | 434 | 538 | 390 | 455 | 2208 |
423 | Chemistry of Inorganic Compounds | 405 | 386 | 429 | 498 | 475 | 2193 |
296 | Land Vehicles: Bodies and Tops | 318 | 285 | 431 | 533 | 619 | 2186 |
220 | Receptacles | 383 | 347 | 451 | 511 | 477 | 2169 |
607 | Surgery: Light, Thermal, and Electrical Application | 330 | 322 | 522 | 457 | 513 | 2144 |
623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 340 | 328 | 427 | 478 | 569 | 2142 |
118 | Coating Apparatus | 369 | 376 | 413 | 429 | 552 | 2139 |
372 | Coherent Light Generators | 349 | 352 | 502 | 464 | 469 | 2136 |
315 | Electric Lamp and Discharge Devices: Systems | 355 | 303 | 450 | 473 | 540 | 2121 |
101 | Printing | 358 | 360 | 527 | 445 | 429 | 2119 |
072 | Metal Deforming | 325 | 388 | 470 | 499 | 435 | 2117 |
174 | Electricity: Conductors and Insulators | 361 | 316 | 488 | 412 | 516 | 2093 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 235 | 264 | 451 | 574 | 545 | 2069 |
342 | Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) | 417 | 296 | 401 | 453 | 494 | 2061 |
482 | Exercise Devices | 370 | 395 | 451 | 410 | 415 | 2041 |
134 | Cleaning and Liquid Contact with Solids | 303 | 320 | 431 | 548 | 436 | 2038 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 376 | 396 | 473 | 382 | 384 | 2011 |
363 | Electric Power Conversion Systems | 258 | 372 | 401 | 507 | 454 | 1992 |
343 | Communications: Radio Wave Antennas | 260 | 249 | 305 | 554 | 603 | 1971 |
436 | Chemistry: Analytical and Immunological Testing | 326 | 319 | 463 | 476 | 381 | 1965 |
326 | Electronic Digital Logic Circuitry | 366 | 304 | 324 | 357 | 532 | 1883 |
166 | Wells (shafts or deep borings in the earth, e.g., for oil and gas) | 308 | 245 | 384 | 420 | 511 | 1868 |
148 | Metal Treatment | 338 | 292 | 390 | 407 | 399 | 1826 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 311 | 283 | 367 | 385 | 479 | 1825 |
381 | Electrical Audio Signal Processing Systems and Devices | 287 | 330 | 505 | 324 | 361 | 1807 |
119 | Animal Husbandry | 277 | 282 | 452 | 389 | 355 | 1755 |
198 | Conveyors: Power-Driven | 301 | 279 | 320 | 421 | 420 | 1741 |
084 | Music | 322 | 273 | 341 | 418 | 379 | 1733 |
180 | Motor Vehicles | 303 | 199 | 356 | 415 | 454 | 1727 |
433 | Dentistry | 257 | 261 | 440 | 398 | 363 | 1719 |
244 | Aeronautics | 223 | 214 | 404 | 383 | 435 | 1659 |
405 | Hydraulic and Earth Engineering | 367 | 266 | 381 | 351 | 289 | 1654 |
165 | Heat Exchange | 301 | 265 | 341 | 378 | 368 | 1653 |
708 | Arithmetic Processing and Calculating (Electrical Computers) | 275 | 260 | 383 | 398 | 297 | 1613 |
005 | Beds | 333 | 297 | 311 | 314 | 354 | 1609 |
273 | Amusement Devices: Games | 309 | 325 | 359 | 310 | 291 | 1594 |
200 | Electricity: Circuit Makers and Breakers | 251 | 249 | 389 | 361 | 342 | 1592 |
099 | Foods and Beverages: Apparatus | 279 | 319 | 304 | 350 | 332 | 1584 |
378 | X-Ray or Gamma Ray Systems or Devices | 311 | 273 | 315 | 267 | 380 | 1546 |
192 | Clutches and Power-Stop Control | 244 | 280 | 264 | 392 | 358 | 1538 |
307 | Electrical Transmission or Interconnection Systems | 221 | 272 | 317 | 384 | 327 | 1521 |
205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 284 | 278 | 271 | 341 | 333 | 1507 |
162 | Paper Making and Fiber Liberation | 269 | 291 | 331 | 284 | 326 | 1501 |
386 | Television Signal Processing for Dynamic Recording or Reproducing | 274 | 225 | 332 | 334 | 310 | 1475 |
333 | Wave Transmission Lines and Networks | 218 | 214 | 337 | 346 | 359 | 1474 |
004 | Baths, Closets, Sinks, and Spittoons | 197 | 218 | 312 | 409 | 327 | 1463 |
330 | Amplifiers | 205 | 209 | 266 | 353 | 423 | 1456 |
211 | Supports: Racks | 234 | 258 | 331 | 302 | 318 | 1443 |
400 | Typewriting Machines | 253 | 221 | 321 | 330 | 305 | 1430 |
224 | Package and Article Carriers | 260 | 267 | 319 | 301 | 245 | 1392 |
114 | Ships | 271 | 256 | 256 | 274 | 334 | 1391 |
024 | Buckles, Buttons, Clasps, Etc. | 225 | 292 | 290 | 299 | 276 | 1382 |
070 | Locks | 201 | 241 | 338 | 319 | 249 | 1348 |
188 | Brakes | 295 | 201 | 255 | 303 | 294 | 1348 |
034 | Drying and Gas or Vapor Contact with Solids | 249 | 229 | 241 | 283 | 345 | 1347 |
320 | Electricity: Battery or Capacitor Charging or Discharging | 149 | 266 | 244 | 322 | 361 | 1342 |
717 | DP: Software Development, Installation, and Management (Data Processing) | 132 | 131 | 307 | 405 | 366 | 1341 |
285 | Pipe Joints or Couplings | 252 | 188 | 299 | 315 | 285 | 1339 |
323 | Electricity: Power Supply or Regulation Systems | 197 | 260 | 266 | 310 | 306 | 1339 |
030 | Cutlery | 233 | 227 | 276 | 304 | 289 | 1329 |
271 | Sheet Feeding or Delivering | 228 | 241 | 201 | 323 | 320 | 1313 |
351 | Optics: Eye Examining, Vision Testing and Correcting | 202 | 196 | 278 | 322 | 311 | 1309 |
083 | Cutting | 157 | 176 | 301 | 336 | 313 | 1283 |
033 | Geometrical Instruments | 255 | 203 | 260 | 228 | 328 | 1274 |
043 | Fishing, Trapping, and Vermin Destroying | 273 | 175 | 183 | 349 | 290 | 1270 |
703 | DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) | 154 | 223 | 298 | 303 | 283 | 1261 |
384 | Bearings | 257 | 196 | 254 | 263 | 267 | 1237 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 227 | 215 | 236 | 296 | 251 | 1225 |
251 | Valves and Valve Actuation | 178 | 166 | 244 | 286 | 342 | 1216 |
434 | Education and Demonstration | 202 | 172 | 281 | 271 | 287 | 1213 |
228 | Metal Fusion Bonding | 202 | 203 | 179 | 257 | 370 | 1211 |
241 | Solid Material Comminution or Disintegration | 248 | 218 | 245 | 279 | 211 | 1201 |
403 | Joints and Connections | 223 | 252 | 270 | 198 | 241 | 1184 |
504 | Plant Protecting and Regulating Compositions | 228 | 265 | 224 | 231 | 229 | 1177 |
446 | Amusement Devices: Toys | 182 | 135 | 257 | 260 | 330 | 1164 |
312 | Supports: Cabinet Structure | 193 | 191 | 235 | 260 | 270 | 1149 |
008 | Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers | 211 | 158 | 227 | 312 | 239 | 1147 |
081 | Tools | 193 | 129 | 184 | 285 | 351 | 1142 |
716 | DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) | 187 | 189 | 268 | 244 | 238 | 1126 |
303 | Fluid-Pressure and Analogous Brake Systems | 217 | 190 | 215 | 230 | 272 | 1124 |
585 | Chemistry of Hydrocarbon Compounds | 204 | 169 | 242 | 270 | 231 | 1116 |
277 | Seal for a Joint or Juncture | 239 | 212 | 180 | 225 | 258 | 1114 |
501 | Compositions: Ceramic | 224 | 211 | 211 | 243 | 205 | 1094 |
040 | Card, Picture, or Sign Exhibiting | 176 | 187 | 215 | 243 | 265 | 1086 |
132 | Toilet | 135 | 139 | 243 | 322 | 239 | 1078 |
036 | Boots, Shoes, and Leggings | 146 | 176 | 257 | 258 | 229 | 1066 |
331 | Oscillators | 169 | 176 | 228 | 220 | 266 | 1059 |
415 | Rotary Kinetic Fluid Motors or Pumps | 233 | 167 | 190 | 188 | 275 | 1053 |
294 | Handling: Hand and Hoist-Line Implements | 182 | 180 | 239 | 209 | 240 | 1050 |
175 | Boring or Penetrating the Earth | 180 | 154 | 212 | 231 | 268 | 1045 |
216 | Etching a Substrate: Processes | 158 | 200 | 235 | 229 | 214 | 1036 |
164 | Metal Founding | 195 | 200 | 224 | 243 | 162 | 1024 |
366 | Agitating (e.g., of articles and materials) | 224 | 160 | 213 | 214 | 203 | 1014 |
442 | Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) | 165 | 178 | 217 | 225 | 221 | 1006 |
292 | Closure Fasteners | 210 | 194 | 183 | 187 | 231 | 1005 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 174 | 150 | 199 | 246 | 229 | 998 |
355 | Photocopying | 93 | 191 | 224 | 250 | 226 | 984 |
016 | Miscellaneous Hardware | 179 | 162 | 214 | 198 | 228 | 981 |
065 | Glass Manufacturing | 118 | 199 | 234 | 250 | 176 | 977 |
431 | Combustion | 166 | 130 | 191 | 256 | 233 | 976 |
411 | Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener | 170 | 184 | 227 | 195 | 199 | 975 |
475 | Planetary Gear Transmission Systems or Components | 160 | 173 | 168 | 260 | 213 | 974 |
725 | Interactive Video Distribution Systems | 165 | 153 | 251 | 249 | 154 | 972 |
367 | Communications, Electrical: Acoustic Wave Systems and Devices | 222 | 171 | 222 | 163 | 192 | 970 |
056 | Harvesters | 156 | 114 | 213 | 236 | 228 | 947 |
508 | Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions | 195 | 177 | 203 | 184 | 188 | 947 |
477 | Interrelated Power Delivery Controls, Including Engine Control | 144 | 181 | 203 | 210 | 203 | 941 |
602 | Surgery: Splint, Brace, or Bandage | 133 | 139 | 234 | 212 | 222 | 940 |
380 | Cryptography | 141 | 172 | 233 | 157 | 228 | 931 |
209 | Classifying, Separating, and Assorting Solids | 165 | 159 | 166 | 221 | 219 | 930 |
117 | Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor | 137 | 127 | 201 | 234 | 227 | 926 |
706 | DP: Artificial Intelligence (Data Processing) | 163 | 202 | 305 | 126 | 127 | 923 |
138 | Pipes and Tubular Conduits | 113 | 110 | 172 | 241 | 275 | 911 |
049 | Movable or Removable Closures | 176 | 139 | 176 | 182 | 236 | 909 |
126 | Stoves and Furnaces | 138 | 143 | 162 | 229 | 223 | 895 |
095 | Gas Separation: Processes | 136 | 131 | 206 | 216 | 205 | 894 |
229 | Envelopes, Wrappers, and Paperboard Boxes | 162 | 141 | 200 | 199 | 191 | 893 |
160 | Flexible or Portable Closure, Partition, or Panel | 159 | 165 | 170 | 160 | 232 | 886 |
047 | Plant Husbandry | 178 | 130 | 143 | 191 | 236 | 878 |
463 | Amusement Devices: Games | 89 | 128 | 224 | 201 | 236 | 878 |
208 | Mineral Oils: Processes and Products | 125 | 134 | 153 | 254 | 206 | 872 |
335 | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets | 177 | 149 | 123 | 220 | 193 | 862 |
112 | Sewing | 178 | 155 | 181 | 188 | 156 | 858 |
108 | Horizontally Supported Planar Surfaces | 167 | 158 | 157 | 176 | 190 | 848 |
416 | Fluid Reaction Surfaces (i.e., Impellers) | 168 | 139 | 131 | 160 | 235 | 833 |
215 | Bottles and Jars | 120 | 133 | 186 | 195 | 164 | 798 |
440 | Marine Propulsion | 138 | 119 | 152 | 162 | 210 | 781 |
418 | Rotary Expansible Chamber Devices | 155 | 109 | 129 | 94 | 281 | 768 |
401 | Coating Implements with Material Supply | 75 | 67 | 122 | 263 | 225 | 752 |
454 | Ventilation | 115 | 134 | 177 | 149 | 171 | 746 |
376 | Induced Nuclear Reactions: Processes, Systems, and Elements | 171 | 137 | 184 | 156 | 82 | 730 |
181 | Acoustics | 111 | 101 | 158 | 172 | 171 | 713 |
055 | Gas Separation | 94 | 103 | 188 | 150 | 170 | 705 |
182 | Fire Escape, Ladder, or Scaffold | 97 | 104 | 151 | 191 | 162 | 705 |
102 | Ammunition and Explosives | 152 | 143 | 155 | 132 | 121 | 703 |
474 | Endless Belt Power Transmission Systems or Components | 103 | 129 | 148 | 138 | 184 | 702 |
187 | Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle | 120 | 111 | 154 | 181 | 116 | 682 |
493 | Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web | 112 | 89 | 153 | 146 | 171 | 671 |
152 | Resilient Tires and Wheels | 104 | 123 | 136 | 129 | 173 | 665 |
267 | Spring Devices | 117 | 110 | 119 | 149 | 158 | 653 |
374 | Thermal Measuring and Testing | 61 | 126 | 192 | 94 | 176 | 649 |
368 | Horology: Time Measuring Systems or Devices | 113 | 117 | 145 | 139 | 129 | 643 |
221 | Article Dispensing | 126 | 85 | 134 | 145 | 152 | 642 |
404 | Road Structure, Process, or Apparatus | 137 | 104 | 107 | 147 | 140 | 635 |
096 | Gas Separation: Apparatus | 109 | 124 | 131 | 133 | 126 | 623 |
057 | Textiles: Spinning, Twisting, and Twining | 108 | 111 | 161 | 116 | 108 | 604 |
408 | Cutting by Use of Rotating Axially Moving Tool | 83 | 101 | 150 | 170 | 94 | 598 |
227 | Elongated-Member-Driving Apparatus | 106 | 123 | 126 | 110 | 121 | 586 |
172 | Earth Working | 110 | 94 | 134 | 111 | 131 | 580 |
445 | Electric Lamp or Space Discharge Component or Device Manufacturing | 74 | 95 | 115 | 131 | 165 | 580 |
092 | Expansible Chamber Devices | 92 | 110 | 140 | 136 | 98 | 576 |
254 | Implements or Apparatus for Applying Pushing or Pulling Force | 85 | 99 | 100 | 142 | 150 | 576 |
042 | Firearms | 97 | 135 | 145 | 119 | 75 | 571 |
135 | Tent, Canopy, Umbrella, or Cane | 95 | 104 | 130 | 108 | 121 | 558 |
124 | Mechanical Guns and Projectors | 104 | 138 | 106 | 109 | 99 | 556 |
503 | Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor | 120 | 114 | 112 | 122 | 83 | 551 |
144 | Woodworking | 80 | 90 | 107 | 139 | 131 | 547 |
110 | Furnaces | 102 | 121 | 142 | 81 | 90 | 536 |
283 | Printed Matter | 75 | 79 | 118 | 138 | 125 | 535 |
464 | Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts | 85 | 109 | 134 | 99 | 104 | 531 |
139 | Textiles: Weaving | 99 | 98 | 106 | 89 | 137 | 529 |
100 | Presses | 102 | 103 | 135 | 105 | 81 | 526 |
037 | Excavating | 103 | 78 | 100 | 112 | 122 | 515 |
269 | Work Holders | 82 | 64 | 104 | 126 | 137 | 513 |
601 | Surgery: Kinesitherapy | 91 | 84 | 141 | 92 | 102 | 510 |
136 | Batteries: Thermoelectric and Photoelectric | 85 | 64 | 71 | 118 | 171 | 509 |
044 | Fuel and Related Compositions | 104 | 79 | 100 | 104 | 120 | 507 |
261 | Gas and Liquid Contact Apparatus | 99 | 91 | 85 | 111 | 119 | 505 |
089 | Ordnance | 76 | 110 | 122 | 107 | 83 | 498 |
409 | Gear Cutting, Milling, or Planing | 65 | 91 | 108 | 117 | 116 | 497 |
353 | Optics: Image Projectors | 84 | 95 | 113 | 95 | 100 | 487 |
505 | Superconductor Technology: Apparatus, Material, Process | 128 | 91 | 86 | 107 | 72 | 484 |
131 | Tobacco | 91 | 92 | 129 | 79 | 89 | 480 |
432 | Heating | 53 | 71 | 112 | 136 | 99 | 471 |
066 | Textiles: Knitting | 94 | 73 | 73 | 89 | 141 | 470 |
383 | Flexible Bags | 67 | 61 | 90 | 117 | 133 | 468 |
336 | Inductor Devices | 76 | 48 | 110 | 102 | 127 | 463 |
392 | Electric Resistance Heating Devices | 55 | 66 | 91 | 117 | 131 | 460 |
452 | Butchering | 93 | 65 | 92 | 89 | 111 | 450 |
068 | Textiles: Fluid Treating Apparatus | 70 | 80 | 112 | 111 | 69 | 442 |
588 | Hazardous or Toxic Waste Destruction or Containment | 112 | 87 | 91 | 80 | 67 | 437 |
338 | Electrical Resistors | 67 | 63 | 86 | 117 | 102 | 435 |
091 | Motors: Expansible Chamber Type | 87 | 77 | 111 | 77 | 80 | 432 |
441 | Buoys, Rafts, and Aquatic Devices | 75 | 82 | 94 | 85 | 93 | 429 |
266 | Metallurgical Apparatus | 87 | 77 | 75 | 86 | 92 | 417 |
301 | Land Vehicles: Wheels and Axles | 75 | 56 | 78 | 86 | 121 | 416 |
419 | Powder Metallurgy Processes | 90 | 73 | 70 | 102 | 75 | 410 |
104 | Railways | 85 | 102 | 72 | 51 | 65 | 375 |
337 | Electricity: Electrothermally or Thermally Actuated Switches | 39 | 69 | 99 | 104 | 64 | 375 |
173 | Tool Driving or Impacting | 55 | 53 | 76 | 84 | 99 | 367 |
169 | Fire Extinguishers | 58 | 56 | 67 | 87 | 96 | 364 |
223 | Apparel Apparatus | 53 | 73 | 61 | 82 | 93 | 362 |
105 | Railway Rolling Stock | 77 | 71 | 89 | 55 | 64 | 356 |
177 | Weighing Scales | 35 | 60 | 111 | 91 | 57 | 354 |
194 | Check-Actuated Control Mechanisms | 83 | 50 | 56 | 84 | 81 | 354 |
122 | Liquid Heaters and Vaporizers | 59 | 35 | 85 | 82 | 81 | 342 |
203 | Distillation: Processes, Separatory | 62 | 69 | 84 | 74 | 48 | 337 |
236 | Automatic Temperature and Humidity Regulation | 56 | 45 | 68 | 87 | 80 | 336 |
407 | Cutters, for Shaping | 40 | 49 | 77 | 83 | 84 | 333 |
516 | Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting | 57 | 69 | 67 | 61 | 73 | 327 |
082 | Turning (e.g., for metal working) | 41 | 64 | 73 | 82 | 66 | 326 |
420 | Alloys or Metallic Compositions | 69 | 55 | 65 | 77 | 58 | 324 |
410 | Freight Accommodation On Freight Carrier | 47 | 38 | 61 | 71 | 97 | 314 |
149 | Explosive and Thermic Compositions or Charges | 81 | 46 | 55 | 38 | 73 | 293 |
507 | Earth Boring, Well Treating, and Oil Field Chemistry | 34 | 73 | 64 | 58 | 59 | 288 |
051 | Abrasive Tool Making Process, Material, or Composition | 69 | 72 | 39 | 52 | 45 | 277 |
472 | Amusement Devices | 51 | 44 | 69 | 55 | 56 | 275 |
218 | High-Voltage Switches with Arc Preventing or Extinguishing Devices | 52 | 34 | 79 | 55 | 47 | 267 |
377 | Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems | 51 | 45 | 53 | 52 | 66 | 267 |
256 | Fences | 44 | 54 | 51 | 48 | 62 | 259 |
281 | Books, Strips, and Leaves | 37 | 46 | 51 | 71 | 54 | 259 |
116 | Signals and Indicators | 57 | 52 | 39 | 51 | 59 | 258 |
019 | Textiles: Fiber Preparation | 54 | 54 | 46 | 45 | 58 | 257 |
111 | Planting | 55 | 47 | 38 | 58 | 59 | 257 |
270 | Sheet-Material Associating | 60 | 63 | 67 | 33 | 33 | 256 |
322 | Electricity: Single Generator Systems | 55 | 53 | 63 | 36 | 49 | 256 |
184 | Lubrication | 59 | 42 | 51 | 44 | 59 | 255 |
226 | Advancing Material of Indeterminate Length | 33 | 34 | 79 | 58 | 47 | 251 |
373 | Industrial Electric Heating Furnaces | 55 | 27 | 36 | 72 | 56 | 246 |
290 | Prime-Mover Dynamo Plants | 17 | 26 | 65 | 54 | 82 | 244 |
071 | Chemistry: Fertilizers | 44 | 59 | 59 | 42 | 38 | 242 |
494 | Imperforate Bowl: Centrifugal Separators | 50 | 37 | 49 | 52 | 50 | 238 |
279 | Chucks or Sockets | 37 | 26 | 57 | 71 | 46 | 237 |
028 | Textiles: Manufacturing | 38 | 47 | 39 | 45 | 54 | 223 |
402 | Binder Device Releasably Engaging Aperture or Notch of Sheet | 25 | 38 | 51 | 47 | 52 | 213 |
063 | Jewelry | 42 | 54 | 40 | 33 | 41 | 210 |
125 | Stone Working | 24 | 30 | 41 | 47 | 68 | 210 |
406 | Conveyors: Fluid Current | 51 | 35 | 42 | 31 | 49 | 208 |
299 | Mining or In Situ Disintegration of Hard Material | 40 | 45 | 39 | 39 | 44 | 207 |
249 | Static Molds | 35 | 45 | 50 | 39 | 35 | 204 |
212 | Traversing Hoists | 24 | 44 | 47 | 37 | 51 | 203 |
237 | Heating Systems | 23 | 24 | 49 | 45 | 46 | 187 |
014 | Bridges | 41 | 30 | 39 | 40 | 32 | 182 |
190 | Trunks and Hand-Carried Luggage | 37 | 30 | 38 | 37 | 39 | 181 |
038 | Textiles: Ironing or Smoothing | 32 | 37 | 34 | 33 | 38 | 174 |
178 | Telegraphy | 54 | 40 | 36 | 32 | 10 | 172 |
492 | Roll or Roller | 22 | 31 | 52 | 38 | 28 | 171 |
140 | Wireworking | 33 | 33 | 37 | 33 | 30 | 166 |
246 | Railway Switches and Signals | 38 | 37 | 44 | 16 | 31 | 166 |
332 | Modulators | 39 | 24 | 41 | 35 | 27 | 166 |
007 | Compound Hand Tools | 28 | 24 | 31 | 40 | 41 | 164 |
329 | Demodulators | 28 | 31 | 36 | 30 | 36 | 161 |
048 | Gas: Heating and Illuminating | 23 | 42 | 45 | 28 | 19 | 157 |
450 | Foundation Garments | 9 | 20 | 28 | 41 | 57 | 155 |
460 | Crop Threshing or Separating | 37 | 18 | 33 | 34 | 30 | 152 |
202 | Distillation: Apparatus | 28 | 31 | 31 | 35 | 24 | 149 |
225 | Severing by Tearing or Breaking | 31 | 23 | 35 | 35 | 21 | 145 |
483 | Tool Changing | 12 | 28 | 30 | 39 | 36 | 145 |
127 | Sugar, Starch, and Carbohydrates | 22 | 18 | 32 | 46 | 21 | 139 |
305 | Wheel Substitutes for Land Vehicles | 14 | 18 | 34 | 29 | 41 | 136 |
001 | ** Classification Undetermined ** | 2 | 10 | 43 | 38 | 37 | 130 |
293 | Vehicle Fenders | 15 | 22 | 30 | 28 | 32 | 127 |
412 | Bookbinding: Process and Apparatus | 16 | 26 | 20 | 25 | 37 | 124 |
076 | Metal Tools and Implements, Making | 27 | 24 | 23 | 18 | 31 | 123 |
232 | Deposit and Collection Receptacles | 22 | 23 | 25 | 28 | 19 | 117 |
476 | Friction Gear Transmission Systems or Components | 22 | 16 | 13 | 25 | 38 | 114 |
238 | Railways: Surface Track | 27 | 20 | 31 | 14 | 21 | 113 |
512 | Perfume Compositions | 28 | 19 | 23 | 14 | 29 | 113 |
027 | Undertaking | 16 | 28 | 24 | 20 | 23 | 111 |
453 | Coin Handling | 29 | 13 | 16 | 24 | 29 | 111 |
352 | Optics: Motion Pictures | 21 | 23 | 18 | 26 | 21 | 109 |
059 | Chain, Staple, and Horseshoe Making | 12 | 19 | 27 | 27 | 23 | 108 |
518 | Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof | 13 | 8 | 23 | 24 | 38 | 106 |
026 | Textiles: Cloth Finishing | 20 | 17 | 23 | 25 | 14 | 99 |
054 | Harness (for animals) | 15 | 12 | 27 | 12 | 31 | 97 |
388 | Electricity: Motor Control Systems | 20 | 19 | 16 | 21 | 21 | 97 |
346 | Recorders | 20 | 9 | 17 | 22 | 22 | 90 |
150 | Purses, Wallets, and Protective Covers | 15 | 9 | 19 | 17 | 28 | 88 |
109 | Safes, Bank Protection, or a Related Device | 12 | 22 | 21 | 16 | 11 | 82 |
213 | Railway Draft Appliances | 27 | 14 | 14 | 14 | 13 | 82 |
191 | Electricity: Transmission To Vehicles | 13 | 21 | 18 | 15 | 14 | 81 |
193 | Conveyors, Chutes, Skids, Guides, and Ways | 9 | 11 | 4 | 26 | 25 | 75 |
298 | Land Vehicles: Dumping | 20 | 6 | 17 | 11 | 21 | 75 |
470 | Threaded, Headed Fastener, or Washer Making: Process and Apparatus | 7 | 16 | 18 | 15 | 12 | 68 |
012 | Boot and Shoe Making | 11 | 10 | 13 | 20 | 6 | 60 |
300 | Brush, Broom, and Mop Making | 12 | 15 | 12 | 12 | 5 | 56 |
086 | Ammunition and Explosive-Charge Making | 7 | 14 | 18 | 7 | 8 | 54 |
186 | Merchandising | 13 | 8 | 12 | 9 | 10 | 52 |
413 | Sheet Metal Container Making | 6 | 9 | 11 | 16 | 7 | 49 |
087 | Textiles: Braiding, Netting, and Lace Making | 6 | 6 | 13 | 15 | 7 | 47 |
159 | Concentrating Evaporators | 11 | 5 | 14 | 9 | 8 | 47 |
023 | Chemistry: Physical Processes | 5 | 5 | 13 | 7 | 14 | 44 |
168 | Farriery | 7 | 9 | 8 | 6 | 12 | 42 |
157 | Wheelwright Machines | 7 | 5 | 5 | 7 | 15 | 39 |
201 | Distillation: Processes, Thermolytic | 5 | 14 | 12 | 3 | 5 | 39 |
289 | Knots and Knot Tying | 5 | 9 | 3 | 7 | 5 | 29 |
171 | Unearthing Plants or Buried Objects | 5 | 5 | 6 | 2 | 7 | 25 |
295 | Railway Wheels and Axles | 4 | 4 | 0 | 9 | 2 | 19 |
449 | Bee Culture (propagating, raising, caring for bees) | 3 | 7 | 3 | 3 | 3 | 19 |
185 | Motors: Spring, Weight, or Animal Powered | 0 | 4 | 3 | 5 | 4 | 16 |
196 | Mineral Oils: Apparatus | 2 | 4 | 5 | 2 | 3 | 16 |
217 | Wooden Receptacles | 2 | 0 | 5 | 5 | 3 | 15 |
142 | Wood Turning | 3 | 2 | 1 | 5 | 2 | 13 |
462 | Books, Strips, and Leaves for Manifolding | 2 | 2 | 2 | 3 | 3 | 12 |
260 | Chemistry of Carbon Compounds | 1 | 3 | 4 | 0 | 3 | 11 |
069 | Leather Manufactures | 2 | 3 | 1 | 2 | 2 | 10 |
334 | Tuners | 0 | 0 | 4 | 4 | 1 | 9 |
231 | Whips and Whip Apparatus | 0 | 1 | 0 | 0 | 4 | 5 |
291 | Track Sanders | 3 | 0 | 0 | 0 | 1 | 4 |
163 | Needle and Pin Making | 1 | 1 | 0 | 0 | 1 | 3 |
079 | Button Making | 0 | 0 | 0 | 1 | 1 | 2 |
245 | Wire Fabrics and Structure | 0 | 0 | 1 | 0 | 1 | 2 |
147 | Coopering | 0 | 0 | 1 | 0 | 0 | 1 |
ALL | ALL CLASSES | 109645 | 111983 | 147519 | 153485 | 157497 | 680129 |
U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231 tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/