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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In U.S. Metropolitan and Micropolitan Areas
Breakout By Technology Class

Count of 2000 - 2011 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

ALL METROPOLITAN AREAS

( Metropolitan Statistical Area )

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )
( patent counts may not sum exactly due to rounding - see the Explanation of Data )
( regional areas are based on U.S. Core Based Statistical Area (CBSA) )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed by year of patent grant.
Class Class Title 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 3798 4052 4256 3966 2902 2537 3176 2834 2620 2948 4087 3956 41132
370 Multiplex Communications 1076 1111 1236 1363 1692 1602 2290 1836 2443 2956 4005 4069 25677
438 Semiconductor Device Manufacturing: Process 1986 2429 2494 2299 2275 1995 2060 1995 1798 1848 2344 2132 25655
435 Chemistry: Molecular Biology and Microbiology 2228 2499 2242 1953 1699 1490 1888 1718 1544 1569 2106 2089 23024
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 877 873 920 909 1192 1151 1768 1671 1927 2334 3189 3296 20105
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1080 1220 1375 1705 1813 1683 1689 1521 1451 1447 2046 2004 19032
455 Telecommunications 994 927 867 895 1098 1083 1935 1703 1467 1655 2113 2661 17397
707 DP: Database and File Management or Data Structures (Data Processing) 694 699 957 1019 1042 888 1330 1188 1392 2025 3152 2921 17306
128 Surgery (includes Class 600) 1667 1497 1576 1676 1312 1008 1165 1004 875 1035 1625 1819 16257
532 Organic Compounds (includes Classes 532-570) 1340 1404 1543 1160 1013 914 1252 999 1108 1205 1388 1408 14734
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 600 395 365 366 258 603 997 929 1270 1603 3312 3365 14062
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1447 1544 1548 1360 1154 965 1042 904 755 825 1184 1200 13928
340 Communications: Electrical 908 838 757 608 891 877 1370 1047 1187 1159 1257 1308 12205
428 Stock Material or Miscellaneous Articles 1247 1233 1281 1353 1247 970 772 760 615 611 900 1048 12035
606 Surgery (instruments) 1200 1041 932 1183 834 700 794 748 569 767 1429 1717 11912
375 Pulse or Digital Communications 676 677 760 805 865 799 1229 1072 1147 1148 1398 1336 11911
382 Image Analysis 584 726 606 788 905 651 1077 1022 1059 1199 1495 1542 11652
714 Error Detection/Correction and Fault Detection/Recovery 587 623 607 822 817 735 1089 1114 1164 1200 1389 1291 11437
711 Memory (Electrical Computers and Digital Processing Systems) 645 752 843 867 935 892 1129 912 1047 1003 1079 1171 11275
345 Computer Graphics Processing and Selective Visual Display Systems 775 896 842 817 924 839 1187 920 820 930 1091 1151 11190
365 Static Information Storage and Retrieval 776 810 755 841 847 836 876 893 878 848 890 966 10215
324 Electricity: Measuring and Testing 641 778 1005 916 923 859 986 851 799 773 810 740 10081
361 Electricity: Electrical Systems and Devices 768 832 975 947 851 681 739 830 803 838 891 877 10031
073 Measuring and Testing 778 750 809 978 796 833 920 835 880 778 830 788 9974
439 Electrical Connectors 936 846 793 702 815 727 847 749 865 801 860 804 9744
604 Surgery (Medicators and Receptors) 851 893 814 1158 789 602 579 472 468 604 1187 1239 9654
713 Support (Electrical Computers and Digital Processing Systems) 348 416 373 457 572 645 1062 973 1076 1120 1334 1240 9615
385 Optical Waveguides 435 685 887 1006 1051 998 959 893 818 643 626 422 9421
250 Radiant Energy 509 651 672 735 791 672 987 792 928 880 902 735 9253
702 DP: Measuring, Calibrating, or Testing (Data Processing) 330 338 594 813 916 887 1002 879 820 757 867 946 9147
359 Optical: Systems and Elements 644 683 735 770 790 769 836 690 685 589 721 625 8536
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 525 517 486 475 459 546 761 721 749 943 1147 1031 8358
379 Telephonic Communications 608 667 686 702 881 643 909 668 531 545 667 824 8331
710 Input/Output (Electrical Computers and Digital Processing Systems) 739 656 618 685 857 614 735 518 564 643 793 686 8108
356 Optics: Measuring and Testing 519 374 429 636 633 563 771 768 841 746 752 689 7717
360 Dynamic Magnetic Information Storage or Retrieval 587 597 652 637 779 585 784 620 533 533 542 565 7413
029 Metal Working 621 685 624 658 630 566 702 567 464 521 675 671 7384
280 Land Vehicles 723 703 656 574 543 577 540 553 520 537 707 597 7231
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 349 529 572 564 588 524 473 482 480 506 726 919 6711
210 Liquid Purification or Separation 683 679 556 543 590 494 495 540 489 462 548 538 6615
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 574 677 706 660 580 519 615 515 402 433 471 418 6569
607 Surgery: Light, Thermal, and Electrical Application 392 432 437 472 438 411 576 583 378 501 825 931 6376
700 DP: Generic Control Systems or Specific Applications (Data Processing) 265 362 455 543 606 491 636 481 454 446 655 706 6097
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 341 291 302 430 433 338 590 586 652 654 727 720 6064
362 Illumination 463 484 465 476 420 442 549 581 450 500 625 579 6032
123 Internal-Combustion Engines 427 563 600 555 537 526 553 502 490 395 454 411 6012
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 417 504 478 542 516 377 456 393 339 442 668 824 5954
052 Static Structures (e.g., Buildings) 655 657 608 507 499 426 365 298 268 382 716 567 5946
348 Television 418 410 414 434 433 373 547 435 439 514 633 669 5718
717 DP: Software Development, Installation, and Management (Data Processing) 298 385 278 257 296 364 553 517 497 586 904 709 5643
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 645 637 583 558 505 355 436 356 315 305 400 329 5423
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 144 242 338 454 397 382 641 464 522 502 585 653 5324
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 399 387 356 342 310 296 476 620 602 472 527 488 5275
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 331 390 314 381 420 316 482 442 456 451 677 556 5215
060 Power Plants 310 417 479 426 432 419 472 338 301 401 555 606 5156
473 Games Using Tangible Projectile 381 378 423 425 390 396 456 401 355 364 525 552 5045
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 553 564 535 592 467 358 340 316 231 206 323 421 4904
347 Incremental Printing of Symbolic Information 437 584 638 590 478 377 315 296 277 224 353 332 4902
427 Coating Processes 536 468 471 514 430 340 245 278 271 358 522 467 4898
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 324 351 316 275 314 269 400 481 393 514 542 599 4777
726 Information Security 162 162 102 96 159 171 376 428 461 675 927 1002 4720
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 281 379 325 259 286 233 495 455 455 429 489 569 4655
219 Electric Heating 524 527 508 449 482 394 427 383 234 194 292 237 4651
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 359 386 374 402 343 277 276 337 332 359 581 588 4611
062 Refrigeration 412 508 536 525 383 304 387 399 267 230 319 320 4589
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 468 489 404 478 469 336 307 236 226 248 488 437 4584
326 Electronic Digital Logic Circuitry 359 394 383 356 351 345 346 392 357 328 384 277 4272
248 Supports (e.g., for holding articles, etc.) 492 400 472 452 275 234 287 276 219 313 446 370 4236
296 Land Vehicles: Bodies and Tops 341 376 303 343 363 360 403 385 331 300 404 290 4196
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 300 364 361 369 362 293 305 271 243 296 508 465 4135
206 Special Receptacle or Package 507 416 368 337 295 336 289 249 336 267 369 356 4124
174 Electricity: Conductors and Insulators 274 476 460 360 324 359 344 332 318 305 285 270 4105
358 Facsimile and Static Presentation Processing 244 222 254 277 276 293 446 392 401 399 439 462 4104
341 Coded Data Generation or Conversion 224 372 397 378 351 327 387 375 373 302 322 270 4077
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 297 330 353 352 347 256 321 294 318 368 359 429 4022
137 Fluid Handling 482 525 376 357 318 354 354 262 237 232 274 250 4020
343 Communications: Radio Wave Antennas 315 394 401 293 281 380 364 283 288 290 308 286 3881
310 Electrical Generator or Motor Structure 295 310 283 262 403 337 286 211 255 300 344 310 3594
451 Abrading 328 456 418 414 354 386 409 252 138 121 117 140 3531
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 378 377 282 224 253 253 257 240 289 263 341 345 3501
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 195 178 127 124 180 264 443 345 340 377 445 472 3489
426 Food or Edible Material: Processes, Compositions, and Products 515 495 394 376 289 174 212 171 127 156 219 241 3367
482 Exercise Devices 273 249 231 231 215 177 302 233 231 328 434 443 3346
463 Amusement Devices: Games 129 186 163 249 262 231 194 212 294 255 542 617 3333
436 Chemistry: Analytical and Immunological Testing 228 254 290 294 261 236 202 253 251 272 379 410 3328
297 Chairs and Seats 350 230 257 302 318 222 285 237 251 241 304 289 3284
330 Amplifiers 229 232 282 326 323 221 324 325 266 255 266 228 3276
244 Aeronautics and Astronautics 290 298 276 284 276 255 243 230 194 233 286 386 3248
378 X-Ray or Gamma Ray Systems or Devices 216 277 312 215 223 213 276 264 266 306 284 241 3093
002 Apparel 397 360 336 220 264 228 270 166 142 126 263 282 3053
372 Coherent Light Generators 240 242 210 298 394 270 275 201 204 224 254 207 3017
015 Brushing, Scrubbing, and General Cleaning 354 270 260 254 211 187 202 225 217 194 312 277 2962
398 Optical Communications 143 148 188 219 177 168 290 299 270 323 321 378 2923
222 Dispensing (apparatus and process) 340 380 326 233 238 219 232 176 123 140 254 220 2879
204 Chemistry: Electrical and Wave Energy 334 366 354 291 248 208 168 171 148 148 222 211 2868
005 Beds 231 227 217 259 261 256 250 189 248 210 268 235 2849
239 Fluid Sprinkling, Spraying, and Diffusing 347 239 234 274 274 253 268 188 129 150 221 179 2756
725 Interactive Video Distribution Systems 112 140 113 146 159 118 241 193 156 295 451 519 2643
706 DP: Artificial Intelligence (Data Processing) 85 89 104 182 111 142 163 149 235 343 456 528 2587
315 Electric Lamp and Discharge Devices: Systems 244 251 265 271 222 194 209 182 170 160 165 245 2579
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 283 290 309 268 233 160 182 147 162 155 196 193 2578
423 Chemistry of Inorganic Compounds 193 188 193 205 184 152 218 184 188 235 355 278 2571
180 Motor Vehicles 174 181 211 225 174 191 186 202 196 217 291 274 2520
381 Electrical Audio Signal Processing Systems and Devices 178 135 135 164 192 136 262 221 180 196 266 383 2446
252 Compositions 257 229 174 245 201 130 198 158 186 169 220 264 2431
119 Animal Husbandry 216 220 255 270 180 186 197 175 155 147 199 230 2429
318 Electricity: Motive Power Systems 253 213 201 180 206 179 241 196 184 183 177 209 2421
033 Geometrical Instruments 163 193 213 200 197 215 207 208 185 182 209 188 2359
134 Cleaning and Liquid Contact with Solids 248 222 261 288 207 170 145 148 138 154 178 196 2352
220 Receptacles 273 274 226 167 148 122 173 134 119 173 219 283 2311
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 74 124 129 105 199 195 232 134 246 279 281 268 2266
273 Amusement Devices: Games 219 222 218 218 151 139 160 173 173 165 193 145 2175
399 Electrophotography 176 200 192 197 177 135 180 198 149 127 192 206 2129
323 Electricity: Power Supply or Regulation Systems 148 166 150 155 146 136 188 161 178 195 229 239 2091
333 Wave Transmission Lines and Networks 131 112 163 228 221 207 193 170 156 150 190 161 2081
118 Coating Apparatus 272 274 241 216 168 134 124 108 106 110 146 152 2051
175 Boring or Penetrating the Earth 161 194 172 149 138 113 153 143 165 168 240 252 2047
380 Cryptography 123 125 83 54 76 138 219 218 163 255 280 289 2022
351 Optics: Eye Examining, Vision Testing and Correcting 160 147 125 155 143 138 159 172 211 178 207 211 2005
084 Music 186 144 130 115 123 95 139 173 183 228 257 213 1985
053 Package Making 209 171 158 176 193 187 158 111 168 150 144 151 1976
414 Material or Article Handling 285 203 225 226 182 126 131 115 93 113 141 134 1973
004 Baths, Closets, Sinks, and Spittoons 223 220 244 194 197 155 140 118 99 84 124 173 1969
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 194 158 180 175 161 164 150 142 124 158 200 158 1964
114 Ships 190 184 170 174 146 202 208 174 142 118 133 120 1960
433 Dentistry 222 266 219 150 159 153 197 157 105 62 119 145 1954
708 Arithmetic Processing and Calculating (Electrical Computers) 180 173 155 149 171 145 203 123 171 145 163 168 1945
040 Card, Picture, or Sign Exhibiting 181 169 178 214 181 134 137 141 160 121 153 176 1943
106 Compositions: Coating or Plastic 178 184 199 190 206 115 144 139 127 119 189 148 1936
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 76 94 90 93 146 142 188 142 161 192 294 295 1913
313 Electric Lamp and Discharge Devices 177 162 167 225 218 149 154 127 102 116 160 159 1913
211 Supports: Racks 214 212 201 202 167 162 154 135 76 80 138 173 1912
331 Oscillators 122 148 109 170 173 142 179 183 170 180 186 148 1910
405 Hydraulic and Earth Engineering 163 152 173 176 162 160 209 124 143 130 155 141 1884
417 Pumps 262 250 247 207 145 100 135 95 92 94 104 147 1876
307 Electrical Transmission or Interconnection Systems 151 120 128 140 131 69 135 113 132 207 260 292 1876
415 Rotary Kinetic Fluid Motors or Pumps 117 125 201 164 141 162 184 126 120 138 185 205 1867
363 Electric Power Conversion Systems 202 201 193 142 122 126 125 110 119 140 164 176 1818
198 Conveyors: Power-Driven 162 186 195 179 140 144 154 148 126 117 140 125 1815
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 153 186 158 145 161 106 172 178 125 116 143 154 1796
446 Amusement Devices: Toys 231 181 185 250 181 116 105 91 77 78 131 136 1760
434 Education and Demonstration 214 162 182 208 177 156 134 118 84 89 98 134 1755
320 Electricity: Battery or Capacitor Charging or Discharging 182 182 139 117 97 106 68 80 103 202 240 226 1741
416 Fluid Reaction Surfaces (i.e., Impellers) 114 139 162 117 113 109 132 124 128 145 176 272 1730
043 Fishing, Trapping, and Vermin Destroying 198 135 169 201 166 148 121 103 95 88 145 114 1681
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 149 182 162 162 196 158 154 134 73 88 119 94 1669
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 156 236 195 158 168 123 110 96 78 101 113 129 1662
165 Heat Exchange 146 154 139 125 180 176 229 126 92 74 104 101 1645
095 Gas Separation: Processes 119 110 159 182 124 99 117 101 135 112 159 199 1616
036 Boots, Shoes, and Leggings 139 107 101 103 113 126 148 116 137 122 195 162 1568
081 Tools 190 211 133 114 119 126 178 159 81 48 94 104 1555
475 Planetary Gear Transmission Systems or Components 87 54 78 126 145 89 143 169 130 116 181 213 1531
242 Winding, Tensioning, or Guiding 190 155 180 163 147 105 121 107 112 68 81 88 1515
585 Chemistry of Hydrocarbon Compounds 114 110 133 96 101 79 100 128 146 144 161 188 1500
074 Machine Element or Mechanism 233 197 148 146 104 86 93 113 66 98 110 108 1500
285 Pipe Joints or Couplings 132 133 154 128 126 113 134 73 120 133 131 104 1479
024 Buckles, Buttons, Clasps, Etc. 146 155 183 157 100 80 114 110 100 93 106 100 1443
030 Cutlery 160 142 148 146 126 110 126 87 76 82 115 119 1437
162 Paper Making and Fiber Liberation 164 178 185 137 111 72 90 89 68 76 124 133 1426
072 Metal Deforming 135 142 95 115 112 109 177 132 111 104 85 105 1420
602 Surgery: Splint, Brace, or Bandage 157 116 105 126 99 114 122 78 71 106 152 168 1413
228 Metal Fusion Bonding 170 167 138 123 113 115 85 68 99 76 119 109 1381
224 Package and Article Carriers 179 180 176 154 165 99 75 63 57 39 95 95 1375
216 Etching a Substrate: Processes 122 118 137 134 130 113 123 106 101 88 85 105 1362
251 Valves and Valve Actuation 166 111 104 120 125 162 166 95 63 76 95 80 1362
083 Cutting 144 141 99 125 148 96 139 89 62 83 113 112 1351
200 Electricity: Circuit Makers and Breakers 123 86 104 116 156 121 140 94 111 105 84 90 1329
369 Dynamic Information Storage or Retrieval 147 129 104 140 113 103 100 83 88 74 95 136 1312
367 Communications, Electrical: Acoustic Wave Systems and Devices 141 97 85 88 90 83 96 115 108 125 142 122 1290
042 Firearms 49 101 122 114 99 72 85 91 90 87 155 186 1250
188 Brakes 106 164 176 130 95 102 112 77 59 85 69 72 1245
070 Locks 137 112 132 140 106 100 93 75 92 69 75 89 1220
208 Mineral Oils: Processes and Products 133 114 104 91 84 62 77 73 92 94 149 141 1214
148 Metal Treatment 142 152 145 145 104 79 72 62 55 77 98 73 1204
099 Foods and Beverages: Apparatus 162 149 118 123 108 71 86 50 73 70 98 92 1199
396 Photography 153 118 108 119 117 54 56 45 68 86 128 104 1156
101 Printing 145 137 126 130 168 81 117 54 50 45 45 48 1143
055 Gas Separation 95 87 102 78 75 68 55 92 107 109 125 149 1142
047 Plant Husbandry 155 128 143 138 83 71 68 47 31 64 106 99 1132
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 125 96 64 112 106 68 56 65 74 89 142 122 1119
294 Handling: Hand and Hoist-Line Implements 152 121 131 92 48 57 94 85 71 68 99 100 1118
056 Harvesters 126 100 104 103 89 98 82 59 62 82 117 95 1116
290 Prime-Mover Dynamo Plants 37 52 48 47 84 73 112 106 113 125 123 174 1093
102 Ammunition and Explosives 76 111 105 106 78 81 87 61 87 80 103 118 1091
401 Coating Implements with Material Supply 108 139 102 104 98 80 92 94 71 62 77 61 1087
277 Seal for a Joint or Juncture 125 145 151 125 102 90 74 42 59 31 59 71 1073
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 86 103 76 92 102 116 97 75 65 72 111 67 1062
160 Flexible or Portable Closure, Partition, or Panel 160 123 102 99 100 81 82 69 42 59 72 68 1057
312 Supports: Cabinet Structure 145 106 126 132 106 89 76 49 46 45 73 65 1057
404 Road Structure, Process, or Apparatus 79 59 84 87 90 64 111 89 90 79 105 95 1032
241 Solid Material Comminution or Disintegration 86 63 75 85 54 64 86 103 71 97 108 139 1030
353 Optics: Image Projectors 22 43 58 84 104 98 128 113 121 79 62 111 1023
366 Agitating (e.g., of articles and materials) 95 100 81 87 90 76 71 88 88 64 81 87 1008
271 Sheet Feeding or Delivering 93 125 87 116 74 60 57 49 66 80 95 90 992
349 Liquid Crystal Cells, Elements and Systems 106 92 73 99 93 97 76 59 62 69 69 92 987
016 Miscellaneous Hardware 92 87 107 107 85 79 99 61 41 61 84 80 981
108 Horizontally Supported Planar Surfaces 120 100 103 96 99 75 71 48 49 60 77 79 975
292 Closure Fasteners 117 53 105 116 71 69 87 81 69 63 81 57 969
209 Classifying, Separating, and Assorting Solids 103 111 90 87 88 70 61 68 71 53 71 79 952
386 Motion Video Signal Processing for Recording or Reproducing 57 59 73 66 74 66 75 116 95 86 97 86 950
374 Thermal Measuring and Testing 94 70 75 80 62 71 86 46 82 94 110 76 946
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 105 103 82 72 86 80 84 58 59 44 86 86 945
229 Envelopes, Wrappers, and Paperboard Boxes 134 121 98 82 42 67 51 58 52 65 92 75 937
089 Ordnance 47 69 64 79 73 54 51 49 74 86 124 162 929
221 Article Dispensing 76 107 69 109 81 65 100 70 54 46 73 68 916
403 Joints and Connections 108 128 120 106 90 67 53 38 55 39 51 45 899
431 Combustion 120 105 99 95 96 92 54 44 31 57 56 50 898
132 Toilet 146 125 95 86 66 38 42 72 40 41 51 73 875
034 Drying and Gas or Vapor Contact with Solids 150 105 92 72 87 81 79 36 52 24 36 61 874
227 Elongated-Member-Driving Apparatus 48 49 39 49 68 48 66 63 57 87 126 172 871
126 Stoves and Furnaces 121 103 70 85 95 84 40 24 31 37 92 86 867
181 Acoustics 89 59 75 79 58 56 36 56 74 81 89 113 865
254 Implements or Apparatus for Applying Pushing or Pulling Force 76 80 66 90 66 74 90 70 69 61 64 61 865
182 Fire Escape, Ladder, or Scaffold 102 70 104 84 95 85 90 65 37 20 51 62 862
440 Marine Propulsion 70 108 99 81 68 68 85 69 64 50 52 46 858
400 Typewriting Machines 96 85 110 92 103 98 74 55 38 31 35 37 853
164 Metal Founding 50 76 99 113 70 75 78 81 46 42 53 66 849
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 92 98 76 79 70 34 32 40 51 59 108 108 847
096 Gas Separation: Apparatus 63 62 75 74 77 54 51 58 62 81 93 91 841
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 116 114 142 174 83 63 7 6 22 23 33 43 826
135 Tent, Canopy, Umbrella, or Cane 68 99 72 44 64 42 51 61 49 77 92 97 816
049 Movable or Removable Closures 111 90 83 68 89 68 63 39 42 41 60 56 810
192 Clutches and Power-Stop Control 90 68 67 82 82 54 86 66 57 43 51 63 809
601 Surgery: Kinesitherapy 60 85 67 62 65 52 73 75 75 47 55 74 789
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 70 70 56 71 79 73 65 75 66 48 53 45 771
215 Bottles and Jars 97 76 72 63 54 61 59 55 46 43 74 70 769
138 Pipes and Tubular Conduits 109 92 70 71 56 57 47 45 38 60 57 69 769
454 Ventilation 92 101 85 87 81 64 58 31 30 51 44 43 766
124 Mechanical Guns and Projectors 65 55 44 66 96 58 50 57 49 43 94 86 762
136 Batteries: Thermoelectric and Photoelectric 79 87 57 54 46 25 33 45 31 55 106 141 759
355 Photocopying 56 53 55 72 76 94 88 74 57 35 45 54 759
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 81 78 86 82 74 47 39 41 53 55 62 57 754
336 Inductor Devices 42 47 55 51 56 80 84 71 40 47 69 96 738
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 89 70 69 82 80 41 55 39 33 47 56 60 721
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 99 63 47 76 71 62 54 41 59 46 47 40 705
383 Flexible Bags 100 94 72 52 45 64 48 42 30 37 37 35 656
384 Bearings 62 79 74 71 51 51 51 39 46 42 42 40 647
065 Glass Manufacturing 69 86 73 69 82 36 32 35 36 27 44 54 643
410 Freight Accommodation On Freight Carrier 57 55 43 59 62 49 55 48 48 44 65 56 640
368 Horology: Time Measuring Systems or Devices 42 65 47 54 59 43 66 51 60 35 59 58 638
261 Gas and Liquid Contact Apparatus 61 65 51 61 58 32 60 41 48 43 45 63 627
441 Buoys, Rafts, and Aquatic Devices 54 52 61 55 55 54 71 59 46 32 46 35 619
037 Excavating 68 62 69 56 53 42 44 32 18 45 81 45 615
507 Earth Boring, Well Treating, and Oil Field Chemistry 42 40 22 36 36 28 45 40 35 67 88 112 591
392 Electric Resistance Heating Devices 72 60 49 36 49 61 58 52 20 22 47 52 578
269 Work Holders 81 64 69 63 48 51 43 33 19 13 32 56 572
477 Interrelated Power Delivery Controls, Including Engine Control 50 40 41 43 29 37 41 50 39 52 68 66 556
501 Compositions: Ceramic 54 67 49 50 45 41 48 28 22 42 62 41 549
044 Fuel and Related Compositions 61 56 41 50 57 28 15 35 34 52 56 64 548
303 Fluid-Pressure and Analogous Brake Systems 64 81 67 56 36 36 40 28 37 28 43 31 547
152 Resilient Tires and Wheels 49 45 78 58 46 42 53 37 35 31 32 40 546
301 Land Vehicles: Wheels and Axles 55 60 66 57 46 42 48 29 35 27 37 31 532
267 Spring Devices 63 68 83 51 42 31 31 29 38 25 25 36 521
172 Earth Working 65 62 50 40 47 51 42 23 11 33 49 41 514
408 Cutting by Use of Rotating Axially Moving Tool 41 65 49 51 28 34 50 49 28 38 35 35 502
452 Butchering 55 52 28 34 25 31 58 40 48 45 42 41 498
116 Signals and Indicators 39 42 51 39 45 41 29 35 33 40 55 28 476
445 Electric Lamp or Space Discharge Component or Device Manufacturing 67 46 48 58 48 41 45 21 17 25 27 24 467
144 Woodworking 46 39 46 45 24 21 40 28 35 29 48 61 460
418 Rotary Expansible Chamber Devices 93 62 47 40 36 23 25 23 18 27 27 35 455
376 Induced Nuclear Reactions: Processes, Systems, and Elements 39 62 50 48 45 33 23 11 18 46 35 44 454
236 Automatic Temperature and Humidity Regulation 36 42 36 36 36 31 34 39 26 32 57 47 452
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 43 64 37 32 42 37 51 21 31 26 23 40 447
504 Plant Protecting and Regulating Compositions 81 71 59 47 37 31 24 17 11 13 22 31 444
256 Fences 43 49 33 49 31 42 43 25 33 36 31 25 440
283 Printed Matter 93 81 47 35 44 25 21 17 16 8 21 30 435
474 Endless Belt Power Transmission Systems or Components 57 41 47 49 31 32 35 29 16 17 39 40 433
105 Railway Rolling Stock 37 51 46 40 30 31 28 24 26 32 39 42 426
092 Expansible Chamber Devices 26 48 58 48 31 33 38 41 34 24 20 23 424
169 Fire Extinguishers 60 23 37 30 22 32 39 26 34 27 61 29 420
131 Tobacco 42 28 31 33 44 26 18 26 20 24 65 59 416
223 Apparel Apparatus 63 57 40 29 34 29 23 42 29 12 26 25 408
472 Amusement Devices 39 28 32 37 32 32 26 22 23 17 53 49 390
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 44 42 51 27 21 19 26 35 21 31 27 38 382
177 Weighing Scales 27 32 43 37 42 27 31 40 21 30 22 18 370
104 Railways 32 43 44 44 21 21 20 16 24 28 38 34 365
111 Planting 34 34 25 39 35 23 28 28 27 33 33 20 359
122 Liquid Heaters and Vaporizers 41 36 28 37 32 32 22 23 30 25 27 21 354
100 Presses 25 23 17 36 28 34 35 35 35 26 24 34 352
112 Sewing 38 55 25 21 35 26 29 21 29 24 24 21 348
173 Tool Driving or Impacting 28 34 21 28 27 25 37 21 25 29 35 30 340
409 Gear Cutting, Milling, or Planing 54 25 40 20 23 32 32 28 27 15 16 20 332
051 Abrasive Tool Making Process, Material, or Composition 30 39 36 43 37 20 13 26 15 27 7 39 332
450 Foundation Garments 35 31 33 15 24 28 28 28 22 22 33 32 331
149 Explosive and Thermic Compositions or Charges 51 38 27 36 34 36 17 2 5 8 24 51 329
293 Vehicle Fenders 14 31 26 31 31 33 31 30 25 26 18 18 314
063 Jewelry 29 21 41 38 31 15 27 28 26 17 22 16 311
110 Furnaces 32 45 38 22 19 36 30 17 16 14 24 13 306
048 Gas: Heating and Illuminating 12 9 2 15 19 15 23 30 35 43 42 57 302
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 33 40 29 31 20 12 19 19 14 22 39 22 300
249 Static Molds 20 29 24 30 44 22 35 25 11 14 16 21 291
266 Metallurgical Apparatus 41 29 26 27 20 19 14 17 16 31 21 29 290
338 Electrical Resistors 39 32 30 28 19 15 35 26 14 8 26 15 287
337 Electricity: Electrothermally or Thermally Actuated Switches 31 15 24 45 35 22 7 13 20 24 24 23 283
322 Electricity: Single Generator Systems 23 24 14 17 16 18 30 24 31 30 21 31 279
419 Powder Metallurgy Processes 31 33 19 30 22 18 13 15 21 27 29 18 275
091 Motors: Expansible Chamber Type 16 40 27 32 31 28 25 23 11 15 9 13 269
432 Heating 33 43 36 44 21 19 12 10 14 6 10 14 261
082 Turning (e.g., for metal working) 22 37 21 37 16 14 14 13 16 21 25 23 259
014 Bridges 21 16 29 20 24 19 22 22 16 21 15 33 258
588 Hazardous or Toxic Waste Destruction or Containment 34 36 32 18 9 11 15 15 14 17 22 33 256
232 Deposit and Collection Receptacles 11 19 15 12 19 19 31 42 32 17 15 13 245
184 Lubrication 33 28 27 21 14 17 22 14 9 7 21 25 238
407 Cutters, for Shaping 25 14 14 30 28 17 25 16 19 18 8 24 238
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 26 26 20 38 25 11 19 10 15 6 14 25 235
007 Compound Hand Tools 27 27 24 19 23 27 26 16 7 11 10 16 233
125 Stone Working 26 34 24 10 20 21 28 15 15 6 19 14 232
194 Check-Actuated Control Mechanisms 44 34 13 20 18 25 14 11 6 11 22 14 232
066 Textiles: Knitting 28 29 15 14 20 19 20 10 10 21 15 22 222
460 Crop Threshing or Separating 11 19 15 16 24 16 15 16 18 24 23 22 219
190 Trunks and Hand-Carried Luggage 22 21 17 28 14 17 26 13 15 13 8 22 216
299 Mining or In Situ Disintegration of Hard Material 16 14 16 12 13 9 16 10 39 18 20 33 216
068 Textiles: Fluid Treating Apparatus 20 17 23 23 7 8 8 17 16 26 23 25 213
505 Superconductor Technology: Apparatus, Material, Process 34 31 24 24 15 14 10 9 7 11 19 15 212
494 Imperforate Bowl: Centrifugal Separators 26 19 22 27 20 10 21 8 11 13 13 21 210
279 Chucks or Sockets 23 37 14 29 15 17 8 11 15 13 13 15 210
720 Dynamic Optical Information Storage or Retrieval 9 14 18 12 20 13 24 11 25 21 20 20 207
406 Conveyors: Fluid Current 23 24 34 24 19 4 20 10 7 10 12 15 202
139 Textiles: Weaving 32 26 14 9 16 20 19 11 7 17 17 10 198
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 40 14 33 17 15 23 15 6 9 6 6 11 195
246 Railway Switches and Signals 20 20 21 25 16 9 16 10 12 10 21 14 194
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 36 29 19 16 20 15 11 9 8 8 16 6 192
071 Chemistry: Fertilizers 18 26 35 15 13 10 7 4 4 12 24 22 190
281 Books, Strips, and Leaves 38 32 22 8 18 13 8 4 11 6 22 8 189
057 Textiles: Spinning, Twisting, and Twining 16 24 22 14 17 10 15 19 13 14 8 10 182
270 Sheet-Material Associating 10 16 14 15 18 5 8 6 11 31 20 23 177
054 Harness for Working Animal 21 14 19 20 18 7 15 20 14 16 3 5 171
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 27 21 10 13 11 15 20 18 9 5 13 8 169
150 Purses, Wallets, and Protective Covers 18 17 15 18 11 7 8 12 9 21 20 11 167
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 11 11 14 31 32 28 1 0 0 5 17 15 165
203 Distillation: Processes, Separatory 22 18 26 12 7 15 9 8 13 9 12 13 164
420 Alloys or Metallic Compositions 17 20 21 19 18 9 5 2 13 7 20 10 161
305 Wheel Substitutes for Land Vehicles 27 22 26 14 9 8 4 5 11 6 8 16 156
028 Textiles: Manufacturing 18 12 18 18 14 7 20 16 7 13 4 6 153
027 Undertaking 10 15 4 14 10 6 7 23 16 10 11 24 149
332 Modulators 9 18 12 17 8 9 9 6 3 12 26 19 148
202 Distillation: Apparatus 13 17 9 16 11 7 13 9 12 9 13 15 144
225 Severing by Tearing or Breaking 9 10 14 15 23 15 16 12 6 5 9 6 140
212 Traversing Hoists 25 10 8 13 8 6 15 7 13 13 9 10 136
193 Conveyors, Chutes, Skids, Guides, and Ways 19 17 20 13 11 7 12 6 9 6 10 5 135
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 8 28 14 7 16 8 13 8 3 12 8 7 132
298 Land Vehicles: Dumping 13 20 10 11 14 11 9 7 8 4 10 13 130
352 Optics: Motion Pictures 6 12 13 18 20 7 18 8 8 7 6 5 128
373 Industrial Electric Heating Furnaces 23 14 14 8 14 6 13 9 9 2 5 3 120
038 Textiles: Ironing or Smoothing 11 16 13 10 12 8 12 11 6 6 9 6 120
238 Railways: Surface Track 10 9 17 10 12 6 11 5 9 6 13 11 119
140 Wireworking 15 12 12 11 7 5 19 10 13 3 2 5 113
237 Heating Systems 14 16 11 17 13 8 11 3 3 2 4 6 108
226 Advancing Material of Indeterminate Length 21 16 17 13 6 6 8 8 5 2 1 2 105
412 Bookbinding: Process and Apparatus 14 11 10 15 10 8 6 3 5 7 12 4 105
213 Railway Draft Appliances 13 13 12 4 7 4 6 8 6 8 13 8 102
059 Chain, Staple, and Horseshoe Making 7 11 11 8 9 13 11 4 8 6 4 8 100
512 Perfume Compositions 14 7 6 12 4 5 12 10 8 7 11 4 100
076 Metal Tools and Implements, Making 18 10 7 12 5 3 3 12 3 3 12 10 98
086 Ammunition and Explosive-Charge Making 4 11 9 13 5 9 11 6 6 9 11 5 98
476 Friction Gear Transmission Systems or Components 4 4 4 2 6 8 17 14 10 1 8 11 89
492 Roll or Roller 7 8 12 10 9 8 5 5 4 3 6 7 84
453 Coin Handling 10 9 5 16 10 2 4 3 2 4 4 1 70
012 Boot and Shoe Making 2 7 3 1 5 2 6 5 7 6 13 12 69
157 Wheelwright Machines 8 9 2 6 3 6 4 7 8 7 4 4 68
329 Demodulators 11 8 6 6 9 2 5 2 6 6 2 4 66
019 Textiles: Fiber Preparation 7 12 9 4 0 0 5 4 6 6 9 3 65
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 7 7 5 4 7 5 10 2 7 3 5 3 65
127 Sugar, Starch, and Carbohydrates 8 16 8 2 4 1 3 6 2 3 7 5 65
186 Merchandising 7 5 5 11 8 3 3 5 3 4 3 5 62
168 Farriery 9 7 11 8 3 3 3 3 5 5 2 0 59
191 Electricity: Transmission To Vehicles 6 6 6 9 7 2 5 1 2 4 0 9 57
289 Knots and Knot Tying 5 10 6 6 3 1 3 2 3 5 3 4 51
109 Safes, Bank Protection, or a Related Device 9 5 5 6 5 7 1 1 4 1 4 2 50
388 Electricity: Motor Control Systems 9 4 4 3 5 3 4 4 4 4 4 1 49
483 Tool Changing 8 3 6 7 2 5 1 3 6 4 2 0 47
026 Textiles: Cloth Finishing 6 10 3 4 5 2 3 3 2 1 5 2 46
346 Recorders 19 3 6 2 0 1 4 3 2 0 1 0 41
178 Telegraphy 7 5 7 4 8 1 2 2 1 1 1 0 39
201 Distillation: Processes, Thermolytic 2 1 1 2 2 0 5 0 3 6 9 7 38
413 Sheet Metal Container Making 5 3 3 5 9 1 3 3 2 1 0 3 38
087 Textiles: Braiding, Netting, and Lace Making 5 3 5 2 2 1 1 3 3 1 3 4 33
023 Chemistry: Physical Processes 3 3 1 4 0 2 2 4 2 1 4 6 32
159 Concentrating Evaporators 1 1 4 0 1 8 1 2 2 0 4 8 32
449 Bee Culture (propagating, raising, caring for bees) 1 0 4 2 3 2 3 1 0 3 1 3 23
300 Brush, Broom, and Mop Making 0 4 5 4 0 3 0 0 0 0 5 1 22
171 Unearthing Plants or Buried Objects 3 3 3 0 0 0 3 0 1 1 5 1 20
185 Motors: Spring, Weight, or Animal Powered 4 2 3 2 2 1 1 0 0 0 1 0 16
462 Books, Strips, and Leaves for Manifolding 2 4 4 1 0 0 0 1 1 0 0 0 13
291 Track Sanders 1 0 1 1 1 3 1 1 0 2 1 1 13
196 Mineral Oils: Apparatus 1 0 0 0 0 0 1 0 2 1 1 6 12
295 Railway Wheels and Axles 1 2 2 3 2 1 0 1 0 0 0 0 12
334 Tuners 1 0 2 1 0 1 2 1 1 1 1 0 11
260 Chemistry of Carbon Compounds 1 5 0 0 1 0 0 0 0 1 0 1 9
217 Wooden Receptacles 0 0 1 0 0 1 1 0 2 0 3 0 8
234 Selective Cutting (e.g., Punching) 0 0 0 0 1 0 2 0 1 0 1 0 5
069 Leather Manufactures 0 1 0 0 0 1 0 1 0 1 0 0 4
079 Button Making 1 0 1 1 0 1 0 0 0 0 0 0 4
231 Whips and Whip Apparatus 2 0 0 0 0 0 0 0 1 1 0 0 4
142 Wood Turning 1 1 0 0 0 0 0 0 0 1 0 0 3
147 Coopering 0 1 0 0 0 0 0 0 0 0 1 0 2
245 Wire Fabrics and Structure 1 0 0 0 0 1 0 0 0 0 0 0 2
163 Needle and Pin Making 1 0 0 0 0 0 0 0 0 0 0 0 1
314 Electric Lamp and Discharge Devices: Consumable Electrodes 0 0 0 0 0 0 0 0 0 1 0 0 1
ALL ALL CLASSES 80230 82755 82372 83245 79782 70838 85465 75753 74027 78799 103117 103888 1000271


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Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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