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

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2008 - 2012 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 COUNTRIES

( 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 )

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 2008 2009 2010 2011 2012 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 4760 5287 7509 7461 9176 34193
370 Multiplex Communications 4517 5282 7380 7681 8350 33210
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 4112 4670 6870 7004 6866 29522
438 Semiconductor Device Manufacturing: Process 4519 4906 6124 5897 5160 26606
455 Telecommunications 3115 3358 4282 5540 7569 23864
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 2678 3288 4633 4848 5291 20738
707 DP: Database and File Management or Data Structures (Data Processing) 1902 2811 4438 4230 4973 18354
382 Image Analysis 2421 2616 3335 3703 5127 17202
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1687 1992 4054 4054 4842 16629
345 Computer Graphics Processing and Selective Visual Display Systems 2334 2573 3298 3500 4838 16543
435 Chemistry: Molecular Biology and Microbiology 2675 2702 3700 3729 3698 16504
532 Organic Compounds (includes Classes 532-570) 2624 2762 3209 3314 3680 15589
375 Pulse or Digital Communications 2268 2271 3008 3043 4338 14928
348 Television 1624 1938 2323 2758 4317 12960
365 Static Information Storage and Retrieval 2326 2379 2722 2756 2659 12842
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1762 1917 3008 3016 2912 12615
128 Surgery (includes Class 600) 1396 1638 2637 2844 3615 12130
361 Electricity: Electrical Systems and Devices 2001 2121 2492 2595 2639 11848
714 Error Detection/Correction and Fault Detection/Recovery 1953 2092 2373 2382 2475 11275
428 Stock Material or Miscellaneous Articles 1584 1702 2483 2745 2674 11188
340 Communications: Electrical 1895 1864 2191 2268 2741 10959
713 Support (Electrical Computers and Digital Processing Systems) 1850 1865 2239 2173 2608 10735
359 Optical: Systems and Elements 2056 2028 2365 2254 2011 10714
439 Electrical Connectors 2173 2068 2389 2243 1816 10689
250 Radiant Energy 2205 2177 2268 1839 2078 10567
347 Incremental Printing of Symbolic Information 1826 1677 2263 2256 2276 10298
711 Memory (Electrical Computers and Digital Processing Systems) 1737 1603 1753 2041 2519 9653
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1150 1210 1787 2131 3210 9488
073 Measuring and Testing 1913 1724 1925 1881 1996 9439
358 Facsimile and Static Presentation Processing 1351 1450 1681 1921 2528 8931
324 Electricity: Measuring and Testing 1692 1734 1980 1734 1768 8908
606 Surgery (instruments) 760 1007 1874 2194 2888 8723
399 Electrophotography 1297 1298 1748 1873 1978 8194
356 Optics: Measuring and Testing 1661 1575 1703 1557 1401 7897
349 Liquid Crystal Cells, Elements and Systems 995 1407 1678 1842 1861 7783
362 Illumination 1194 1344 1814 1627 1780 7759
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1407 1302 1535 1652 1793 7689
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 1027 1344 1715 1531 1956 7573
604 Surgery (Medicators and Receptors) 748 907 1718 1830 2199 7402
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 746 992 1708 1599 1941 6986
029 Metal Working 1029 1117 1489 1515 1819 6969
726 Information Security 709 981 1364 1534 2236 6824
280 Land Vehicles 1217 1170 1571 1351 1227 6536
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1034 1235 1509 1327 1226 6331
123 Internal-Combustion Engines 1503 1135 1275 1129 1260 6302
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1109 1128 1375 1305 1353 6270
310 Electrical Generator or Motor Structure 966 1205 1396 1405 1202 6174
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 907 1089 1421 1290 1309 6016
700 DP: Generic Control Systems or Specific Applications (Data Processing) 902 851 1264 1362 1597 5976
369 Dynamic Information Storage or Retrieval 1144 1049 1290 1384 1078 5945
385 Optical Waveguides 1615 1314 1248 823 938 5938
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1079 1015 1186 1268 1244 5792
717 DP: Software Development, Installation, and Management (Data Processing) 711 829 1314 1100 1512 5466
060 Power Plants 706 906 1146 1214 1464 5436
360 Dynamic Magnetic Information Storage or Retrieval 1082 1133 1054 1060 1073 5402
210 Liquid Purification or Separation 925 844 1006 1041 1189 5005
313 Electric Lamp and Discharge Devices 719 825 1134 1163 1120 4961
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 802 762 964 1079 1330 4937
379 Telephonic Communications 701 780 930 1107 1395 4913
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 617 691 1147 1149 1302 4906
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 685 841 983 1032 1316 4857
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 825 789 947 1052 1182 4795
381 Electrical Audio Signal Processing Systems and Devices 465 488 673 1057 2072 4755
427 Coating Processes 556 724 1113 1048 1307 4748
607 Surgery: Light, Thermal, and Electrical Application 471 607 970 1143 1333 4524
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 448 612 927 1146 1293 4426
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 743 691 1061 857 1069 4421
052 Static Structures (e.g., Buildings) 398 601 1107 939 1211 4256
463 Amusement Devices: Games 413 379 801 946 1673 4212
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 503 524 1113 1005 963 4108
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 551 482 796 1098 1143 4070
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 901 746 823 840 693 4003
343 Communications: Radio Wave Antennas 808 784 833 754 760 3939
341 Coded Data Generation or Conversion 881 744 795 758 644 3822
296 Land Vehicles: Bodies and Tops 701 660 860 708 823 3752
180 Motor Vehicles 609 681 863 766 785 3704
398 Optical Communications 598 634 711 763 897 3603
174 Electricity: Conductors and Insulators 623 620 671 731 911 3556
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 538 684 705 801 749 3477
318 Electricity: Motive Power Systems 581 612 641 749 827 3410
473 Games Using Tangible Projectile 531 545 734 748 791 3349
248 Supports (e.g., for holding articles, etc.) 419 597 806 689 797 3308
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 510 563 679 719 832 3303
725 Interactive Video Distribution Systems 233 494 718 841 1007 3293
315 Electric Lamp and Discharge Devices: Systems 499 418 517 730 1065 3229
219 Electric Heating 573 486 664 581 903 3207
378 X-Ray or Gamma Ray Systems or Devices 608 698 740 608 530 3184
423 Chemistry of Inorganic Compounds 409 537 801 673 698 3118
252 Compositions 435 432 640 712 828 3047
706 DP: Artificial Intelligence (Data Processing) 348 473 636 759 814 3030
062 Refrigeration 556 480 696 669 608 3009
297 Chairs and Seats 547 547 674 612 628 3008
330 Amplifiers 638 612 666 554 503 2973
326 Electronic Digital Logic Circuitry 657 578 745 603 335 2918
386 Motion Video Signal Processing for Recording or Reproducing 486 484 573 596 768 2907
380 Cryptography 372 487 580 609 773 2821
436 Chemistry: Analytical and Immunological Testing 418 428 642 693 637 2818
372 Coherent Light Generators 487 577 726 547 479 2816
396 Photography 364 612 746 588 454 2764
206 Special Receptacle or Package 524 445 631 569 589 2758
320 Electricity: Battery or Capacitor Charging or Discharging 245 500 618 548 801 2712
323 Electricity: Power Supply or Regulation Systems 371 488 572 593 597 2621
244 Aeronautics and Astronautics 280 358 483 658 835 2614
307 Electrical Transmission or Interconnection Systems 316 430 553 659 634 2592
137 Fluid Handling 442 407 528 472 717 2566
482 Exercise Devices 360 458 650 678 392 2538
015 Brushing, Scrubbing, and General Cleaning 391 381 576 557 588 2493
271 Sheet Feeding or Delivering 338 436 560 566 536 2436
415 Rotary Kinetic Fluid Motors or Pumps 285 298 406 468 896 2353
333 Wave Transmission Lines and Networks 425 490 478 473 460 2326
084 Music 422 482 557 446 389 2296
204 Chemistry: Electrical and Wave Energy 315 310 480 533 648 2286
074 Machine Element or Mechanism 340 375 470 474 607 2266
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 424 405 529 521 354 2233
363 Electric Power Conversion Systems 329 395 471 475 530 2200
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 414 351 461 495 479 2200
106 Compositions: Coating or Plastic 364 327 507 422 476 2096
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 220 261 411 398 798 2088
351 Optics: Eye Examining, Vision Testing and Correcting 415 379 437 451 390 2072
426 Food or Edible Material: Processes, Compositions, and Products 241 285 438 460 587 2011
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 282 371 519 396 438 2006
331 Oscillators 376 407 448 408 350 1989
416 Fluid Reaction Surfaces (i.e., Impellers) 237 255 306 490 674 1962
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 333 361 391 394 473 1952
222 Dispensing (apparatus and process) 236 264 487 426 490 1903
417 Pumps 228 244 311 402 717 1902
220 Receptacles 186 291 387 466 542 1872
353 Optics: Image Projectors 340 249 315 512 446 1862
134 Cleaning and Liquid Contact with Solids 263 287 389 442 465 1846
198 Conveyors: Power-Driven 332 315 422 407 369 1845
005 Beds 350 330 402 354 395 1831
475 Planetary Gear Transmission Systems or Components 280 297 347 403 481 1808
033 Geometrical Instruments 380 374 394 371 285 1804
200 Electricity: Circuit Makers and Breakers 324 350 319 368 423 1784
239 Fluid Sprinkling, Spraying, and Diffusing 291 293 447 394 342 1767
118 Coating Apparatus 255 257 355 395 475 1737
355 Photocopying 397 282 319 350 379 1727
175 Boring or Penetrating the Earth 278 256 384 382 356 1656
451 Abrading 319 292 296 319 418 1644
002 Apparel 217 173 401 422 422 1635
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 272 296 328 373 339 1608
053 Package Making 356 308 321 297 291 1573
119 Animal Husbandry 232 229 305 361 404 1531
708 Arithmetic Processing and Calculating (Electrical Computers) 304 280 313 312 321 1530
072 Metal Deforming 307 258 272 292 386 1515
290 Prime-Mover Dynamo Plants 239 249 261 346 401 1496
055 Gas Separation 252 276 305 357 301 1491
148 Metal Treatment 198 227 337 305 392 1459
095 Gas Separation: Processes 210 189 296 340 381 1416
165 Heat Exchange 252 251 306 290 303 1402
414 Material or Article Handling 224 244 304 316 311 1399
285 Pipe Joints or Couplings 276 269 320 265 259 1389
241 Solid Material Comminution or Disintegration 187 238 302 331 270 1328
585 Chemistry of Hydrocarbon Compounds 242 230 248 298 305 1323
162 Paper Making and Fiber Liberation 200 191 268 309 340 1308
405 Hydraulic and Earth Engineering 243 228 287 279 270 1307
384 Bearings 209 224 262 266 336 1297
188 Brakes 240 211 230 266 341 1288
216 Etching a Substrate: Processes 232 197 210 297 352 1288
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 175 176 254 279 362 1246
367 Communications, Electrical: Acoustic Wave Systems and Devices 239 217 276 238 275 1245
228 Metal Fusion Bonding 199 176 313 288 263 1239
036 Boots, Shoes, and Leggings 203 184 272 234 269 1162
114 Ships 259 201 212 230 252 1154
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 145 215 258 274 258 1150
336 Inductor Devices 185 152 256 292 263 1148
242 Winding, Tensioning, or Guiding 290 223 235 222 175 1145
040 Card, Picture, or Sign Exhibiting 220 184 235 241 249 1129
477 Interrelated Power Delivery Controls, Including Engine Control 170 183 215 225 319 1112
273 Amusement Devices: Games 222 228 260 204 192 1106
374 Thermal Measuring and Testing 164 217 221 186 298 1086
251 Valves and Valve Actuation 179 174 223 207 295 1078
024 Buckles, Buttons, Clasps, Etc. 200 181 204 216 259 1060
004 Baths, Closets, Sinks, and Spittoons 138 111 189 258 359 1055
227 Elongated-Member-Driving Apparatus 142 159 223 264 262 1050
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 180 180 235 249 204 1048
192 Clutches and Power-Stop Control 174 162 214 210 284 1044
030 Cutlery 163 170 204 253 245 1035
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 135 188 230 192 289 1034
099 Foods and Beverages: Apparatus 168 161 239 195 254 1017
433 Dentistry 170 105 212 233 292 1012
083 Cutting 142 157 213 243 254 1009
602 Surgery: Splint, Brace, or Bandage 115 149 226 258 249 997
042 Firearms 133 135 212 240 276 996
720 Dynamic Optical Information Storage or Retrieval 254 198 167 195 180 994
208 Mineral Oils: Processes and Products 163 165 245 221 195 989
096 Gas Separation: Apparatus 151 190 206 185 246 978
136 Batteries: Thermoelectric and Photoelectric 59 82 195 291 349 976
181 Acoustics 142 151 202 227 220 942
101 Printing 200 167 192 193 188 940
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 133 143 209 180 270 935
211 Supports: Racks 112 107 201 270 244 934
501 Compositions: Ceramic 135 190 209 189 205 928
081 Tools 205 115 194 210 203 927
070 Locks 204 153 158 188 217 920
312 Supports: Cabinet Structure 113 113 208 187 297 918
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 122 173 204 210 203 912
366 Agitating (e.g., of articles and materials) 182 125 163 184 257 911
089 Ordnance 104 133 185 229 256 907
056 Harvesters 140 156 216 183 176 871
368 Horology: Time Measuring Systems or Devices 197 151 191 159 172 870
102 Ammunition and Explosives 140 132 171 200 224 867
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 127 145 248 197 141 858
292 Closure Fasteners 171 151 170 163 198 853
401 Coating Implements with Material Supply 161 128 162 154 231 836
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 221 148 160 123 183 835
294 Handling: Hand and Hoist-Line Implements 119 128 161 169 233 810
164 Metal Founding 104 105 151 207 241 808
434 Education and Demonstration 111 105 130 175 281 802
446 Amusement Devices: Toys 127 122 181 194 169 793
209 Classifying, Separating, and Assorting Solids 144 113 151 196 174 778
152 Resilient Tires and Wheels 125 120 134 170 223 772
404 Road Structure, Process, or Apparatus 139 143 159 165 161 767
043 Fishing, Trapping, and Vermin Destroying 130 131 195 155 155 766
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 75 100 184 196 195 750
474 Endless Belt Power Transmission Systems or Components 92 82 175 221 175 745
065 Glass Manufacturing 103 84 146 195 203 731
418 Rotary Expansible Chamber Devices 133 147 145 142 164 731
400 Typewriting Machines 153 122 142 140 152 709
507 Earth Boring, Well Treating, and Oil Field Chemistry 66 118 181 200 142 707
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 96 79 169 172 188 704
270 Sheet-Material Associating 75 119 139 207 163 703
277 Seal for a Joint or Juncture 111 68 157 172 194 702
160 Flexible or Portable Closure, Partition, or Panel 98 112 179 141 167 697
049 Movable or Removable Closures 87 110 149 132 205 683
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 130 132 146 130 134 672
440 Marine Propulsion 168 140 107 121 135 671
445 Electric Lamp or Space Discharge Component or Device Manufacturing 94 119 143 164 147 667
034 Drying and Gas or Vapor Contact with Solids 156 75 82 161 190 664
047 Plant Husbandry 49 105 168 159 181 662
403 Joints and Connections 132 110 131 120 159 652
303 Fluid-Pressure and Analogous Brake Systems 142 95 131 130 152 650
601 Surgery: Kinesitherapy 111 91 118 154 167 641
138 Pipes and Tubular Conduits 89 137 134 141 134 635
126 Stoves and Furnaces 61 70 169 156 178 634
254 Implements or Apparatus for Applying Pushing or Pulling Force 138 112 122 111 150 633
224 Package and Article Carriers 85 60 132 145 199 621
173 Tool Driving or Impacting 109 93 125 132 158 617
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 103 81 127 134 164 609
108 Horizontally Supported Planar Surfaces 71 88 130 132 179 600
261 Gas and Liquid Contact Apparatus 98 103 103 128 160 592
135 Tent, Canopy, Umbrella, or Cane 89 116 123 141 109 578
124 Mechanical Guns and Projectors 76 80 146 144 129 575
215 Bottles and Jars 69 83 122 125 164 563
132 Toilet 71 81 87 128 182 549
068 Textiles: Fluid Treating Apparatus 93 113 105 112 110 533
037 Excavating 42 115 169 101 87 514
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 136 93 103 83 94 509
229 Envelopes, Wrappers, and Paperboard Boxes 77 90 137 111 82 497
504 Plant Protecting and Regulating Compositions 46 56 93 90 196 481
048 Gas: Heating and Illuminating 69 81 86 103 139 478
269 Work Holders 52 34 69 126 190 471
267 Spring Devices 102 65 76 97 129 469
431 Combustion 57 101 103 108 98 467
044 Fuel and Related Compositions 66 81 93 105 112 457
410 Freight Accommodation On Freight Carrier 83 72 93 97 107 452
144 Woodworking 83 65 109 127 63 447
221 Article Dispensing 81 73 111 104 75 444
392 Electric Resistance Heating Devices 57 63 94 111 114 439
266 Metallurgical Apparatus 57 84 88 103 106 438
408 Cutting by Use of Rotating Axially Moving Tool 81 89 81 86 93 430
182 Fire Escape, Ladder, or Scaffold 47 33 78 115 153 426
452 Butchering 84 89 91 80 74 418
454 Ventilation 71 98 87 76 84 416
112 Sewing 76 69 65 90 112 412
092 Expansible Chamber Devices 103 75 86 76 70 410
338 Electrical Resistors 47 49 97 99 112 404
172 Earth Working 37 70 100 82 78 367
376 Induced Nuclear Reactions: Processes, Systems, and Elements 40 61 70 90 106 367
104 Railways 51 66 86 67 92 362
236 Automatic Temperature and Humidity Regulation 41 47 105 91 75 359
407 Cutters, for Shaping 65 77 57 82 66 347
131 Tobacco 34 43 95 91 73 336
100 Presses 97 54 51 61 72 335
105 Railway Rolling Stock 47 54 73 77 82 333
301 Land Vehicles: Wheels and Axles 75 63 64 83 43 328
177 Weighing Scales 68 71 63 51 65 318
409 Gear Cutting, Milling, or Planing 82 63 51 69 51 316
322 Electricity: Single Generator Systems 62 75 48 63 65 313
116 Signals and Indicators 57 63 82 57 53 312
383 Flexible Bags 45 55 63 67 76 306
441 Buoys, Rafts, and Aquatic Devices 65 51 69 53 67 305
472 Amusement Devices 36 25 80 84 72 297
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 31 55 92 66 53 297
066 Textiles: Knitting 49 72 73 70 32 296
111 Planting 59 61 70 54 48 292
293 Vehicle Fenders 56 52 48 62 72 290
082 Turning (e.g., for metal working) 38 52 63 68 68 289
139 Textiles: Weaving 55 80 69 37 35 276
299 Mining or In Situ Disintegration of Hard Material 67 43 43 63 60 276
169 Fire Extinguishers 50 35 80 38 62 265
057 Textiles: Spinning, Twisting, and Twining 57 40 52 54 59 262
122 Liquid Heaters and Vaporizers 51 56 51 48 56 262
337 Electricity: Electrothermally or Thermally Actuated Switches 49 58 61 44 43 255
419 Powder Metallurgy Processes 43 48 71 49 43 254
450 Foundation Garments 43 35 48 48 75 249
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 37 41 50 55 64 247
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 40 32 40 54 81 247
420 Alloys or Metallic Compositions 32 38 60 50 65 245
194 Check-Actuated Control Mechanisms 18 36 68 40 73 235
184 Lubrication 31 18 50 69 66 234
256 Fences 48 53 44 44 41 230
505 Superconductor Technology: Apparatus, Material, Process 14 33 52 45 86 230
091 Motors: Expansible Chamber Type 48 49 34 52 40 223
014 Bridges 31 40 37 60 54 222
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 26 30 63 63 40 222
149 Explosive and Thermic Compositions or Charges 8 14 40 79 78 219
051 Abrasive Tool Making Process, Material, or Composition 29 40 21 68 60 218
332 Modulators 18 32 64 55 42 211
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 33 20 47 48 57 205
494 Imperforate Bowl: Centrifugal Separators 37 29 33 47 52 198
203 Distillation: Processes, Separatory 33 40 28 36 55 192
223 Apparel Apparatus 43 21 43 37 45 189
432 Heating 40 30 44 42 33 189
279 Chucks or Sockets 29 25 34 43 57 188
110 Furnaces 32 22 51 29 53 187
212 Traversing Hoists 45 42 40 29 31 187
283 Printed Matter 30 18 46 46 45 185
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 14 23 36 34 77 184
588 Hazardous or Toxic Waste Destruction or Containment 20 28 42 41 45 176
460 Crop Threshing or Separating 26 34 38 34 40 172
249 Static Molds 23 27 36 42 43 171
071 Chemistry: Fertilizers 14 18 47 42 49 170
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 1 12 36 47 69 165
019 Textiles: Fiber Preparation 27 32 46 27 15 147
063 Jewelry 37 25 29 26 30 147
406 Conveyors: Fluid Current 27 30 30 28 32 147
305 Wheel Substitutes for Land Vehicles 26 20 38 38 23 145
059 Chain, Staple, and Horseshoe Making 34 34 26 26 23 143
038 Textiles: Ironing or Smoothing 26 22 30 21 43 142
027 Undertaking 33 23 22 31 26 135
028 Textiles: Manufacturing 38 33 24 19 20 134
125 Stone Working 30 13 29 32 28 132
202 Distillation: Apparatus 21 22 25 29 29 126
232 Deposit and Collection Receptacles 42 22 22 18 21 125
238 Railways: Surface Track 14 10 34 33 32 123
246 Railway Switches and Signals 19 20 27 24 29 119
512 Perfume Compositions 18 22 39 15 20 114
190 Trunks and Hand-Carried Luggage 21 20 19 32 21 113
492 Roll or Roller 12 18 25 29 29 113
412 Bookbinding: Process and Apparatus 13 15 34 22 28 112
329 Demodulators 16 21 19 23 26 105
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 16 20 39 16 13 104
054 Harness for Working Animal 25 25 9 12 22 93
150 Purses, Wallets, and Protective Covers 10 24 25 14 20 93
476 Friction Gear Transmission Systems or Components 21 15 14 17 18 85
483 Tool Changing 28 21 12 9 15 85
225 Severing by Tearing or Breaking 12 14 19 14 25 84
157 Wheelwright Machines 18 17 15 12 17 79
281 Books, Strips, and Leaves 13 10 28 11 13 75
298 Land Vehicles: Dumping 12 6 16 22 19 75
193 Conveyors, Chutes, Skids, Guides, and Ways 15 19 15 15 9 73
086 Ammunition and Explosive-Charge Making 14 14 18 13 12 71
012 Boot and Shoe Making 11 9 17 16 17 70
213 Railway Draft Appliances 10 15 19 12 14 70
127 Sugar, Starch, and Carbohydrates 5 6 15 18 25 69
007 Compound Hand Tools 10 13 15 17 13 68
201 Distillation: Processes, Thermolytic 5 9 16 19 19 68
076 Metal Tools and Implements, Making 8 11 14 13 21 67
352 Optics: Motion Pictures 12 11 13 12 17 65
023 Chemistry: Physical Processes 7 9 11 19 15 61
388 Electricity: Motor Control Systems 14 11 18 12 6 61
453 Coin Handling 14 16 16 4 9 59
140 Wireworking 19 7 7 14 10 57
237 Heating Systems 11 5 11 13 16 56
191 Electricity: Transmission To Vehicles 2 11 10 18 14 55
226 Advancing Material of Indeterminate Length 18 5 10 12 5 50
300 Brush, Broom, and Mop Making 8 8 10 9 13 48
087 Textiles: Braiding, Netting, and Lace Making 7 3 9 9 14 42
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 16 6 6 9 5 42
159 Concentrating Evaporators 4 7 9 9 8 37
373 Industrial Electric Heating Furnaces 11 3 10 7 6 37
178 Telegraphy 2 1 5 7 21 36
026 Textiles: Cloth Finishing 4 4 9 4 13 34
109 Safes, Bank Protection, or a Related Device 7 4 7 3 12 33
289 Knots and Knot Tying 4 7 3 8 7 29
168 Farriery 6 9 3 0 2 20
171 Unearthing Plants or Buried Objects 1 2 7 6 3 19
186 Merchandising 3 4 3 7 2 19
196 Mineral Oils: Apparatus 2 4 2 7 4 19
413 Sheet Metal Container Making 6 1 2 4 5 18
449 Bee Culture (propagating, raising, caring for bees) 3 4 3 6 2 18
069 Leather Manufactures 1 4 5 4 3 17
260 Chemistry of Carbon Compounds 5 3 2 2 0 12
334 Tuners 2 3 5 0 1 11
185 Motors: Spring, Weight, or Animal Powered 0 2 2 2 4 10
217 Wooden Receptacles 2 0 3 2 2 9
346 Recorders 2 1 1 1 4 9
231 Whips and Whip Apparatus 3 1 2 1 0 7
234 Selective Cutting (e.g., Punching) 3 0 2 0 1 6
291 Track Sanders 1 2 1 1 1 6
295 Railway Wheels and Axles 1 1 3 0 1 6
245 Wire Fabrics and Structure 1 0 0 2 0 3
462 Books, Strips, and Leaves for Manifolding 2 0 0 0 1 3
079 Button Making 0 1 1 0 0 2
147 Coopering 0 0 1 1 0 2
314 Electric Lamp and Discharge Devices: Consumable Electrodes 0 2 0 0 0 2
001 ** Classification Undetermined ** 0 0 0 0 1 1
142 Wood Turning 0 1 0 0 0 1
258 Railway Mail Delivery 0 0 0 0 1 1
ALL ALL CLASSES 157772 167349 219614 224505 253155 1022395


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