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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 2007 - 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

UNITED STATES, ALL REGIONS

( 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 either by year of patent grant or by year of patent application.
Class Class Title 2007 2008 2009 2010 2011 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 2886 2667 2992 4188 4043 16776
370 Multiplex Communications 1846 2457 2969 4031 4084 15387
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1681 1946 2359 3219 3324 12529
707 DP: Database and File Management or Data Structures (Data Processing) 1208 1401 2040 3194 2968 10811
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 941 1297 1624 3370 3411 10643
438 Semiconductor Device Manufacturing: Process 2015 1821 1873 2361 2151 10221
455 Telecommunications 1725 1479 1679 2136 2689 9708
435 Chemistry: Molecular Biology and Microbiology 1756 1583 1601 2173 2128 9241
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1546 1472 1464 2066 2026 8574
128 Surgery (includes Class 600) 1035 908 1074 1679 1891 6587
382 Image Analysis 1034 1075 1209 1519 1564 6401
532 Organic Compounds (includes Classes 532-570) 1028 1145 1238 1421 1453 6285
714 Error Detection/Correction and Fault Detection/Recovery 1124 1176 1212 1404 1300 6216
340 Communications: Electrical 1099 1225 1204 1306 1356 6190
375 Pulse or Digital Communications 1086 1153 1157 1413 1349 6158
713 Support (Electrical Computers and Digital Processing Systems) 980 1083 1132 1348 1251 5794
606 Surgery (instruments) 780 598 803 1504 1787 5472
711 Memory (Electrical Computers and Digital Processing Systems) 921 1056 1012 1087 1186 5262
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 940 805 860 1252 1271 5128
345 Computer Graphics Processing and Selective Visual Display Systems 931 831 945 1111 1168 4986
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 727 764 949 1159 1039 4638
365 Static Information Storage and Retrieval 903 885 850 902 989 4529
702 DP: Measuring, Calibrating, or Testing (Data Processing) 910 854 777 898 982 4421
361 Electricity: Electrical Systems and Devices 863 835 871 921 913 4403
250 Radiant Energy 818 950 909 938 764 4379
073 Measuring and Testing 895 929 827 881 841 4373
439 Electrical Connectors 794 900 838 916 850 4298
428 Stock Material or Miscellaneous Articles 798 634 654 967 1111 4164
324 Electricity: Measuring and Testing 888 820 805 845 774 4132
604 Surgery (Medicators and Receptors) 486 478 624 1221 1286 4095
356 Optics: Measuring and Testing 796 871 770 789 713 3939
385 Optical Waveguides 924 859 678 657 442 3560
726 Information Security 432 466 686 937 1015 3536
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 614 675 671 758 763 3481
359 Optical: Systems and Elements 715 711 620 735 641 3422
280 Land Vehicles 628 595 596 797 678 3294
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 614 523 674 715 755 3281
379 Telephonic Communications 675 537 555 674 834 3275
717 DP: Software Development, Installation, and Management (Data Processing) 522 503 587 919 713 3244
607 Surgery: Light, Thermal, and Electrical Application 587 379 506 831 939 3242
710 Input/Output (Electrical Computers and Digital Processing Systems) 524 566 652 799 696 3237
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 493 492 521 744 954 3204
029 Metal Working 612 500 557 714 733 3116
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 557 560 533 779 631 3060
362 Illumination 627 484 547 681 628 2967
210 Liquid Purification or Separation 599 540 510 614 601 2864
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 421 351 471 720 887 2850
700 DP: Generic Control Systems or Specific Applications (Data Processing) 498 485 462 673 727 2845
360 Dynamic Magnetic Information Storage or Retrieval 624 540 539 550 570 2823
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 470 529 507 588 661 2755
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 625 608 478 534 498 2743
348 Television 441 446 522 642 684 2735
052 Static Structures (e.g., Buildings) 331 303 434 777 636 2481
123 Internal-Combustion Engines 560 539 432 487 434 2452
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 459 458 433 496 574 2420
060 Power Plants 373 322 431 584 636 2346
473 Games Using Tangible Projectile 433 376 389 548 590 2336
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 357 346 370 600 618 2291
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 522 406 438 475 424 2265
358 Facsimile and Static Presentation Processing 396 405 402 445 467 2115
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 353 345 385 451 481 2015
427 Coating Processes 290 286 378 547 493 1994
463 Amusement Devices: Games 218 307 263 559 643 1990
296 Land Vehicles: Bodies and Tops 426 365 331 438 317 1877
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 288 249 306 519 475 1837
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 299 329 375 369 440 1812
482 Exercise Devices 246 250 356 476 476 1804
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 259 249 272 525 472 1777
248 Supports (e.g., for holding articles, etc.) 302 236 339 488 408 1773
326 Electronic Digital Logic Circuitry 394 359 331 390 282 1756
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 358 322 314 407 333 1734
706 DP: Artificial Intelligence (Data Processing) 151 237 347 462 535 1732
062 Refrigeration 440 291 254 356 340 1681
206 Special Receptacle or Package 265 355 284 393 376 1673
341 Coded Data Generation or Conversion 376 379 311 329 277 1672
725 Interactive Video Distribution Systems 197 156 299 455 528 1635
436 Chemistry: Analytical and Immunological Testing 259 254 280 399 430 1622
174 Electricity: Conductors and Insulators 358 336 328 309 283 1614
398 Optical Communications 300 274 328 327 382 1611
347 Incremental Printing of Symbolic Information 316 309 245 374 353 1597
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 327 246 218 342 459 1592
310 Electrical Generator or Motor Structure 225 269 315 366 328 1503
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 243 292 265 345 352 1497
343 Communications: Radio Wave Antennas 288 297 295 316 291 1487
297 Chairs and Seats 261 284 265 341 312 1463
219 Electric Heating 406 261 215 310 256 1448
137 Fluid Handling 289 267 254 307 272 1389
378 X-Ray or Gamma Ray Systems or Devices 269 268 311 290 245 1383
244 Aeronautics and Astronautics 244 196 241 299 401 1381
330 Amplifiers 327 270 258 268 229 1352
180 Motor Vehicles 223 226 252 343 307 1351
015 Brushing, Scrubbing, and General Cleaning 260 232 216 346 296 1350
423 Chemistry of Inorganic Compounds 194 201 259 380 307 1341
005 Beds 210 280 246 299 267 1302
381 Electrical Audio Signal Processing Systems and Devices 231 187 199 271 396 1284
380 Cryptography 221 166 257 286 291 1221
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 135 247 282 283 268 1215
084 Music 185 198 246 277 230 1136
372 Coherent Light Generators 201 208 239 272 214 1134
033 Geometrical Instruments 254 226 210 225 215 1130
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 145 165 196 295 296 1097
119 Animal Husbandry 219 183 170 229 272 1073
002 Apparel 185 156 133 289 309 1072
175 Boring or Penetrating the Earth 161 187 186 260 271 1065
252 Compositions 173 196 176 239 280 1064
351 Optics: Eye Examining, Vision Testing and Correcting 184 220 189 222 228 1043
307 Electrical Transmission or Interconnection Systems 117 141 210 267 303 1038
220 Receptacles 147 128 187 246 320 1028
323 Electricity: Power Supply or Regulation Systems 164 178 201 231 244 1018
222 Dispensing (apparatus and process) 187 139 150 276 235 987
318 Electricity: Motive Power Systems 202 192 191 184 218 987
239 Fluid Sprinkling, Spraying, and Diffusing 211 142 168 250 210 981
426 Food or Edible Material: Processes, Compositions, and Products 188 137 164 235 255 979
315 Electric Lamp and Discharge Devices: Systems 191 179 167 174 262 973
204 Chemistry: Electrical and Wave Energy 185 156 157 234 227 959
399 Electrophotography 206 157 137 200 214 914
273 Amusement Devices: Games 189 184 179 200 154 906
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 155 167 159 202 203 886
331 Oscillators 187 171 184 187 152 881
320 Electricity: Battery or Capacitor Charging or Discharging 82 106 209 247 235 879
416 Fluid Reaction Surfaces (i.e., Impellers) 128 136 148 181 277 870
134 Cleaning and Liquid Contact with Solids 159 147 162 187 211 866
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 155 135 174 218 180 862
475 Planetary Gear Transmission Systems or Components 179 134 122 189 223 847
333 Wave Transmission Lines and Networks 174 157 151 190 163 835
451 Abrading 259 149 129 128 152 817
415 Rotary Kinetic Fluid Motors or Pumps 136 123 140 195 221 815
040 Card, Picture, or Sign Exhibiting 150 167 131 169 194 811
405 Hydraulic and Earth Engineering 145 166 155 178 156 800
585 Chemistry of Hydrocarbon Compounds 133 153 150 168 196 800
114 Ships 206 165 139 147 139 796
106 Compositions: Coating or Plastic 154 141 129 205 156 785
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 193 134 130 155 170 782
036 Boots, Shoes, and Leggings 122 147 135 209 168 781
053 Package Making 126 176 166 152 160 780
708 Arithmetic Processing and Calculating (Electrical Computers) 123 172 149 164 169 777
198 Conveyors: Power-Driven 171 145 141 164 148 769
095 Gas Separation: Processes 103 148 118 172 217 758
414 Material or Article Handling 144 121 149 172 170 756
363 Electric Power Conversion Systems 113 121 143 166 182 725
290 Prime-Mover Dynamo Plants 118 125 135 147 186 711
313 Electric Lamp and Discharge Devices 132 106 120 167 171 696
042 Firearms 104 106 98 169 207 684
043 Fishing, Trapping, and Vermin Destroying 123 118 114 177 137 669
211 Supports: Racks 146 86 92 152 193 669
055 Gas Separation 98 121 119 146 173 657
118 Coating Apparatus 113 109 116 150 164 652
241 Solid Material Comminution or Disintegration 121 89 121 140 169 640
367 Communications, Electrical: Acoustic Wave Systems and Devices 116 115 127 151 128 637
602 Surgery: Splint, Brace, or Bandage 90 78 115 166 186 635
004 Baths, Closets, Sinks, and Spittoons 126 106 86 129 184 631
285 Pipe Joints or Couplings 80 137 140 146 117 620
417 Pumps 117 100 108 117 164 606
433 Dentistry 158 110 64 122 147 601
072 Metal Deforming 147 117 107 98 115 584
208 Mineral Oils: Processes and Products 80 102 97 157 147 583
227 Elongated-Member-Driving Apparatus 72 78 98 143 181 572
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 151 79 96 130 105 561
081 Tools 178 97 57 106 116 554
404 Road Structure, Process, or Apparatus 105 107 96 129 117 554
024 Buckles, Buttons, Clasps, Etc. 115 108 103 115 111 552
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 102 89 106 121 130 548
446 Amusement Devices: Toys 96 84 85 136 146 547
434 Education and Demonstration 123 87 93 101 141 545
056 Harvesters 75 87 104 153 122 541
074 Machine Element or Mechanism 120 73 106 125 117 541
162 Paper Making and Fiber Liberation 94 77 82 144 143 540
165 Heat Exchange 141 96 82 112 105 536
089 Ordnance 53 78 93 133 176 533
030 Cutlery 100 85 89 126 129 529
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 70 80 98 149 130 527
200 Electricity: Circuit Makers and Breakers 102 119 114 90 100 525
242 Winding, Tensioning, or Guiding 129 126 81 88 95 519
102 Ammunition and Explosives 75 100 90 113 139 517
353 Optics: Image Projectors 119 123 81 66 119 508
083 Cutting 100 66 94 122 121 503
216 Etching a Substrate: Processes 108 104 93 86 106 497
228 Metal Fusion Bonding 71 101 80 126 114 492
369 Dynamic Information Storage or Retrieval 90 89 77 98 137 491
386 Motion Video Signal Processing for Recording or Reproducing 117 95 88 97 86 483
294 Handling: Hand and Hoist-Line Implements 103 83 74 106 115 481
366 Agitating (e.g., of articles and materials) 106 104 75 90 101 476
507 Earth Boring, Well Treating, and Oil Field Chemistry 56 47 94 133 145 475
251 Valves and Valve Actuation 104 74 84 110 97 469
396 Photography 49 71 92 128 109 449
181 Acoustics 63 75 89 90 123 440
099 Foods and Beverages: Apparatus 56 84 78 116 103 437
374 Thermal Measuring and Testing 49 87 100 114 79 429
070 Locks 83 97 74 78 91 423
271 Sheet Feeding or Delivering 57 70 90 101 103 421
292 Closure Fasteners 93 81 75 87 72 408
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 78 68 76 114 70 406
096 Gas Separation: Apparatus 60 63 88 96 97 404
224 Package and Article Carriers 70 70 45 110 107 402
254 Implements or Apparatus for Applying Pushing or Pulling Force 87 85 71 82 77 402
188 Brakes 89 65 89 74 80 397
135 Tent, Canopy, Umbrella, or Cane 66 51 81 98 100 396
136 Batteries: Thermoelectric and Photoelectric 46 32 59 108 149 394
209 Classifying, Separating, and Assorting Solids 75 78 61 80 91 385
401 Coating Implements with Material Supply 96 78 66 81 64 385
124 Mechanical Guns and Projectors 68 57 50 107 102 384
047 Plant Husbandry 53 32 74 117 106 382
148 Metal Treatment 64 57 78 106 76 381
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 41 53 64 109 114 381
229 Envelopes, Wrappers, and Paperboard Boxes 63 56 71 106 82 378
160 Flexible or Portable Closure, Partition, or Panel 76 48 67 93 76 360
016 Miscellaneous Hardware 66 45 64 97 84 356
349 Liquid Crystal Cells, Elements and Systems 59 62 70 69 96 356
336 Inductor Devices 78 44 54 76 103 355
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 65 60 47 93 89 354
192 Clutches and Power-Stop Control 78 67 49 68 82 344
601 Surgery: Kinesitherapy 79 77 48 55 77 336
164 Metal Founding 92 50 48 62 81 333
108 Horizontally Supported Planar Surfaces 49 50 63 84 86 332
221 Article Dispensing 74 56 51 78 72 331
410 Freight Accommodation On Freight Carrier 61 62 53 73 71 320
037 Excavating 41 26 69 114 68 318
440 Marine Propulsion 77 69 58 58 54 316
312 Supports: Cabinet Structure 57 54 50 81 71 313
126 Stoves and Furnaces 30 35 41 105 101 312
215 Bottles and Jars 58 47 49 77 79 310
138 Pipes and Tubular Conduits 52 44 65 68 75 304
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 42 58 60 72 66 298
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 76 67 50 54 47 294
477 Interrelated Power Delivery Controls, Including Engine Control 50 41 57 73 71 292
182 Fire Escape, Ladder, or Scaffold 78 42 24 63 83 290
277 Seal for a Joint or Juncture 48 61 33 68 78 288
132 Toilet 76 42 43 51 75 287
368 Horology: Time Measuring Systems or Devices 52 66 36 61 60 275
144 Woodworking 39 51 37 64 80 271
261 Gas and Liquid Contact Apparatus 52 52 51 49 65 269
049 Movable or Removable Closures 43 49 47 66 63 268
355 Photocopying 74 60 35 45 54 268
431 Combustion 50 36 62 66 54 268
501 Compositions: Ceramic 37 32 56 77 58 260
452 Butchering 50 55 51 48 52 256
044 Fuel and Related Compositions 37 35 52 62 69 255
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 45 67 48 50 45 255
065 Glass Manufacturing 45 40 36 51 82 254
101 Printing 56 51 45 51 51 254
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 40 34 49 62 68 253
403 Joints and Connections 41 56 44 58 54 253
441 Buoys, Rafts, and Aquatic Devices 64 51 36 48 39 238
034 Drying and Gas or Vapor Contact with Solids 40 60 26 38 71 235
172 Earth Working 30 25 49 70 52 226
384 Bearings 39 51 44 45 42 221
454 Ventilation 37 37 53 49 45 221
048 Gas: Heating and Illuminating 33 36 45 46 60 220
408 Cutting by Use of Rotating Axially Moving Tool 53 32 44 40 50 219
236 Automatic Temperature and Humidity Regulation 44 29 33 58 52 216
392 Electric Resistance Heating Devices 58 24 26 50 54 212
116 Signals and Indicators 38 38 45 57 30 208
400 Typewriting Machines 59 39 31 37 37 203
111 Planting 35 39 42 49 35 200
131 Tobacco 27 21 25 66 60 199
303 Fluid-Pressure and Analogous Brake Systems 34 46 32 49 37 198
383 Flexible Bags 44 34 40 39 41 198
169 Fire Extinguishers 30 39 29 65 29 192
152 Resilient Tires and Wheels 39 37 33 32 47 188
100 Presses 40 47 29 30 41 187
301 Land Vehicles: Wheels and Axles 32 40 31 42 38 183
269 Work Holders 41 24 15 38 64 182
418 Rotary Expansible Chamber Devices 36 27 33 32 54 182
472 Amusement Devices 25 26 21 56 54 182
105 Railway Rolling Stock 24 27 32 43 45 171
092 Expansible Chamber Devices 48 40 29 26 27 170
267 Spring Devices 34 40 26 29 41 170
474 Endless Belt Power Transmission Systems or Components 30 21 25 45 49 170
256 Fences 29 35 43 33 29 169
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 40 23 33 27 40 163
173 Tool Driving or Impacting 26 26 31 40 33 156
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 23 33 30 26 44 156
376 Induced Nuclear Reactions: Processes, Systems, and Elements 11 18 46 35 45 155
104 Railways 21 26 30 40 36 153
299 Mining or In Situ Disintegration of Hard Material 17 40 25 27 39 148
177 Weighing Scales 45 24 35 24 19 147
450 Foundation Garments 28 22 25 35 35 145
223 Apparel Apparatus 43 32 13 28 26 142
122 Liquid Heaters and Vaporizers 25 30 30 30 25 140
322 Electricity: Single Generator Systems 24 32 30 22 31 139
232 Deposit and Collection Receptacles 46 37 20 16 15 134
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 6 22 23 33 44 128
027 Undertaking 37 29 17 17 27 127
112 Sewing 22 30 26 26 22 126
266 Metallurgical Apparatus 19 17 34 22 34 126
409 Gear Cutting, Milling, or Planing 35 30 21 18 20 124
445 Electric Lamp or Space Discharge Component or Device Manufacturing 22 22 27 28 25 124
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 20 14 22 40 27 123
014 Bridges 25 18 23 15 40 121
293 Vehicle Fenders 31 26 27 19 18 121
051 Abrasive Tool Making Process, Material, or Composition 28 16 28 8 39 119
068 Textiles: Fluid Treating Apparatus 17 20 30 26 25 118
419 Powder Metallurgy Processes 16 23 28 30 20 117
460 Crop Threshing or Separating 20 20 26 24 24 114
063 Jewelry 29 26 19 22 17 113
082 Turning (e.g., for metal working) 15 17 26 28 27 113
337 Electricity: Electrothermally or Thermally Actuated Switches 13 24 25 25 24 111
588 Hazardous or Toxic Waste Destruction or Containment 15 14 19 23 33 104
270 Sheet-Material Associating 6 11 32 23 29 101
283 Printed Matter 18 19 9 23 32 101
249 Static Molds 30 14 15 18 22 99
149 Explosive and Thermic Compositions or Charges 2 5 9 26 56 98
720 Dynamic Optical Information Storage or Retrieval 11 26 21 20 20 98
066 Textiles: Knitting 11 12 29 21 24 97
407 Cutters, for Shaping 19 20 21 11 26 97
504 Plant Protecting and Regulating Compositions 18 11 13 22 33 97
110 Furnaces 18 20 15 27 16 96
338 Electrical Resistors 29 14 8 27 16 94
184 Lubrication 16 12 8 24 28 88
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 20 17 6 15 26 84
406 Conveyors: Fluid Current 19 13 13 18 18 81
150 Purses, Wallets, and Protective Covers 14 10 22 21 12 79
091 Motors: Expansible Chamber Type 24 13 17 11 13 78
246 Railway Switches and Signals 12 15 11 22 16 76
494 Imperforate Bowl: Centrifugal Separators 10 14 15 14 23 76
054 Harness for Working Animal 24 20 18 7 6 75
057 Textiles: Spinning, Twisting, and Twining 20 15 16 10 13 74
071 Chemistry: Fertilizers 5 4 13 25 26 73
125 Stone Working 16 16 6 21 14 73
190 Trunks and Hand-Carried Luggage 14 15 13 9 22 73
279 Chucks or Sockets 11 16 14 15 17 73
212 Traversing Hoists 10 17 18 13 14 72
007 Compound Hand Tools 20 9 12 12 17 70
139 Textiles: Weaving 12 8 19 18 12 69
505 Superconductor Technology: Apparatus, Material, Process 9 7 13 24 16 69
332 Modulators 6 3 12 26 19 66
194 Check-Actuated Control Mechanisms 11 6 11 22 15 65
202 Distillation: Apparatus 10 12 11 14 16 63
305 Wheel Substitutes for Land Vehicles 10 13 7 14 19 63
203 Distillation: Processes, Separatory 9 13 10 13 16 61
432 Heating 12 15 7 13 14 61
420 Alloys or Metallic Compositions 3 13 7 24 10 57
028 Textiles: Manufacturing 18 9 15 6 8 56
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 18 10 5 15 8 56
281 Books, Strips, and Leaves 4 11 8 23 9 55
298 Land Vehicles: Dumping 9 11 5 13 17 55
238 Railways: Surface Track 6 10 6 14 13 49
086 Ammunition and Explosive-Charge Making 7 9 12 13 6 47
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 9 8 8 16 6 47
476 Friction Gear Transmission Systems or Components 14 11 1 8 11 45
213 Railway Draft Appliances 8 6 9 13 8 44
012 Boot and Shoe Making 5 7 6 13 12 43
193 Conveyors, Chutes, Skids, Guides, and Ways 7 10 8 10 8 43
225 Severing by Tearing or Breaking 13 6 6 9 9 43
076 Metal Tools and Implements, Making 12 3 4 13 10 42
140 Wireworking 14 13 4 3 7 41
512 Perfume Compositions 10 8 7 12 4 41
157 Wheelwright Machines 9 10 7 6 8 40
038 Textiles: Ironing or Smoothing 12 6 6 9 6 39
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 8 4 12 8 7 39
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 6 9 7 6 11 39
059 Chain, Staple, and Horseshoe Making 8 8 6 4 11 37
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 5 17 15 37
352 Optics: Motion Pictures 9 8 7 6 5 35
412 Bookbinding: Process and Apparatus 3 5 7 12 4 31
373 Industrial Electric Heating Furnaces 9 9 2 7 3 30
019 Textiles: Fiber Preparation 4 6 6 10 3 29
201 Distillation: Processes, Thermolytic 0 3 7 10 8 28
492 Roll or Roller 5 4 4 6 8 27
127 Sugar, Starch, and Carbohydrates 6 2 4 9 5 26
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 3 7 3 5 5 23
186 Merchandising 5 3 4 3 5 20
226 Advancing Material of Indeterminate Length 8 6 2 2 2 20
289 Knots and Knot Tying 2 4 5 3 6 20
329 Demodulators 2 6 6 2 4 20
023 Chemistry: Physical Processes 4 2 2 4 7 19
159 Concentrating Evaporators 2 2 3 4 8 19
237 Heating Systems 3 3 2 4 7 19
483 Tool Changing 3 6 4 4 2 19
388 Electricity: Motor Control Systems 4 4 4 5 1 18
168 Farriery 3 5 6 2 0 16
191 Electricity: Transmission To Vehicles 1 2 4 0 9 16
453 Coin Handling 3 2 5 5 1 16
026 Textiles: Cloth Finishing 4 2 1 6 2 15
087 Textiles: Braiding, Netting, and Lace Making 3 3 1 3 4 14
109 Safes, Bank Protection, or a Related Device 2 4 2 4 2 14
449 Bee Culture (propagating, raising, caring for bees) 1 1 3 1 5 11
171 Unearthing Plants or Buried Objects 1 1 2 5 1 10
196 Mineral Oils: Apparatus 0 2 1 1 6 10
413 Sheet Metal Container Making 3 2 1 0 3 9
217 Wooden Receptacles 0 2 0 3 1 6
300 Brush, Broom, and Mop Making 0 0 0 5 1 6
346 Recorders 3 2 0 1 0 6
178 Telegraphy 2 1 1 1 0 5
291 Track Sanders 1 0 2 1 1 5
231 Whips and Whip Apparatus 0 2 1 1 0 4
334 Tuners 1 1 1 1 0 4
069 Leather Manufactures 1 0 1 0 1 3
260 Chemistry of Carbon Compounds 0 0 2 0 1 3
234 Selective Cutting (e.g., Punching) 0 1 0 1 0 2
295 Railway Wheels and Axles 1 1 0 0 0 2
462 Books, Strips, and Leaves for Manifolding 1 1 0 0 0 2
142 Wood Turning 0 0 1 0 0 1
147 Coopering 0 0 0 1 0 1
185 Motors: Spring, Weight, or Animal Powered 0 0 0 1 0 1
314 Electric Lamp and Discharge Devices: Consumable Electrodes 0 0 1 0 0 1
ALL ALL CLASSES 79526 77502 82382 107792 108626 455828


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