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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 2006 - 2010 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 2006 2007 2008 2009 2010 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 3250 2885 2663 2992 4179 15969
370 Multiplex Communications 2300 1842 2453 2969 4032 13596
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1788 1680 1945 2357 3220 10990
438 Semiconductor Device Manufacturing: Process 2078 2015 1821 1873 2361 10148
707 DP: Database and File Management or Data Structures (Data Processing) 1369 1216 1413 2081 3190 9269
435 Chemistry: Molecular Biology and Microbiology 1921 1763 1588 1602 2178 9052
455 Telecommunications 1962 1723 1479 1679 2136 8979
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1706 1546 1472 1463 2067 8254
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1011 935 1291 1596 3348 8181
340 Communications: Electrical 1430 1103 1228 1205 1311 6277
532 Organic Compounds (includes Classes 532-570) 1292 1028 1145 1238 1421 6124
375 Pulse or Digital Communications 1243 1086 1152 1157 1413 6051
714 Error Detection/Correction and Fault Detection/Recovery 1093 1123 1175 1210 1408 6009
382 Image Analysis 1088 1034 1075 1208 1521 5926
128 Surgery (includes Class 600) 1206 1035 908 1074 1679 5902
713 Support (Electrical Computers and Digital Processing Systems) 1070 980 1083 1132 1348 5613
711 Memory (Electrical Computers and Digital Processing Systems) 1132 919 1056 1011 1087 5205
345 Computer Graphics Processing and Selective Visual Display Systems 1199 931 831 944 1111 5016
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1098 940 805 860 1252 4955
250 Radiant Energy 1021 818 950 910 939 4638
606 Surgery (instruments) 827 780 598 803 1503 4511
073 Measuring and Testing 971 895 929 827 882 4504
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1031 909 853 777 898 4468
365 Static Information Storage and Retrieval 883 903 885 850 902 4423
324 Electricity: Measuring and Testing 1025 888 820 805 841 4379
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 767 724 764 949 1157 4361
439 Electrical Connectors 888 794 900 838 917 4337
361 Electricity: Electrical Systems and Devices 761 863 835 870 921 4250
385 Optical Waveguides 1000 924 859 678 657 4118
356 Optics: Measuring and Testing 789 796 871 770 789 4015
428 Stock Material or Miscellaneous Articles 824 798 634 654 967 3877
359 Optical: Systems and Elements 860 716 710 618 734 3638
604 Surgery (Medicators and Receptors) 592 486 478 624 1221 3401
379 Telephonic Communications 920 675 537 555 676 3363
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 610 614 675 671 760 3330
710 Input/Output (Electrical Computers and Digital Processing Systems) 742 524 566 652 799 3283
280 Land Vehicles 606 628 595 596 797 3222
029 Metal Working 749 611 500 557 714 3131
717 DP: Software Development, Installation, and Management (Data Processing) 563 520 503 586 919 3091
360 Dynamic Magnetic Information Storage or Retrieval 790 624 540 539 550 3043
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 614 557 559 533 779 3042
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 507 614 523 674 715 3033
362 Illumination 610 626 484 547 681 2948
726 Information Security 377 431 466 686 937 2897
607 Surgery: Light, Thermal, and Electrical Application 583 587 379 506 830 2885
210 Liquid Purification or Separation 546 600 540 510 615 2811
700 DP: Generic Control Systems or Specific Applications (Data Processing) 667 498 485 462 672 2784
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 495 495 487 515 746 2738
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 481 625 608 478 540 2732
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 644 470 529 507 561 2711
123 Internal-Combustion Engines 615 560 539 432 487 2633
348 Television 556 440 446 522 646 2610
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 621 522 406 438 475 2462
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 484 421 351 471 719 2446
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 505 459 458 433 496 2351
052 Static Structures (e.g., Buildings) 408 330 303 434 777 2252
473 Games Using Tangible Projectile 494 433 376 389 548 2240
060 Power Plants 516 373 322 431 584 2226
358 Facsimile and Static Presentation Processing 451 396 405 402 445 2099
296 Land Vehicles: Bodies and Tops 454 426 365 331 438 2014
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 452 353 345 385 461 1996
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 287 357 345 370 589 1948
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 442 358 322 314 412 1848
326 Electronic Digital Logic Circuitry 350 394 359 331 390 1824
341 Coded Data Generation or Conversion 388 376 379 311 329 1783
062 Refrigeration 432 440 291 254 356 1773
427 Coating Processes 260 290 286 378 547 1761
174 Electricity: Conductors and Insulators 373 358 336 328 309 1704
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 327 299 329 375 368 1698
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 327 288 249 306 518 1688
248 Supports (e.g., for holding articles, etc.) 320 302 236 339 488 1685
219 Electric Heating 473 406 261 215 311 1666
482 Exercise Devices 330 246 250 356 476 1658
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 329 259 249 272 525 1634
206 Special Receptacle or Package 312 265 355 284 393 1609
347 Incremental Printing of Symbolic Information 340 316 309 245 374 1584
343 Communications: Radio Wave Antennas 372 288 297 295 316 1568
463 Amusement Devices: Games 199 218 307 263 559 1546
398 Optical Communications 292 300 274 328 327 1521
137 Fluid Handling 391 289 267 254 307 1508
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 360 327 246 218 342 1493
310 Electrical Generator or Motor Structure 306 225 269 315 366 1481
297 Chairs and Seats 320 261 284 264 341 1470
330 Amplifiers 329 327 270 258 268 1452
378 X-Ray or Gamma Ray Systems or Devices 283 269 268 311 293 1424
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 262 243 292 265 345 1407
436 Chemistry: Analytical and Immunological Testing 209 259 255 280 403 1406
706 DP: Artificial Intelligence (Data Processing) 166 151 237 347 463 1364
725 Interactive Video Distribution Systems 243 197 156 299 457 1352
005 Beds 291 210 280 246 299 1326
423 Chemistry of Inorganic Compounds 237 194 201 259 380 1271
015 Brushing, Scrubbing, and General Cleaning 215 260 232 216 346 1269
180 Motor Vehicles 223 222 226 252 343 1266
244 Aeronautics and Astronautics 264 244 196 241 299 1244
372 Coherent Light Generators 278 201 208 239 272 1198
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 233 135 247 282 283 1180
381 Electrical Audio Signal Processing Systems and Devices 268 231 187 199 271 1156
380 Cryptography 219 221 166 257 287 1150
033 Geometrical Instruments 234 254 226 210 225 1149
451 Abrading 434 259 149 129 128 1099
239 Fluid Sprinkling, Spraying, and Diffusing 303 211 142 168 250 1074
002 Apparel 294 185 156 133 289 1057
084 Music 148 185 198 246 277 1054
119 Animal Husbandry 247 219 183 170 229 1048
318 Electricity: Motive Power Systems 247 202 192 191 184 1016
222 Dispensing (apparatus and process) 253 187 139 150 276 1005
252 Compositions 208 173 196 176 239 992
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 191 145 165 196 295 992
351 Optics: Eye Examining, Vision Testing and Correcting 172 184 220 189 222 987
175 Boring or Penetrating the Earth 178 161 187 186 260 972
323 Electricity: Power Supply or Regulation Systems 191 164 178 201 231 965
426 Food or Edible Material: Processes, Compositions, and Products 231 188 137 164 235 955
315 Electric Lamp and Discharge Devices: Systems 220 191 179 167 174 931
273 Amusement Devices: Games 178 189 184 179 200 930
204 Chemistry: Electrical and Wave Energy 178 185 156 157 235 911
331 Oscillators 180 187 171 184 187 909
114 Ships 238 206 165 139 147 895
220 Receptacles 184 147 128 187 246 892
399 Electrophotography 184 206 157 137 200 884
405 Hydraulic and Earth Engineering 236 145 166 155 178 880
307 Electrical Transmission or Interconnection Systems 139 117 141 210 267 874
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 190 155 167 159 202 873
333 Wave Transmission Lines and Networks 195 174 157 151 190 867
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 166 155 135 174 218 848
134 Cleaning and Liquid Contact with Solids 161 159 147 162 187 816
708 Arithmetic Processing and Calculating (Electrical Computers) 203 122 172 149 164 810
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 195 193 134 130 155 807
198 Conveyors: Power-Driven 172 171 145 141 164 793
053 Package Making 169 126 176 166 152 789
106 Compositions: Coating or Plastic 159 154 141 129 205 788
415 Rotary Kinetic Fluid Motors or Pumps 194 136 123 140 195 788
475 Planetary Gear Transmission Systems or Components 154 179 134 122 189 778
036 Boots, Shoes, and Leggings 155 122 147 135 209 768
040 Card, Picture, or Sign Exhibiting 148 150 167 131 169 765
414 Material or Article Handling 164 144 121 149 172 750
416 Fluid Reaction Surfaces (i.e., Impellers) 137 128 136 148 181 730
320 Electricity: Battery or Capacitor Charging or Discharging 72 82 106 209 247 716
585 Chemistry of Hydrocarbon Compounds 103 133 153 150 168 707
313 Electric Lamp and Discharge Devices 160 132 106 120 167 685
043 Fishing, Trapping, and Vermin Destroying 148 123 118 114 177 680
165 Heat Exchange 248 141 96 82 112 679
363 Electric Power Conversion Systems 128 113 121 143 166 671
095 Gas Separation: Processes 126 103 148 118 172 667
072 Metal Deforming 195 147 117 107 98 664
433 Dentistry 205 158 110 64 122 659
211 Supports: Racks 174 146 86 92 152 650
285 Pipe Joints or Couplings 145 80 137 140 146 648
290 Prime-Mover Dynamo Plants 122 118 125 135 147 647
081 Tools 195 178 97 57 107 634
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 170 151 79 96 130 626
118 Coating Apparatus 136 113 109 116 150 624
367 Communications, Electrical: Acoustic Wave Systems and Devices 97 116 115 127 151 606
417 Pumps 159 117 100 108 117 601
004 Baths, Closets, Sinks, and Spittoons 151 125 106 86 129 597
602 Surgery: Splint, Brace, or Bandage 137 90 78 115 166 586
042 Firearms 103 103 106 98 169 579
200 Electricity: Circuit Makers and Breakers 149 102 119 114 90 574
241 Solid Material Comminution or Disintegration 102 121 89 121 140 573
404 Road Structure, Process, or Apparatus 133 105 107 96 129 570
024 Buckles, Buttons, Clasps, Etc. 123 115 108 103 115 564
251 Valves and Valve Actuation 188 104 74 84 110 560
242 Winding, Tensioning, or Guiding 134 129 126 81 88 558
055 Gas Separation 61 98 121 119 146 545
083 Cutting 160 100 66 94 122 542
434 Education and Demonstration 138 123 86 93 101 541
030 Cutlery 140 100 85 89 126 540
056 Harvesters 113 75 87 104 153 532
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 114 102 89 106 121 532
074 Machine Element or Mechanism 103 120 73 106 125 527
353 Optics: Image Projectors 131 119 123 81 66 520
216 Etching a Substrate: Processes 125 108 104 93 87 517
208 Mineral Oils: Processes and Products 80 80 102 97 157 516
446 Amusement Devices: Toys 111 96 84 85 136 512
162 Paper Making and Fiber Liberation 97 94 77 82 144 494
102 Ammunition and Explosives 98 75 100 90 113 476
227 Elongated-Member-Driving Apparatus 82 72 78 98 143 473
294 Handling: Hand and Hoist-Line Implements 100 103 85 75 107 470
228 Metal Fusion Bonding 88 71 101 80 126 466
386 Motion Video Signal Processing for Recording or Reproducing 75 117 95 88 89 464
369 Dynamic Information Storage or Retrieval 105 90 89 77 99 460
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 61 70 80 98 149 458
366 Agitating (e.g., of articles and materials) 82 106 104 75 90 457
374 Thermal Measuring and Testing 92 49 87 100 114 442
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 104 78 68 76 114 440
188 Brakes 121 89 65 89 74 438
070 Locks 105 83 97 74 78 437
292 Closure Fasteners 101 93 81 75 87 437
254 Implements or Apparatus for Applying Pushing or Pulling Force 107 87 85 71 82 432
099 Foods and Beverages: Apparatus 93 56 83 78 116 426
401 Coating Implements with Material Supply 94 96 78 66 81 415
089 Ordnance 54 53 78 93 133 411
396 Photography 58 49 71 92 128 398
507 Earth Boring, Well Treating, and Oil Field Chemistry 57 56 47 94 133 387
224 Package and Article Carriers 89 70 70 45 110 384
160 Flexible or Portable Closure, Partition, or Panel 99 76 48 67 93 383
271 Sheet Feeding or Delivering 63 57 70 90 101 381
016 Miscellaneous Hardware 108 66 45 64 97 380
148 Metal Treatment 74 64 57 78 106 379
221 Article Dispensing 107 74 56 51 78 366
209 Classifying, Separating, and Assorting Solids 69 75 78 61 81 364
096 Gas Separation: Apparatus 54 60 63 88 96 361
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 92 65 60 47 93 357
440 Marine Propulsion 95 77 69 58 58 357
192 Clutches and Power-Stop Control 94 78 67 49 68 356
181 Acoustics 37 63 75 89 90 354
047 Plant Husbandry 76 53 32 74 117 352
135 Tent, Canopy, Umbrella, or Cane 53 66 51 81 98 349
229 Envelopes, Wrappers, and Paperboard Boxes 51 63 56 71 106 347
124 Mechanical Guns and Projectors 62 68 57 50 107 344
164 Metal Founding 91 92 50 48 62 343
336 Inductor Devices 91 78 44 54 76 343
349 Liquid Crystal Cells, Elements and Systems 76 59 62 70 69 336
601 Surgery: Kinesitherapy 75 79 77 48 55 334
312 Supports: Cabinet Structure 86 57 54 50 81 328
108 Horizontally Supported Planar Surfaces 81 49 50 63 84 327
101 Printing 121 56 51 45 51 324
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 72 76 67 50 54 319
182 Fire Escape, Ladder, or Scaffold 111 78 42 24 63 318
410 Freight Accommodation On Freight Carrier 67 61 62 53 73 316
037 Excavating 59 41 26 69 114 309
215 Bottles and Jars 71 58 47 49 78 303
355 Photocopying 89 74 60 35 45 303
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 34 41 53 64 109 301
277 Seal for a Joint or Juncture 85 48 61 33 68 295
138 Pipes and Tubular Conduits 54 52 44 65 68 283
368 Horology: Time Measuring Systems or Devices 67 52 66 36 61 282
136 Batteries: Thermoelectric and Photoelectric 35 46 32 59 109 281
441 Buoys, Rafts, and Aquatic Devices 77 64 51 36 48 276
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 42 42 58 60 72 274
049 Movable or Removable Closures 67 43 49 47 66 272
261 Gas and Liquid Contact Apparatus 68 52 52 51 49 272
431 Combustion 55 50 36 62 66 269
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 58 45 67 48 50 268
452 Butchering 62 50 55 51 48 266
477 Interrelated Power Delivery Controls, Including Engine Control 41 50 41 57 73 262
132 Toilet 48 76 42 43 51 260
126 Stoves and Furnaces 48 30 35 41 105 259
501 Compositions: Ceramic 56 37 32 56 77 258
403 Joints and Connections 56 41 56 44 58 255
034 Drying and Gas or Vapor Contact with Solids 86 40 60 26 38 250
144 Woodworking 57 39 51 37 64 248
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 62 40 34 49 62 247
400 Typewriting Machines 77 59 39 31 37 243
454 Ventilation 66 37 37 53 49 242
172 Earth Working 64 30 25 49 70 238
384 Bearings 58 39 51 44 45 237
408 Cutting by Use of Rotating Axially Moving Tool 66 53 32 44 39 234
392 Electric Resistance Heating Devices 66 58 24 26 50 224
065 Glass Manufacturing 43 45 40 36 51 215
116 Signals and Indicators 34 38 38 45 57 212
383 Flexible Bags 54 44 34 40 39 211
111 Planting 42 35 39 42 49 207
303 Fluid-Pressure and Analogous Brake Systems 46 34 46 32 49 207
169 Fire Extinguishers 40 30 39 29 65 203
044 Fuel and Related Compositions 16 37 35 52 62 202
236 Automatic Temperature and Humidity Regulation 36 44 29 33 58 200
301 Land Vehicles: Wheels and Axles 53 32 40 31 42 198
152 Resilient Tires and Wheels 55 39 37 33 32 196
100 Presses 47 40 47 29 30 193
256 Fences 50 29 35 43 33 190
092 Expansible Chamber Devices 43 48 40 29 26 186
048 Gas: Heating and Illuminating 24 33 36 45 46 184
269 Work Holders 53 41 24 15 38 171
173 Tool Driving or Impacting 45 26 26 31 40 168
267 Spring Devices 38 34 40 26 29 167
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 55 23 33 30 26 167
474 Endless Belt Power Transmission Systems or Components 46 30 21 25 45 167
418 Rotary Expansible Chamber Devices 36 36 27 33 32 164
177 Weighing Scales 34 45 24 35 24 162
131 Tobacco 20 27 21 25 66 159
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 33 40 23 33 27 156
472 Amusement Devices 28 25 26 21 56 156
105 Railway Rolling Stock 29 24 27 32 43 155
232 Deposit and Collection Receptacles 36 46 37 20 16 155
445 Electric Lamp or Space Discharge Component or Device Manufacturing 48 22 22 27 28 147
122 Liquid Heaters and Vaporizers 28 25 30 30 30 143
223 Apparel Apparatus 26 43 32 13 28 142
409 Gear Cutting, Milling, or Planing 36 35 30 21 18 140
450 Foundation Garments 30 28 22 25 35 140
322 Electricity: Single Generator Systems 31 24 32 30 22 139
104 Railways 20 21 26 30 40 137
112 Sewing 32 22 30 26 26 136
293 Vehicle Fenders 31 31 26 27 19 134
376 Induced Nuclear Reactions: Processes, Systems, and Elements 23 11 18 46 35 133
299 Mining or In Situ Disintegration of Hard Material 23 17 40 25 27 132
063 Jewelry 31 29 26 19 22 127
338 Electrical Resistors 42 29 14 8 27 120
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 20 20 14 22 40 116
249 Static Molds 37 30 14 15 18 114
110 Furnaces 33 18 20 15 27 113
027 Undertaking 10 37 29 17 17 110
266 Metallurgical Apparatus 18 19 17 34 22 110
419 Powder Metallurgy Processes 13 16 23 28 30 110
014 Bridges 27 25 18 23 15 108
460 Crop Threshing or Separating 16 20 20 26 24 106
082 Turning (e.g., for metal working) 18 15 17 26 28 104
068 Textiles: Fluid Treating Apparatus 10 17 20 30 26 103
720 Dynamic Optical Information Storage or Retrieval 25 11 26 21 20 103
407 Cutters, for Shaping 29 19 20 21 11 100
066 Textiles: Knitting 24 11 12 29 21 97
091 Motors: Expansible Chamber Type 30 24 13 17 11 95
337 Electricity: Electrothermally or Thermally Actuated Switches 8 13 24 25 25 95
051 Abrasive Tool Making Process, Material, or Composition 14 28 16 28 8 94
125 Stone Working 34 16 16 6 21 93
283 Printed Matter 23 18 19 9 23 92
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 34 20 17 6 15 92
504 Plant Protecting and Regulating Compositions 27 18 11 13 22 91
054 Harness for Working Animal 20 24 20 18 7 89
588 Hazardous or Toxic Waste Destruction or Containment 16 15 14 19 23 87
406 Conveyors: Fluid Current 23 19 13 13 18 86
184 Lubrication 25 16 12 8 24 85
270 Sheet-Material Associating 10 6 11 32 23 82
007 Compound Hand Tools 28 20 9 12 12 81
150 Purses, Wallets, and Protective Covers 12 14 10 22 21 79
190 Trunks and Hand-Carried Luggage 27 14 15 13 9 78
057 Textiles: Spinning, Twisting, and Twining 16 20 15 16 10 77
139 Textiles: Weaving 20 12 8 19 18 77
246 Railway Switches and Signals 17 12 15 11 22 77
212 Traversing Hoists 17 10 17 18 13 75
494 Imperforate Bowl: Centrifugal Separators 21 10 14 15 14 74
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 19 22 32 73
028 Textiles: Manufacturing 23 18 9 15 6 71
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 20 18 10 5 15 68
194 Check-Actuated Control Mechanisms 16 11 6 11 22 66
279 Chucks or Sockets 9 11 16 13 15 64
505 Superconductor Technology: Apparatus, Material, Process 11 9 7 13 24 64
432 Heating 15 12 15 7 13 62
149 Explosive and Thermic Compositions or Charges 19 2 5 9 26 61
202 Distillation: Apparatus 14 10 12 11 14 61
001 ** Classification Undetermined ** 11 15 8 4 22 60
203 Distillation: Processes, Separatory 11 9 13 10 13 56
332 Modulators 9 6 3 12 26 56
086 Ammunition and Explosive-Charge Making 14 7 9 12 13 55
281 Books, Strips, and Leaves 9 4 11 8 23 55
071 Chemistry: Fertilizers 7 5 4 13 25 54
140 Wireworking 20 14 13 4 3 54
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 12 9 8 8 16 53
420 Alloys or Metallic Compositions 5 3 13 7 24 52
225 Severing by Tearing or Breaking 17 13 6 6 9 51
305 Wheel Substitutes for Land Vehicles 7 10 13 7 14 51
476 Friction Gear Transmission Systems or Components 17 14 11 1 8 51
193 Conveyors, Chutes, Skids, Guides, and Ways 15 7 10 8 10 50
298 Land Vehicles: Dumping 11 9 11 5 13 49
512 Perfume Compositions 12 10 8 7 12 49
238 Railways: Surface Track 12 6 10 6 14 48
352 Optics: Motion Pictures 18 9 8 7 6 48
038 Textiles: Ironing or Smoothing 12 12 6 6 9 45
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 13 8 4 12 8 45
213 Railway Draft Appliances 7 8 6 9 13 43
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 15 6 9 7 6 43
373 Industrial Electric Heating Furnaces 14 9 9 2 7 41
157 Wheelwright Machines 7 9 10 7 6 39
012 Boot and Shoe Making 7 5 7 6 13 38
059 Chain, Staple, and Horseshoe Making 12 8 8 6 4 38
076 Metal Tools and Implements, Making 3 12 3 4 13 35
412 Bookbinding: Process and Apparatus 6 3 5 7 12 33
019 Textiles: Fiber Preparation 6 4 6 6 10 32
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 11 3 7 3 5 29
226 Advancing Material of Indeterminate Length 9 8 6 2 2 27
201 Distillation: Processes, Thermolytic 5 0 3 7 10 25
492 Roll or Roller 6 5 4 4 6 25
127 Sugar, Starch, and Carbohydrates 3 6 2 4 9 24
237 Heating Systems 11 3 3 2 4 23
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 1 0 0 5 17 23
388 Electricity: Motor Control Systems 5 4 4 4 5 22
329 Demodulators 5 2 6 6 2 21
168 Farriery 3 3 5 6 2 19
453 Coin Handling 4 3 2 5 5 19
186 Merchandising 3 5 3 4 3 18
483 Tool Changing 1 3 6 4 4 18
289 Knots and Knot Tying 3 2 4 5 3 17
026 Textiles: Cloth Finishing 3 4 2 1 6 16
023 Chemistry: Physical Processes 2 4 2 2 4 14
109 Safes, Bank Protection, or a Related Device 2 2 4 2 4 14
171 Unearthing Plants or Buried Objects 5 1 1 2 5 14
191 Electricity: Transmission To Vehicles 6 1 2 4 0 13
159 Concentrating Evaporators 1 2 2 3 4 12
087 Textiles: Braiding, Netting, and Lace Making 1 3 3 1 3 11
346 Recorders 4 3 2 0 1 10
449 Bee Culture (propagating, raising, caring for bees) 4 1 1 3 1 10
413 Sheet Metal Container Making 3 3 2 1 0 9
178 Telegraphy 2 2 1 1 1 7
217 Wooden Receptacles 1 0 2 0 3 6
300 Brush, Broom, and Mop Making 1 0 0 0 5 6
334 Tuners 2 1 1 1 1 6
196 Mineral Oils: Apparatus 1 0 2 1 1 5
291 Track Sanders 1 1 0 2 1 5
231 Whips and Whip Apparatus 0 0 2 1 1 4
234 Selective Cutting (e.g., Punching) 2 0 1 0 1 4
069 Leather Manufactures 0 1 0 1 0 2
185 Motors: Spring, Weight, or Animal Powered 1 0 0 0 1 2
260 Chemistry of Carbon Compounds 0 0 0 2 0 2
295 Railway Wheels and Axles 0 1 1 0 0 2
462 Books, Strips, and Leaves for Manifolding 0 1 1 0 0 2
142 Wood Turning 0 0 0 1 0 1
147 Coopering 0 0 0 0 1 1
314 Electric Lamp and Discharge Devices: Consumable Electrodes 0 0 0 1 0 1
ALL ALL CLASSES 89823 79526 77502 82382 107792 437025


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