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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 2009 - 2013 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 2009 2010 2011 2012 2013 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 5287 7509 7461 9180 10971 40408
370 Multiplex Communications 5282 7380 7681 8348 9241 37932
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 4670 6870 7004 6866 8509 33919
455 Telecommunications 3358 4282 5540 7569 8214 28963
438 Semiconductor Device Manufacturing: Process 4906 6122 5897 5160 5550 27635
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 3288 4633 4848 5294 5357 23420
707 DP: Database and File Management or Data Structures (Data Processing) 2811 4438 4230 4969 5080 21528
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1992 4054 4054 4850 5885 20835
345 Computer Graphics Processing and Selective Visual Display Systems 2573 3298 3500 4837 5839 20047
382 Image Analysis 2616 3335 3703 5127 5139 19920
435 Chemistry: Molecular Biology and Microbiology 2702 3700 3729 3697 3900 17728
375 Pulse or Digital Communications 2271 3008 3043 4338 4471 17131
532 Organic Compounds (includes Classes 532-570) 2762 3209 3314 3678 3998 16961
348 Television 1938 2323 2758 4317 4268 15604
128 Surgery (includes Class 600) 1638 2637 2844 3617 4380 15116
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1917 3008 3016 2912 3536 14389
365 Static Information Storage and Retrieval 2379 2722 2756 2659 2722 13238
361 Electricity: Electrical Systems and Devices 2121 2492 2595 2639 2892 12739
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1210 1787 2131 3220 4175 12523
428 Stock Material or Miscellaneous Articles 1702 2483 2745 2674 2770 12374
714 Error Detection/Correction and Fault Detection/Recovery 2092 2373 2382 2475 2874 12196
340 Communications: Electrical 1864 2191 2268 2737 2866 11926
713 Support (Electrical Computers and Digital Processing Systems) 1865 2239 2173 2607 3013 11897
606 Surgery (instruments) 1007 1874 2194 2888 3313 11276
250 Radiant Energy 2177 2268 1839 2078 2601 10963
347 Incremental Printing of Symbolic Information 1677 2263 2256 2276 2466 10938
359 Optical: Systems and Elements 2028 2365 2254 2010 2237 10894
358 Facsimile and Static Presentation Processing 1450 1681 1921 2528 3147 10727
711 Memory (Electrical Computers and Digital Processing Systems) 1603 1753 2041 2519 2395 10311
439 Electrical Connectors 2068 2389 2243 1816 1756 10272
073 Measuring and Testing 1724 1925 1881 1995 2123 9648
324 Electricity: Measuring and Testing 1734 1980 1734 1768 1998 9214
604 Surgery (Medicators and Receptors) 907 1718 1830 2198 2549 9202
726 Information Security 981 1364 1534 2237 3086 9202
399 Electrophotography 1298 1748 1873 1978 2015 8912
362 Illumination 1344 1814 1627 1780 2250 8815
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 1344 1715 1531 1955 2232 8777
349 Liquid Crystal Cells, Elements and Systems 1407 1678 1842 1861 1655 8443
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 992 1708 1599 1944 2055 8298
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1302 1535 1652 1791 1776 8056
356 Optics: Measuring and Testing 1575 1703 1557 1401 1573 7809
029 Metal Working 1117 1489 1514 1819 1705 7644
700 DP: Generic Control Systems or Specific Applications (Data Processing) 851 1264 1362 1596 1905 6978
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1235 1509 1327 1226 1645 6942
280 Land Vehicles 1170 1571 1351 1227 1613 6932
717 DP: Software Development, Installation, and Management (Data Processing) 829 1314 1100 1512 2118 6873
060 Power Plants 906 1146 1214 1464 1801 6531
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1128 1378 1305 1353 1358 6522
310 Electrical Generator or Motor Structure 1205 1396 1405 1202 1291 6499
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 1089 1421 1290 1309 1199 6308
123 Internal-Combustion Engines 1135 1275 1129 1260 1353 6152
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1015 1186 1267 1243 1366 6077
381 Electrical Audio Signal Processing Systems and Devices 488 673 1057 2071 1512 5801
379 Telephonic Communications 780 930 1107 1395 1532 5744
607 Surgery: Light, Thermal, and Electrical Application 607 970 1143 1333 1676 5729
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 762 964 1079 1329 1569 5703
369 Dynamic Information Storage or Retrieval 1049 1290 1384 1078 846 5647
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 841 983 1032 1316 1455 5627
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 691 1147 1149 1302 1298 5587
463 Amusement Devices: Games 379 801 946 1673 1768 5567
385 Optical Waveguides 1314 1248 823 938 1180 5503
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 612 927 1146 1293 1508 5486
427 Coating Processes 724 1113 1048 1307 1191 5383
052 Static Structures (e.g., Buildings) 601 1107 939 1211 1496 5354
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 789 946 1052 1182 1310 5279
210 Liquid Purification or Separation 844 1006 1041 1189 1128 5208
360 Dynamic Magnetic Information Storage or Retrieval 1133 1054 1060 1073 864 5184
313 Electric Lamp and Discharge Devices 825 1134 1163 1120 926 5168
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 691 1061 857 1069 1196 4874
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 482 796 1098 1142 1236 4754
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 524 1112 1005 963 1001 4605
725 Interactive Video Distribution Systems 494 718 841 1007 1399 4459
343 Communications: Radio Wave Antennas 784 833 754 760 878 4009
180 Motor Vehicles 681 863 766 785 909 4004
398 Optical Communications 634 711 763 897 936 3941
296 Land Vehicles: Bodies and Tops 660 860 708 823 888 3939
315 Electric Lamp and Discharge Devices: Systems 418 517 730 1065 1192 3922
174 Electricity: Conductors and Insulators 620 671 731 911 977 3910
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 746 823 840 692 800 3901
219 Electric Heating 486 664 582 903 1110 3745
341 Coded Data Generation or Conversion 744 795 758 644 765 3706
318 Electricity: Motive Power Systems 612 641 749 827 833 3662
706 DP: Artificial Intelligence (Data Processing) 473 636 759 814 960 3642
248 Supports (e.g., for holding articles, etc.) 597 806 688 797 744 3632
473 Games Using Tangible Projectile 545 734 748 791 810 3628
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 563 679 719 832 808 3601
423 Chemistry of Inorganic Compounds 537 801 673 698 849 3558
252 Compositions 432 640 712 828 916 3528
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 684 705 801 749 584 3523
380 Cryptography 487 580 609 771 863 3310
386 Motion Video Signal Processing for Recording or Reproducing 484 573 596 768 831 3252
062 Refrigeration 480 696 669 608 746 3199
320 Electricity: Battery or Capacitor Charging or Discharging 500 618 548 801 729 3196
244 Aeronautics and Astronautics 358 483 658 835 852 3186
297 Chairs and Seats 547 674 612 628 651 3112
378 X-Ray or Gamma Ray Systems or Devices 698 740 608 530 532 3108
436 Chemistry: Analytical and Immunological Testing 428 642 693 638 668 3069
137 Fluid Handling 407 528 472 717 924 3048
015 Brushing, Scrubbing, and General Cleaning 381 576 557 587 811 2912
323 Electricity: Power Supply or Regulation Systems 488 572 593 597 660 2910
307 Electrical Transmission or Interconnection Systems 430 553 659 634 615 2891
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 261 411 398 798 1007 2875
396 Photography 612 746 588 454 463 2863
206 Special Receptacle or Package 445 631 569 588 614 2847
330 Amplifiers 612 666 554 503 509 2844
372 Coherent Light Generators 577 726 547 479 479 2808
326 Electronic Digital Logic Circuitry 578 745 603 335 492 2753
415 Rotary Kinetic Fluid Motors or Pumps 298 406 468 896 663 2731
271 Sheet Feeding or Delivering 436 560 566 536 625 2723
204 Chemistry: Electrical and Wave Energy 310 480 533 646 664 2633
074 Machine Element or Mechanism 375 470 474 608 688 2615
482 Exercise Devices 459 650 678 392 362 2541
363 Electric Power Conversion Systems 395 471 475 530 669 2540
426 Food or Edible Material: Processes, Compositions, and Products 285 438 460 587 656 2426
220 Receptacles 291 387 466 542 735 2421
222 Dispensing (apparatus and process) 264 487 426 490 677 2344
417 Pumps 244 311 402 717 642 2316
333 Wave Transmission Lines and Networks 490 478 473 460 405 2306
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 351 461 495 479 496 2282
084 Music 482 557 446 389 383 2257
416 Fluid Reaction Surfaces (i.e., Impellers) 255 306 490 674 531 2256
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 405 529 521 354 379 2188
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 371 519 396 438 454 2178
106 Compositions: Coating or Plastic 327 507 422 476 436 2168
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 361 391 394 473 530 2149
475 Planetary Gear Transmission Systems or Components 297 347 403 481 595 2123
351 Optics: Eye Examining, Vision Testing and Correcting 379 437 451 391 438 2096
134 Cleaning and Liquid Contact with Solids 287 389 442 465 507 2090
198 Conveyors: Power-Driven 315 422 407 369 461 1974
353 Optics: Image Projectors 249 315 512 446 446 1968
118 Coating Apparatus 257 355 395 475 476 1958
005 Beds 330 402 354 395 455 1936
239 Fluid Sprinkling, Spraying, and Diffusing 293 447 394 342 426 1902
331 Oscillators 407 448 408 350 288 1901
200 Electricity: Circuit Makers and Breakers 350 319 368 423 380 1840
002 Apparel 173 401 422 422 418 1836
451 Abrading 292 296 319 418 468 1793
175 Boring or Penetrating the Earth 256 384 382 356 378 1756
290 Prime-Mover Dynamo Plants 249 261 346 401 480 1737
355 Photocopying 282 319 350 379 392 1722
708 Arithmetic Processing and Calculating (Electrical Computers) 280 313 312 321 496 1722
033 Geometrical Instruments 374 394 370 285 283 1706
119 Animal Husbandry 229 305 361 404 395 1694
095 Gas Separation: Processes 189 296 340 381 472 1678
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 296 328 373 339 313 1649
148 Metal Treatment 227 337 305 392 374 1635
072 Metal Deforming 258 272 292 386 413 1621
055 Gas Separation 276 305 357 301 319 1558
216 Etching a Substrate: Processes 197 210 297 352 454 1510
053 Package Making 308 321 297 291 292 1509
384 Bearings 224 262 266 336 404 1492
414 Material or Article Handling 244 304 316 311 311 1486
585 Chemistry of Hydrocarbon Compounds 230 248 298 305 383 1464
165 Heat Exchange 251 306 290 303 298 1448
188 Brakes 211 230 266 341 391 1439
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 176 254 279 362 346 1417
241 Solid Material Comminution or Disintegration 238 302 331 270 273 1414
405 Hydraulic and Earth Engineering 228 287 279 270 348 1412
162 Paper Making and Fiber Liberation 191 268 309 340 298 1406
367 Communications, Electrical: Acoustic Wave Systems and Devices 217 276 238 275 342 1348
285 Pipe Joints or Couplings 269 320 265 259 227 1340
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 215 258 274 258 297 1302
228 Metal Fusion Bonding 176 313 288 263 237 1277
136 Batteries: Thermoelectric and Photoelectric 82 195 291 349 351 1268
036 Boots, Shoes, and Leggings 184 272 234 269 268 1227
477 Interrelated Power Delivery Controls, Including Engine Control 183 215 225 319 285 1227
227 Elongated-Member-Driving Apparatus 159 223 264 262 312 1220
251 Valves and Valve Actuation 174 223 207 295 315 1214
336 Inductor Devices 152 256 292 263 238 1201
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 188 230 192 289 300 1199
004 Baths, Closets, Sinks, and Spittoons 111 189 258 359 265 1182
042 Firearms 135 212 240 276 314 1177
024 Buckles, Buttons, Clasps, Etc. 181 204 216 259 316 1176
433 Dentistry 105 212 233 292 331 1173
374 Thermal Measuring and Testing 217 221 186 298 246 1168
273 Amusement Devices: Games 228 260 204 192 277 1161
192 Clutches and Power-Stop Control 162 214 210 284 283 1153
099 Foods and Beverages: Apparatus 161 239 195 254 279 1128
114 Ships 201 212 230 252 230 1125
030 Cutlery 170 204 253 245 247 1119
040 Card, Picture, or Sign Exhibiting 184 235 241 249 210 1119
083 Cutting 157 213 243 254 246 1113
434 Education and Demonstration 105 130 175 281 422 1113
312 Supports: Cabinet Structure 113 208 187 297 300 1105
096 Gas Separation: Apparatus 190 206 185 246 268 1095
602 Surgery: Splint, Brace, or Bandage 149 226 258 249 210 1092
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 143 209 180 270 287 1089
089 Ordnance 133 185 229 256 282 1085
211 Supports: Racks 107 201 270 244 258 1080
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 180 235 249 204 202 1070
208 Mineral Oils: Processes and Products 165 245 221 195 242 1068
242 Winding, Tensioning, or Guiding 223 235 222 175 198 1053
181 Acoustics 151 202 227 220 244 1044
081 Tools 115 194 210 204 299 1022
501 Compositions: Ceramic 190 209 189 205 190 983
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 173 204 210 203 191 981
294 Handling: Hand and Hoist-Line Implements 128 161 172 233 279 973
292 Closure Fasteners 151 170 163 198 285 967
102 Ammunition and Explosives 132 171 200 224 225 952
101 Printing 167 192 193 188 202 942
070 Locks 153 158 188 217 210 926
366 Agitating (e.g., of articles and materials) 125 163 184 257 197 926
720 Dynamic Optical Information Storage or Retrieval 198 167 195 180 156 896
368 Horology: Time Measuring Systems or Devices 151 191 159 172 220 893
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 100 184 196 195 218 893
401 Coating Implements with Material Supply 128 162 154 231 217 892
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 79 169 172 188 268 876
164 Metal Founding 105 151 207 241 164 868
049 Movable or Removable Closures 110 149 132 205 265 861
056 Harvesters 156 216 183 176 130 861
152 Resilient Tires and Wheels 120 134 170 223 213 860
446 Amusement Devices: Toys 122 181 194 169 189 855
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 145 248 197 141 123 854
065 Glass Manufacturing 84 146 195 203 207 835
404 Road Structure, Process, or Apparatus 143 159 165 161 202 830
209 Classifying, Separating, and Assorting Solids 113 151 196 174 195 829
474 Endless Belt Power Transmission Systems or Components 82 175 221 175 167 820
043 Fishing, Trapping, and Vermin Destroying 131 195 155 155 181 817
047 Plant Husbandry 105 168 159 181 192 805
277 Seal for a Joint or Juncture 68 157 172 194 202 793
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 148 160 123 183 177 791
126 Stoves and Furnaces 70 169 156 178 213 786
160 Flexible or Portable Closure, Partition, or Panel 112 179 141 167 183 782
507 Earth Boring, Well Treating, and Oil Field Chemistry 118 181 200 142 140 781
224 Package and Article Carriers 60 132 145 199 234 770
418 Rotary Expansible Chamber Devices 147 145 142 164 170 768
270 Sheet-Material Associating 119 139 207 163 134 762
601 Surgery: Kinesitherapy 91 118 154 167 192 722
034 Drying and Gas or Vapor Contact with Solids 75 82 161 190 211 719
400 Typewriting Machines 122 142 140 152 153 709
108 Horizontally Supported Planar Surfaces 88 130 132 179 165 694
138 Pipes and Tubular Conduits 137 134 141 134 148 694
445 Electric Lamp or Space Discharge Component or Device Manufacturing 119 143 164 147 113 686
254 Implements or Apparatus for Applying Pushing or Pulling Force 112 122 110 150 189 683
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 132 146 130 134 137 679
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 81 127 134 164 173 679
504 Plant Protecting and Regulating Compositions 56 93 90 196 242 677
403 Joints and Connections 110 131 120 159 156 676
215 Bottles and Jars 83 122 125 164 181 675
173 Tool Driving or Impacting 93 125 132 158 156 664
124 Mechanical Guns and Projectors 80 146 144 129 163 662
132 Toilet 81 87 128 182 180 658
269 Work Holders 34 69 125 190 236 654
303 Fluid-Pressure and Analogous Brake Systems 95 131 130 151 134 641
135 Tent, Canopy, Umbrella, or Cane 116 123 141 109 145 634
261 Gas and Liquid Contact Apparatus 103 103 128 160 137 631
440 Marine Propulsion 140 107 121 135 118 621
182 Fire Escape, Ladder, or Scaffold 33 78 115 153 184 563
048 Gas: Heating and Illuminating 81 86 103 139 153 562
068 Textiles: Fluid Treating Apparatus 113 105 112 110 118 558
037 Excavating 115 169 101 87 77 549
044 Fuel and Related Compositions 81 93 105 112 153 544
229 Envelopes, Wrappers, and Paperboard Boxes 90 137 111 82 123 543
431 Combustion 101 103 108 98 119 529
267 Spring Devices 65 76 97 129 139 506
410 Freight Accommodation On Freight Carrier 72 93 97 107 130 499
392 Electric Resistance Heating Devices 63 94 111 114 108 490
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 93 103 83 94 110 483
266 Metallurgical Apparatus 84 88 103 106 96 477
376 Induced Nuclear Reactions: Processes, Systems, and Elements 61 70 90 106 148 475
454 Ventilation 98 87 76 84 126 471
408 Cutting by Use of Rotating Axially Moving Tool 89 81 86 93 119 468
221 Article Dispensing 73 111 104 75 100 463
338 Electrical Resistors 49 97 99 112 100 457
131 Tobacco 43 95 91 73 141 443
172 Earth Working 70 100 82 78 105 435
452 Butchering 89 91 80 74 90 424
104 Railways 66 86 67 92 106 417
112 Sewing 69 65 90 112 71 407
407 Cutters, for Shaping 77 57 82 66 119 401
236 Automatic Temperature and Humidity Regulation 47 105 91 75 80 398
144 Woodworking 65 109 127 63 33 397
092 Expansible Chamber Devices 75 86 76 70 85 392
105 Railway Rolling Stock 54 73 77 82 105 391
383 Flexible Bags 55 63 67 76 93 354
472 Amusement Devices 25 80 84 72 77 338
100 Presses 54 51 61 72 89 327
301 Land Vehicles: Wheels and Axles 63 64 83 43 65 318
441 Buoys, Rafts, and Aquatic Devices 51 69 54 67 73 314
409 Gear Cutting, Milling, or Planing 63 51 69 51 77 311
116 Signals and Indicators 63 82 58 53 53 309
322 Electricity: Single Generator Systems 75 48 63 65 58 309
082 Turning (e.g., for metal working) 52 63 68 68 57 308
505 Superconductor Technology: Apparatus, Material, Process 33 52 45 86 92 308
169 Fire Extinguishers 35 80 38 62 92 307
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 55 92 66 53 40 306
177 Weighing Scales 71 63 51 65 51 301
299 Mining or In Situ Disintegration of Hard Material 43 43 63 60 89 298
066 Textiles: Knitting 72 73 70 32 49 296
111 Planting 61 70 54 48 63 296
184 Lubrication 18 50 69 66 88 291
194 Check-Actuated Control Mechanisms 36 68 40 73 69 286
293 Vehicle Fenders 52 48 62 72 52 286
149 Explosive and Thermic Compositions or Charges 14 40 79 78 70 281
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 32 40 54 81 74 281
420 Alloys or Metallic Compositions 38 60 50 65 63 276
122 Liquid Heaters and Vaporizers 56 51 48 56 61 272
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 30 63 63 40 75 271
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 41 50 55 64 60 270
051 Abrasive Tool Making Process, Material, or Composition 40 21 68 60 80 269
057 Textiles: Spinning, Twisting, and Twining 40 52 54 59 58 263
450 Foundation Garments 35 48 48 75 57 263
419 Powder Metallurgy Processes 48 71 49 43 43 254
014 Bridges 40 37 60 54 59 250
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 20 47 48 57 78 250
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 12 36 47 69 85 249
139 Textiles: Weaving 80 69 37 35 27 248
337 Electricity: Electrothermally or Thermally Actuated Switches 58 61 44 43 29 235
256 Fences 53 44 44 41 46 228
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 23 36 34 77 53 223
283 Printed Matter 18 46 46 45 68 223
332 Modulators 32 64 55 42 27 220
203 Distillation: Processes, Separatory 40 28 36 55 60 219
091 Motors: Expansible Chamber Type 49 34 52 40 39 214
110 Furnaces 22 51 29 53 56 211
494 Imperforate Bowl: Centrifugal Separators 29 33 47 52 46 207
279 Chucks or Sockets 25 34 43 57 47 206
071 Chemistry: Fertilizers 18 47 42 49 48 204
588 Hazardous or Toxic Waste Destruction or Containment 28 42 41 45 40 196
432 Heating 30 44 42 33 41 190
249 Static Molds 27 37 42 43 37 186
223 Apparel Apparatus 21 43 37 45 37 183
038 Textiles: Ironing or Smoothing 22 30 21 43 56 172
212 Traversing Hoists 42 40 29 31 25 167
460 Crop Threshing or Separating 34 38 34 40 19 165
406 Conveyors: Fluid Current 30 30 28 32 41 161
202 Distillation: Apparatus 22 25 29 29 52 157
305 Wheel Substitutes for Land Vehicles 20 38 38 23 26 145
063 Jewelry 25 29 26 30 32 142
238 Railways: Surface Track 10 34 33 32 32 141
125 Stone Working 13 29 32 28 38 140
059 Chain, Staple, and Horseshoe Making 34 26 26 23 30 139
019 Textiles: Fiber Preparation 32 46 27 15 15 135
246 Railway Switches and Signals 20 27 24 29 33 133
512 Perfume Compositions 22 39 15 20 36 132
190 Trunks and Hand-Carried Luggage 20 19 32 21 37 129
027 Undertaking 23 22 31 26 26 128
492 Roll or Roller 18 25 29 29 21 122
412 Bookbinding: Process and Apparatus 15 34 22 28 19 118
028 Textiles: Manufacturing 33 24 19 20 21 117
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 20 39 16 13 25 113
127 Sugar, Starch, and Carbohydrates 6 15 18 25 35 99
150 Purses, Wallets, and Protective Covers 24 25 14 20 16 99
232 Deposit and Collection Receptacles 22 22 18 21 14 97
329 Demodulators 21 19 23 26 5 94
225 Severing by Tearing or Breaking 14 19 14 25 20 92
213 Railway Draft Appliances 15 19 12 14 26 86
157 Wheelwright Machines 17 15 12 17 23 84
007 Compound Hand Tools 13 15 17 13 24 82
201 Distillation: Processes, Thermolytic 9 16 19 19 19 82
054 Harness for Working Animal 25 9 12 22 13 81
191 Electricity: Transmission To Vehicles 11 10 18 14 26 79
298 Land Vehicles: Dumping 6 16 22 19 16 79
193 Conveyors, Chutes, Skids, Guides, and Ways 19 15 15 9 20 78
483 Tool Changing 20 12 9 15 22 78
476 Friction Gear Transmission Systems or Components 15 14 17 18 13 77
076 Metal Tools and Implements, Making 11 14 13 21 17 76
012 Boot and Shoe Making 9 17 16 17 15 74
237 Heating Systems 5 11 13 16 29 74
023 Chemistry: Physical Processes 9 11 19 15 19 73
086 Ammunition and Explosive-Charge Making 14 18 13 12 16 73
281 Books, Strips, and Leaves 10 28 11 13 10 72
178 Telegraphy 1 5 7 21 32 66
352 Optics: Motion Pictures 11 13 12 17 11 64
453 Coin Handling 16 16 4 9 15 60
087 Textiles: Braiding, Netting, and Lace Making 3 9 9 14 20 55
300 Brush, Broom, and Mop Making 8 10 9 13 15 55
140 Wireworking 7 7 14 10 14 52
388 Electricity: Motor Control Systems 11 18 12 6 2 49
109 Safes, Bank Protection, or a Related Device 4 7 3 12 19 45
159 Concentrating Evaporators 7 9 9 8 9 42
373 Industrial Electric Heating Furnaces 3 10 7 6 16 42
226 Advancing Material of Indeterminate Length 5 10 12 5 5 37
289 Knots and Knot Tying 7 3 8 7 11 36
026 Textiles: Cloth Finishing 4 9 4 13 5 35
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 6 6 9 5 7 33
196 Mineral Oils: Apparatus 4 2 7 4 9 26
449 Bee Culture (propagating, raising, caring for bees) 4 3 6 2 7 22
186 Merchandising 4 3 7 2 5 21
171 Unearthing Plants or Buried Objects 2 7 6 3 2 20
069 Leather Manufactures 4 5 4 3 2 18
168 Farriery 9 3 0 2 4 18
413 Sheet Metal Container Making 1 2 4 5 4 16
185 Motors: Spring, Weight, or Animal Powered 2 2 2 4 4 14
291 Track Sanders 2 1 1 1 5 10
334 Tuners 3 5 0 1 1 10
217 Wooden Receptacles 0 3 2 2 2 9
260 Chemistry of Carbon Compounds 3 2 2 0 1 8
346 Recorders 1 1 1 4 1 8
295 Railway Wheels and Axles 1 3 0 1 1 6
234 Selective Cutting (e.g., Punching) 0 2 0 1 2 5
231 Whips and Whip Apparatus 1 2 1 0 0 4
245 Wire Fabrics and Structure 0 0 2 0 2 4
462 Books, Strips, and Leaves for Manifolding 0 0 0 1 2 3
079 Button Making 1 1 0 0 0 2
147 Coopering 0 1 1 0 0 2
314 Electric Lamp and Discharge Devices: Consumable Electrodes 2 0 0 0 0 2
142 Wood Turning 1 0 0 0 0 1
258 Railway Mail Delivery 0 0 0 1 0 1
ALL ALL CLASSES 167349 219614 224505 253155 277835 1142458



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