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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

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

Count of 2001 - 2005 Utility Patent Grants,
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 the patent- see 'Explanation of Data' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 2001 2002 2003 2004 2005 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 4172 4368 4064 2983 2616 18203
438 Semiconductor Device Manufacturing: Process 2455 2515 2320 2297 2017 11604
435 Chemistry: Molecular Biology and Microbiology 2602 2366 2095 1772 1547 10382
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1231 1388 1723 1822 1692 7856
128 Surgery (includes Class 600) 1541 1619 1731 1349 1036 7276
370 Multiplex Communications 1119 1245 1376 1709 1615 7064
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1667 1635 1475 1241 1011 7029
428 Stock Material or Miscellaneous Articles 1320 1374 1415 1317 1037 6463
532 Organic Compounds (includes Classes 532-570) 1460 1605 1201 1049 940 6255
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 876 923 917 1194 1161 5071
707 DP: Database and File Management or Data Structures (Data Processing) 759 1032 1087 1112 961 4951
606 Surgery (instruments) 1087 972 1236 865 729 4889
455 Telecommunications 929 879 872 1110 1090 4880
385 Optical Waveguides 721 939 1070 1103 1030 4863
324 Electricity: Measuring and Testing 818 1050 963 979 910 4720
073 Measuring and Testing 803 863 1050 847 878 4441
361 Electricity: Electrical Systems and Devices 860 1010 981 878 698 4427
604 Surgery (Medicators and Receptors) 925 838 1195 813 615 4386
345 Computer Graphics Processing and Selective Visual Display Systems 918 850 825 939 846 4378
711 Memory (Electrical Computers and Digital Processing Systems) 753 844 863 937 894 4291
340 Communications: Electrical 875 801 631 933 916 4156
365 Static Information Storage and Retrieval 817 758 841 851 845 4112
439 Electrical Connectors 884 843 728 855 774 4084
375 Pulse or Digital Communications 689 771 823 871 809 3963
359 Optics: Systems and Elements 708 761 808 818 792 3887
250 Radiant Energy 673 703 794 850 718 3738
382 Image Analysis 741 616 794 917 659 3727
702 DP: Measuring, Calibrating, or Testing (Data Processing) 355 613 851 960 919 3698
379 Telephonic Communications 680 687 715 888 654 3624
714 Error Detection/Correction and Fault Detection/Recovery 629 603 820 822 733 3607
710 Input/Output (Electrical Computers and Digital Processing Systems) 660 623 692 860 623 3458
280 Land Vehicles 811 739 638 615 645 3448
029 Metal Working 729 672 710 679 614 3404
360 Dynamic Magnetic Information Storage or Retrieval 602 657 644 784 588 3275
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 678 709 661 590 522 3160
210 Liquid Purification or Separation 735 611 595 645 553 3139
052 Static Structures (e.g., Buildings) 770 684 583 555 478 3070
123 Internal-Combustion Engines 623 651 605 577 566 3022
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 552 587 585 602 550 2876
347 Incremental Printing of Symbolic Information 605 656 616 520 403 2800
356 Optics: Measuring and Testing 385 459 655 654 577 2730
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 591 566 637 508 387 2689
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 642 600 564 510 356 2672
219 Electric Heating 578 547 499 528 437 2589
700 DP: Generic Control Systems or Specific Applications (Data Processing) 374 463 559 631 517 2544
362 Illumination 536 501 515 468 486 2506
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 521 492 561 533 398 2505
062 Refrigeration 562 593 580 433 328 2496
713 Support (Electrical Computers and Digital Processing Systems) 413 375 459 571 657 2475
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 512 482 471 460 545 2470
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 531 432 527 518 358 2366
427 Coating Processes 496 497 540 448 361 2342
060 Power Plants 439 504 452 459 447 2301
607 Surgery: Light, Thermal, and Electrical Application 442 443 477 441 413 2216
473 Games Using Tangible Projectile 416 458 457 424 428 2183
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 459 371 450 488 385 2153
137 Fluid Handling 588 415 385 360 392 2140
451 Abrading 478 442 427 368 410 2125
174 Electricity: Conductors and Insulators 503 483 389 356 383 2114
348 Television 420 430 441 437 376 2104
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 274 375 507 447 433 2036
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 398 371 359 257 626 2011
248 Supports (e.g., for holding articles, etc.) 437 518 501 299 251 2006
296 Land Vehicles: Bodies and Tops 421 335 384 413 394 1947
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 409 403 435 361 305 1913
206 Special Receptacle or Package 453 398 362 319 354 1886
426 Food or Edible Material: Processes, Compositions, and Products 525 424 401 316 185 1851
341 Coded Data Generation or Conversion 377 397 382 352 331 1839
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 296 307 442 452 341 1838
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 383 377 390 378 308 1836
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 405 358 304 401 360 1828
343 Communications: Radio Wave Antennas 410 411 302 287 391 1801
326 Electronic Digital Logic Circuitry 387 384 337 340 341 1789
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 344 358 368 364 262 1696
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 390 360 351 300 292 1693
310 Electrical Generator or Motor Structure 341 298 274 420 351 1684
717 DP: Software Development, Installation, and Management (Data Processing) 383 274 252 296 357 1562
204 Chemistry: Electrical and Wave Energy 384 366 310 265 229 1554
002 Apparel 392 372 243 295 244 1546
222 Dispensing (apparatus and process) 408 354 253 268 249 1532
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 381 325 261 292 236 1495
297 Chairs and Seats 257 283 328 342 245 1455
436 Chemistry: Analytical and Immunological Testing 282 318 323 282 243 1448
244 Aeronautics and Astronautics 307 292 294 288 257 1438
372 Coherent Light Generators 246 212 304 400 270 1432
239 Fluid Sprinkling, Spraying, and Diffusing 260 261 295 320 274 1410
330 Amplifiers 244 287 329 324 223 1407
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 376 283 226 256 259 1400
005 Beds 252 242 293 300 289 1376
119 Animal Husbandry 264 308 315 216 225 1328
358 Facsimile and Static Presentation Processing 222 257 280 276 293 1328
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 297 316 280 242 165 1300
015 Brushing, Scrubbing, and General Cleaning 292 282 277 232 201 1284
378 X-Ray or Gamma Ray Systems or Devices 284 315 217 229 222 1267
134 Cleaning and Liquid Contact with Solids 248 285 315 229 182 1259
315 Electric Lamp and Discharge Devices: Systems 255 274 284 230 204 1247
414 Material or Article Handling 260 284 274 231 162 1211
482 Exercise Devices 272 257 257 228 188 1202
033 Geometrical Instruments 216 243 238 224 257 1178
180 Motor Vehicles 208 241 259 205 228 1141
463 Amusement Devices: Games 196 170 259 274 237 1136
417 Pumps 299 290 243 177 116 1125
118 Coating Apparatus 284 263 232 182 147 1108
004 Baths, Closets, Sinks, and Spittoons 239 268 216 216 168 1107
252 Compositions 241 183 267 218 144 1053
220 Receptacles 295 247 187 174 133 1036
211 Supports: Racks 232 214 216 187 175 1024
273 Amusement Devices: Games 233 237 234 169 149 1022
114 Ships 214 190 199 184 233 1020
318 Electricity: Motive Power Systems 222 206 185 214 182 1009
423 Chemistry of Inorganic Compounds 211 203 216 202 166 998
043 Fishing, Trapping, and Vermin Destroying 170 203 252 196 172 993
106 Compositions: Coating or Plastic 205 224 215 224 124 992
313 Electric Lamp and Discharge Devices 176 187 235 235 159 992
198 Conveyors: Power-Driven 221 223 211 166 167 988
433 Dentistry 281 223 156 163 154 977
053 Package Making 190 167 201 211 207 976
405 Hydraulic and Earth Engineering 183 207 204 196 183 973
446 Amusement Devices: Toys 193 196 266 191 120 966
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 205 182 177 207 187 958
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 184 213 202 179 178 956
333 Wave Transmission Lines and Networks 119 165 227 222 207 940
434 Education and Demonstration 172 188 224 185 168 937
040 Card, Picture, or Sign Exhibiting 178 184 225 195 149 931
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 246 202 171 179 129 927
399 Electrophotography 206 194 198 183 139 920
224 Package and Article Carriers 214 211 175 188 116 904
398 Optical Communications 149 198 207 178 168 900
175 Boring or Penetrating the Earth 220 200 173 160 133 886
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 188 127 124 181 264 884
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 207 181 170 177 116 851
415 Rotary Kinetic Fluid Motors or Pumps 132 216 173 149 180 850
165 Heat Exchange 171 150 139 190 187 837
242 Winding, Tensioning, or Guiding 171 205 178 159 115 828
363 Electric Power Conversion Systems 208 199 147 127 127 808
708 Arithmetic Processing and Calculating (Electrical Computers) 173 157 150 171 145 796
081 Tools 230 150 130 133 145 788
381 Electrical Audio Signal Processing Systems and Devices 135 139 172 200 142 788
074 Machine Element or Mechanism 222 171 162 122 99 776
323 Electricity: Power Supply or Regulation Systems 168 156 159 148 137 768
030 Cutlery 160 170 171 142 124 767
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 124 127 106 195 197 749
331 Oscillators 149 109 171 174 143 746
285 Pipe Joints or Couplings 151 175 150 138 131 745
351 Optics: Eye Examining, Vision Testing and Correcting 152 130 166 152 140 740
162 Paper Making and Fiber Liberation 189 194 150 123 76 732
024 Buckles, Buttons, Clasps, Etc. 165 198 170 109 88 730
188 Brakes 184 193 138 98 112 725
095 Gas Separation: Processes 124 165 188 133 105 715
228 Metal Fusion Bonding 181 150 135 118 127 711
083 Cutting 160 116 143 168 111 698
251 Valves and Valve Actuation 128 114 130 140 186 698
416 Fluid Reaction Surfaces (i.e., Impellers) 145 177 126 118 115 681
725 Interactive Video Distribution Systems 142 113 149 157 119 680
277 Seal for a Joint or Juncture 163 165 137 115 98 678
320 Electricity: Battery or Capacitor Charging or Discharging 186 145 127 106 110 674
084 Music 156 143 127 136 104 666
101 Printing 142 129 134 172 87 664
148 Metal Treatment 161 151 153 112 85 662
072 Metal Deforming 159 114 131 125 121 650
200 Electricity: Circuit Makers and Breakers 94 125 127 169 135 650
056 Harvesters 132 131 128 116 141 648
216 Etching a Substrate: Processes 118 140 138 132 114 642
070 Locks 122 139 158 111 108 638
312 Supports: Cabinet Structure 117 138 146 123 106 630
706 DP: Artificial Intelligence (Data Processing) 92 103 182 109 142 628
047 Plant Husbandry 142 160 151 92 79 624
099 Foods and Beverages: Apparatus 169 131 132 117 75 624
602 Surgery: Splint, Brace, or Bandage 125 119 140 115 124 623
042 Firearms 124 150 140 120 88 622
726 Information Security 163 99 96 158 104 620
307 Electrical Transmission or Interconnection Systems 128 133 147 136 71 615
369 Dynamic Information Storage or Retrieval 129 106 144 117 103 599
036 Boots, Shoes, and Leggings 118 109 114 117 133 591
585 Chemistry of Hydrocarbon Compounds 124 148 108 107 85 572
401 Coating Implements with Material Supply 147 111 113 107 90 568
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 94 90 94 146 142 566
403 Joints and Connections 136 130 118 97 77 558
160 Flexible or Portable Closure, Partition, or Panel 132 104 110 109 95 550
102 Ammunition and Explosives 126 117 121 88 93 545
182 Fire Escape, Ladder, or Scaffold 97 123 101 115 109 545
475 Planetary Gear Transmission Systems or Components 60 85 140 162 97 544
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 117 87 97 112 124 537
108 Horizontally Supported Planar Surfaces 114 116 109 113 84 536
396 Photography 121 111 123 121 55 531
431 Combustion 114 110 104 102 100 530
016 Miscellaneous Hardware 95 123 117 97 87 519
294 Handling: Hand and Hoist-Line Implements 135 150 103 57 67 512
034 Drying and Gas or Vapor Contact with Solids 121 109 86 104 91 511
400 Typewriting Machines 87 110 98 109 103 507
366 Agitating (e.g., of articles and materials) 109 90 105 105 91 500
126 Stoves and Furnaces 116 82 95 107 94 494
380 Cryptography 126 83 54 78 152 493
208 Mineral Oils: Processes and Products 120 116 99 91 66 492
440 Marine Propulsion 117 115 99 83 77 491
209 Classifying, Separating, and Assorting Solids 126 96 94 91 79 486
271 Sheet Feeding or Delivering 127 90 123 78 67 485
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 105 69 118 121 71 484
164 Metal Founding 80 112 127 75 85 479
404 Road Structure, Process, or Apparatus 74 99 105 113 87 478
367 Communications, Electrical: Acoustic Wave Systems and Devices 101 91 89 101 90 472
454 Ventilation 111 98 98 95 70 472
221 Article Dispensing 114 77 119 90 71 471
292 Closure Fasteners 60 119 125 79 83 466
349 Liquid Crystal Cells, Elements and Systems 96 75 101 96 97 465
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 106 91 76 95 84 452
055 Gas Separation 89 111 84 88 75 447
229 Envelopes, Wrappers, and Paperboard Boxes 132 113 85 46 71 447
254 Implements or Apparatus for Applying Pushing or Pulling Force 95 81 103 79 86 444
065 Glass Manufacturing 101 93 88 113 46 441
049 Movable or Removable Closures 100 89 78 98 75 440
132 Toilet 129 100 91 70 40 430
192 Clutches and Power-Stop Control 79 81 99 97 74 430
241 Solid Material Comminution or Disintegration 82 91 97 71 81 422
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 93 94 89 82 50 408
124 Mechanical Guns and Projectors 72 58 89 120 68 407
353 Optics: Image Projectors 43 58 88 107 100 396
138 Pipes and Tubular Conduits 104 79 74 61 67 385
384 Bearings 99 85 83 60 56 383
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 79 76 98 84 44 381
374 Thermal Measuring and Testing 75 77 82 64 77 375
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 103 79 82 74 35 373
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 72 58 80 84 76 370
037 Excavating 79 92 70 71 57 369
096 Gas Separation: Apparatus 70 79 79 79 59 366
089 Ordnance 77 68 86 78 56 365
181 Acoustics 64 83 89 64 65 365
355 Photocopying 56 58 73 79 95 361
135 Tent, Canopy, Umbrella, or Cane 107 78 50 74 48 357
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 71 49 83 82 67 352
215 Bottles and Jars 81 79 69 57 65 351
383 Flexible Bags 100 78 57 47 68 350
601 Surgery: Kinesitherapy 89 69 63 68 56 345
386 Television Signal Processing for Dynamic Recording or Reproducing 62 73 67 74 66 342
269 Work Holders 73 76 70 58 59 336
410 Freight Accommodation On Freight Carrier 64 59 71 75 66 335
303 Fluid-Pressure and Analogous Brake Systems 91 85 69 43 42 330
290 Prime-Mover Dynamo Plants 59 51 49 89 79 327
336 Inductor Devices 55 60 58 63 89 325
172 Earth Working 75 62 59 63 64 323
501 Compositions: Ceramic 85 63 63 59 47 317
261 Gas and Liquid Contact Apparatus 72 63 73 69 34 311
267 Spring Devices 73 90 63 44 36 306
441 Buoys, Rafts, and Aquatic Devices 56 65 63 58 56 298
301 Land Vehicles: Wheels and Axles 65 69 67 49 45 295
418 Rotary Expansible Chamber Devices 89 67 53 56 29 294
152 Resilient Tires and Wheels 48 82 59 47 45 281
368 Horology: Time Measuring Systems or Devices 68 49 58 60 44 279
136 Batteries: Thermoelectric and Photoelectric 88 58 55 47 26 274
392 Electric Resistance Heating Devices 66 52 37 52 64 271
227 Elongated-Member-Driving Apparatus 50 42 49 71 52 264
504 Plant Protecting and Regulating Compositions 74 61 51 39 34 259
408 Cutting by Use of Rotating Axially Moving Tool 75 55 54 35 38 257
445 Electric Lamp or Space Discharge Component or Device Manufacturing 48 52 60 50 42 252
376 Induced Nuclear Reactions: Processes, Systems, and Elements 67 52 49 48 34 250
092 Expansible Chamber Devices 53 59 55 40 41 248
044 Fuel and Related Compositions 58 43 54 61 30 246
256 Fences 55 40 61 39 47 242
283 Printed Matter 85 48 36 44 28 241
116 Signals and Indicators 47 56 42 51 44 240
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 69 40 39 48 40 236
474 Endless Belt Power Transmission Systems or Components 48 52 54 38 42 234
144 Woodworking 49 55 60 31 28 223
507 Earth Boring, Well Treating, and Oil Field Chemistry 46 28 49 61 37 221
105 Railway Rolling Stock 55 47 43 33 34 212
111 Planting 47 32 49 47 31 206
177 Weighing Scales 35 46 42 48 31 202
452 Butchering 61 32 42 30 34 199
236 Automatic Temperature and Humidity Regulation 48 44 36 38 32 198
223 Apparel Apparatus 59 41 29 38 30 197
104 Railways 50 51 47 25 23 196
477 Interrelated Power Delivery Controls, Including Engine Control 42 43 44 29 38 196
100 Presses 35 24 51 45 40 195
110 Furnaces 51 46 27 27 40 191
149 Explosive and Thermic Compositions or Charges 43 31 40 35 39 188
122 Liquid Heaters and Vaporizers 41 31 47 34 33 186
051 Abrasive Tool Making Process, Material, or Composition 40 39 45 38 20 182
472 Amusement Devices 30 42 38 35 37 182
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 45 57 33 25 21 181
091 Motors: Expansible Chamber Type 46 29 37 33 32 177
432 Heating 47 41 49 21 19 177
131 Tobacco 31 34 34 46 28 173
112 Sewing 57 28 21 34 27 167
293 Vehicle Fenders 33 26 33 38 37 167
249 Static Molds 33 29 32 46 24 164
409 Gear Cutting, Milling, or Planing 29 45 26 27 35 162
173 Tool Driving or Impacting 36 26 36 33 30 161
169 Fire Extinguishers 25 38 32 28 35 158
337 Electricity: Electrothermally or Thermally Actuated Switches 17 29 49 39 23 157
063 Jewelry 22 43 40 32 17 154
082 Turning (e.g., for metal working) 43 25 44 17 15 144
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 42 30 38 21 12 143
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 26 21 40 32 22 141
419 Powder Metallurgy Processes 38 23 35 25 18 139
450 Foundation Garments 35 35 16 24 28 138
266 Metallurgical Apparatus 30 29 29 25 21 134
007 Compound Hand Tools 31 24 22 26 30 133
338 Electrical Resistors 34 31 30 20 16 131
184 Lubrication 34 33 26 18 19 130
279 Chucks or Sockets 37 19 32 18 19 125
299 Mining or In Situ Disintegration of Hard Material 30 28 25 22 19 124
014 Bridges 20 32 21 26 22 121
494 Imperforate Bowl: Centrifugal Separators 19 25 39 23 15 121
194 Check-Actuated Control Mechanisms 35 15 25 20 25 120
406 Conveyors: Fluid Current 26 38 25 22 6 117
125 Stone Working 34 26 11 23 22 116
505 Superconductor Technology: Apparatus, Material, Process 32 26 25 16 16 115
071 Chemistry: Fertilizers 28 40 16 17 13 114
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 32 24 18 23 16 113
588 Hazardous or Toxic Waste Destruction or Containment 37 33 22 10 10 112
407 Cutters, for Shaping 16 14 32 29 18 109
066 Textiles: Knitting 35 16 16 20 21 108
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 17 36 17 15 23 108
460 Crop Threshing or Separating 21 20 17 26 21 105
139 Textiles: Weaving 33 19 11 20 20 103
281 Books, Strips, and Leaves 36 23 10 19 14 102
057 Textiles: Spinning, Twisting, and Twining 26 25 18 20 12 101
232 Deposit and Collection Receptacles 20 17 19 22 23 101
190 Trunks and Hand-Carried Luggage 22 16 30 14 18 100
054 Harness for Working Animal 17 20 28 24 9 98
305 Wheel Substitutes for Land Vehicles 29 29 20 9 10 97
068 Textiles: Fluid Treating Apparatus 22 26 27 10 10 95
246 Railway Switches and Signals 20 24 25 16 9 94
420 Alloys or Metallic Compositions 20 25 19 18 11 93
298 Land Vehicles: Dumping 25 13 18 18 16 90
322 Electricity: Single Generator Systems 24 14 18 16 18 90
203 Distillation: Processes, Separatory 20 29 12 9 16 86
225 Severing by Tearing or Breaking 10 16 17 28 15 86
028 Textiles: Manufacturing 14 20 22 17 8 81
237 Heating Systems 20 13 21 16 11 81
720 Dynamic Optical Information Storage or Retrieval 14 18 13 23 13 81
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 30 14 8 17 9 78
193 Conveyors, Chutes, Skids, Guides, and Ways 19 21 14 14 9 77
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 22 12 15 12 15 76
150 Purses, Wallets, and Protective Covers 19 18 19 12 7 75
027 Undertaking 21 7 19 14 12 73
270 Sheet-Material Associating 19 14 17 18 5 73
352 Optics: Motion Pictures 12 13 18 20 8 71
226 Advancing Material of Indeterminate Length 20 20 13 8 9 70
332 Modulators 18 13 17 8 10 66
202 Distillation: Apparatus 18 10 16 12 8 64
212 Traversing Hoists 17 13 15 11 6 62
038 Textiles: Ironing or Smoothing 16 13 10 13 9 61
048 Gas: Heating and Illuminating 9 2 15 19 15 60
373 Industrial Electric Heating Furnaces 15 14 9 15 6 59
059 Chain, Staple, and Horseshoe Making 11 11 8 10 16 56
492 Roll or Roller 10 14 11 10 11 56
238 Railways: Surface Track 10 17 10 13 5 55
412 Bookbinding: Process and Apparatus 11 11 15 10 8 55
086 Ammunition and Explosive-Charge Making 14 9 13 5 9 50
140 Wireworking 12 13 12 8 5 50
213 Railway Draft Appliances 17 12 5 10 4 48
453 Coin Handling 10 5 17 12 3 47
076 Metal Tools and Implements, Making 11 9 14 6 4 44
127 Sugar, Starch, and Carbohydrates 17 11 3 4 2 37
019 Textiles: Fiber Preparation 14 13 7 1 0 35
168 Farriery 7 11 9 4 4 35
512 Perfume Compositions 7 7 12 4 5 35
191 Electricity: Transmission To Vehicles 8 6 9 7 4 34
186 Merchandising 5 5 11 9 3 33
109 Safes, Bank Protection, or a Related Device 5 6 7 5 9 32
157 Wheelwright Machines 11 3 7 4 7 32
329 Demodulators 8 6 7 9 2 32
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 8 7 3 8 5 31
289 Knots and Knot Tying 10 7 7 4 2 30
026 Textiles: Cloth Finishing 11 4 5 5 2 27
178 Telegraphy 5 7 4 8 1 25
476 Friction Gear Transmission Systems or Components 4 4 3 6 8 25
483 Tool Changing 3 8 7 2 5 25
413 Sheet Metal Container Making 3 4 5 9 1 22
300 Brush, Broom, and Mop Making 5 6 5 1 3 20
388 Electricity: Motor Control Systems 4 4 3 5 3 19
012 Boot and Shoe Making 7 3 1 5 2 18
087 Textiles: Braiding, Netting, and Lace Making 4 6 2 2 1 15
159 Concentrating Evaporators 1 4 0 1 9 15
023 Chemistry: Physical Processes 3 2 5 0 4 14
346 Recorders 3 7 2 0 1 13
449 Bee Culture (propagating, raising, caring for bees) 1 4 3 3 2 13
001 ** Classification Undetermined ** 0 0 1 0 9 10
185 Motors: Spring, Weight, or Animal Powered 2 3 2 2 1 10
295 Railway Wheels and Axles 2 2 3 2 1 10
171 Unearthing Plants or Buried Objects 4 4 0 1 0 9
462 Books, Strips, and Leaves for Manifolding 4 4 1 0 0 9
260 Chemistry of Carbon Compounds 6 0 0 1 0 7
201 Distillation: Processes, Thermolytic 1 1 2 2 0 6
291 Track Sanders 0 1 1 1 3 6
147 Coopering 4 0 0 0 0 4
217 Wooden Receptacles 0 1 1 0 2 4
334 Tuners 0 2 1 0 1 4
079 Button Making 0 1 1 0 1 3
069 Leather Manufactures 1 0 0 0 1 2
142 Wood Turning 1 0 0 0 0 1
196 Mineral Oils: Apparatus 1 0 0 0 0 1
234 Selective Cutting (e.g., Punching) 0 0 0 1 0 1
245 Wire Fabrics and Structure 0 0 0 0 1 1
278 Land Vehicles: Animal Draft Appliances 0 0 1 0 0 1
ALL ALL CLASSES 87600 86971 87893 84271 74637 421372


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