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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

CALIFORNIA

( 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
370 Multiplex Communications 1193 1597 1608 1729 2020 8147
707 DP: Database and File Management or Data Structures (Data Processing) 661 1212 1173 1354 1459 5859
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 824 1192 1152 1239 1273 5680
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 714 987 1044 1291 1449 5485
455 Telecommunications 563 760 1030 1373 1589 5315
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 344 746 769 905 1246 4010
375 Pulse or Digital Communications 494 639 641 902 949 3625
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 451 619 689 696 865 3320
438 Semiconductor Device Manufacturing: Process 504 713 704 649 665 3235
345 Computer Graphics Processing and Selective Visual Display Systems 419 518 591 709 925 3162
435 Chemistry: Molecular Biology and Microbiology 487 675 646 694 626 3128
128 Surgery (includes Class 600) 330 510 608 715 811 2974
382 Image Analysis 388 468 473 632 698 2659
714 Error Detection/Correction and Fault Detection/Recovery 415 493 466 544 637 2555
606 Surgery (instruments) 212 394 545 609 684 2444
713 Support (Electrical Computers and Digital Processing Systems) 356 467 393 552 624 2392
365 Static Information Storage and Retrieval 440 428 487 462 562 2379
711 Memory (Electrical Computers and Digital Processing Systems) 346 396 480 487 550 2259
726 Information Security 214 307 371 500 741 2133
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 278 396 364 471 571 2080
360 Dynamic Magnetic Information Storage or Retrieval 343 340 378 400 329 1790
348 Television 199 276 279 448 489 1691
604 Surgery (Medicators and Receptors) 152 308 343 388 455 1646
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 263 279 289 348 372 1551
532 Organic Compounds (includes Classes 532-570) 246 292 289 347 352 1526
607 Surgery: Light, Thermal, and Electrical Application 153 224 280 344 409 1410
340 Communications: Electrical 195 235 237 329 352 1348
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 216 268 264 304 248 1300
250 Radiant Energy 241 245 217 270 295 1268
361 Electricity: Electrical Systems and Devices 223 271 231 242 267 1234
702 DP: Measuring, Calibrating, or Testing (Data Processing) 176 257 234 275 291 1233
717 DP: Software Development, Installation, and Management (Data Processing) 152 260 202 253 348 1215
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 118 181 235 266 322 1122
359 Optical: Systems and Elements 213 255 213 205 161 1047
324 Electricity: Measuring and Testing 203 239 210 185 184 1021
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 174 199 189 186 256 1004
356 Optics: Measuring and Testing 229 230 190 165 187 1001
725 Interactive Video Distribution Systems 117 158 207 207 312 1001
379 Telephonic Communications 112 156 164 226 266 924
473 Games Using Tangible Projectile 127 162 179 222 231 921
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 110 121 174 189 271 865
706 DP: Artificial Intelligence (Data Processing) 102 157 173 185 223 840
439 Electrical Connectors 161 185 162 142 168 818
700 DP: Generic Control Systems or Specific Applications (Data Processing) 108 151 148 175 226 808
029 Metal Working 139 158 160 191 157 805
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 76 115 127 174 282 774
326 Electronic Digital Logic Circuitry 192 206 153 98 119 768
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 132 180 173 129 144 758
385 Optical Waveguides 200 161 108 112 166 747
362 Illumination 95 133 154 170 186 738
381 Electrical Audio Signal Processing Systems and Devices 73 91 131 229 191 715
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 94 140 110 157 184 685
428 Stock Material or Miscellaneous Articles 93 122 168 128 134 645
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 84 134 131 135 154 638
398 Optical Communications 116 113 125 117 155 626
341 Coded Data Generation or Conversion 140 150 116 90 123 619
073 Measuring and Testing 122 115 102 120 155 614
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 107 112 144 136 107 606
358 Facsimile and Static Presentation Processing 112 97 114 143 139 605
427 Coating Processes 83 129 115 147 129 603
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 104 101 114 146 127 592
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 65 103 99 131 182 580
380 Cryptography 101 110 96 143 122 572
463 Amusement Devices: Games 15 47 74 195 229 560
343 Communications: Radio Wave Antennas 87 112 120 119 119 557
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 120 136 134 78 85 553
323 Electricity: Power Supply or Regulation Systems 99 114 112 96 120 541
330 Amplifiers 108 126 101 89 89 513
315 Electric Lamp and Discharge Devices: Systems 50 48 90 152 160 500
436 Chemistry: Analytical and Immunological Testing 93 91 99 98 108 489
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 51 97 94 105 142 489
052 Static Structures (e.g., Buildings) 57 82 89 113 140 481
280 Land Vehicles 78 92 93 101 111 475
372 Coherent Light Generators 111 116 93 78 72 470
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 74 82 73 108 112 449
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 47 87 81 111 121 447
204 Chemistry: Electrical and Wave Energy 59 96 67 89 117 428
210 Liquid Purification or Separation 77 74 81 98 89 419
482 Exercise Devices 74 115 106 62 57 414
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 47 58 95 97 112 409
331 Oscillators 80 90 91 75 56 392
320 Electricity: Battery or Capacitor Charging or Discharging 56 62 71 80 98 367
351 Optics: Eye Examining, Vision Testing and Correcting 68 64 84 61 85 362
244 Aeronautics and Astronautics 43 56 81 88 92 360
347 Incremental Printing of Symbolic Information 48 47 60 69 124 348
363 Electric Power Conversion Systems 56 66 78 70 75 345
708 Arithmetic Processing and Calculating (Electrical Computers) 50 72 60 60 99 341
084 Music 61 76 63 69 64 333
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 57 57 68 74 71 327
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 55 83 75 55 53 321
310 Electrical Generator or Motor Structure 65 66 52 69 67 319
369 Dynamic Information Storage or Retrieval 31 33 64 73 117 318
118 Coating Apparatus 35 62 66 73 77 313
248 Supports (e.g., for holding articles, etc.) 51 81 54 68 59 313
307 Electrical Transmission or Interconnection Systems 42 54 75 71 71 313
060 Power Plants 42 53 61 68 80 304
386 Motion Video Signal Processing for Recording or Reproducing 38 47 48 90 81 304
216 Etching a Substrate: Processes 37 36 47 81 102 303
333 Wave Transmission Lines and Networks 59 70 64 49 47 289
378 X-Ray or Gamma Ray Systems or Devices 62 66 56 56 48 288
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 23 73 56 65 65 282
136 Batteries: Thermoelectric and Photoelectric 29 42 63 85 60 279
206 Special Receptacle or Package 42 51 52 74 56 275
220 Receptacles 32 37 58 54 74 255
134 Cleaning and Liquid Contact with Solids 36 42 49 56 65 248
137 Fluid Handling 37 61 35 61 50 244
396 Photography 30 51 44 52 61 238
318 Electricity: Motive Power Systems 33 47 61 52 44 237
219 Electric Heating 33 52 34 53 58 230
423 Chemistry of Inorganic Compounds 36 58 28 32 75 229
002 Apparel 25 46 44 56 56 227
446 Amusement Devices: Toys 37 48 51 47 42 225
174 Electricity: Conductors and Insulators 40 40 42 47 48 217
062 Refrigeration 33 38 37 38 65 211
451 Abrading 30 44 44 39 53 210
433 Dentistry 20 35 58 38 56 207
015 Brushing, Scrubbing, and General Cleaning 30 45 30 36 57 198
005 Beds 21 45 39 42 47 194
602 Surgery: Splint, Brace, or Bandage 21 36 47 47 39 190
033 Geometrical Instruments 31 43 38 35 29 176
123 Internal-Combustion Engines 29 40 36 20 50 175
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 28 34 34 41 34 171
119 Animal Husbandry 23 31 39 40 35 168
252 Compositions 17 28 39 35 49 168
180 Motor Vehicles 20 33 44 35 34 166
313 Electric Lamp and Discharge Devices 22 27 27 43 38 157
434 Education and Demonstration 23 13 28 36 56 156
297 Chairs and Seats 31 29 25 26 40 151
222 Dispensing (apparatus and process) 10 36 26 37 41 150
273 Amusement Devices: Games 28 37 20 30 29 144
349 Liquid Crystal Cells, Elements and Systems 20 17 26 41 38 142
135 Tent, Canopy, Umbrella, or Cane 25 36 33 23 21 138
414 Material or Article Handling 26 36 18 25 33 138
040 Card, Picture, or Sign Exhibiting 14 28 42 30 21 135
290 Prime-Mover Dynamo Plants 23 21 26 30 35 135
004 Baths, Closets, Sinks, and Spittoons 18 25 24 41 25 133
353 Optics: Image Projectors 21 17 29 31 35 133
095 Gas Separation: Processes 18 23 30 28 33 132
296 Land Vehicles: Bodies and Tops 24 34 19 22 32 131
239 Fluid Sprinkling, Spraying, and Diffusing 20 30 24 25 29 128
336 Inductor Devices 20 21 35 26 21 123
426 Food or Edible Material: Processes, Compositions, and Products 18 24 23 28 30 123
036 Boots, Shoes, and Leggings 16 30 27 24 22 119
585 Chemistry of Hydrocarbon Compounds 16 10 18 40 33 117
374 Thermal Measuring and Testing 18 20 11 40 19 108
106 Compositions: Coating or Plastic 13 22 13 32 25 105
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 10 23 37 14 21 105
030 Cutlery 11 27 22 16 25 101
417 Pumps 8 15 28 29 21 101
211 Supports: Racks 10 12 20 29 29 100
208 Mineral Oils: Processes and Products 17 19 23 21 19 99
367 Communications, Electrical: Acoustic Wave Systems and Devices 21 13 14 24 27 99
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 14 35 15 13 20 97
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 20 17 15 25 19 96
224 Package and Article Carriers 6 28 20 14 27 95
126 Stoves and Furnaces 7 17 18 25 25 92
405 Hydraulic and Earth Engineering 13 19 18 18 24 92
181 Acoustics 15 10 25 13 28 91
355 Photocopying 14 14 21 15 27 91
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 15 8 12 29 26 90
024 Buckles, Buttons, Clasps, Etc. 8 15 15 22 29 89
399 Electrophotography 10 29 20 11 18 88
165 Heat Exchange 15 18 15 16 23 87
251 Valves and Valve Actuation 14 15 16 22 19 86
200 Electricity: Circuit Makers and Breakers 15 16 14 17 22 84
228 Metal Fusion Bonding 15 18 14 18 19 84
042 Firearms 10 20 15 20 17 82
415 Rotary Kinetic Fluid Motors or Pumps 7 14 11 29 21 82
404 Road Structure, Process, or Apparatus 12 21 18 15 15 81
089 Ordnance 11 15 19 18 17 80
043 Fishing, Trapping, and Vermin Destroying 7 16 22 14 20 79
047 Plant Husbandry 9 18 10 19 23 79
132 Toilet 10 5 16 22 26 79
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 15 14 15 21 14 79
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 8 15 14 17 25 79
081 Tools 9 16 18 12 22 77
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 12 20 16 17 12 77
070 Locks 10 17 16 16 17 76
188 Brakes 15 11 13 18 19 76
294 Handling: Hand and Hoist-Line Implements 14 15 15 14 18 76
099 Foods and Beverages: Apparatus 6 16 19 15 19 75
114 Ships 14 11 14 16 19 74
285 Pipe Joints or Couplings 15 18 18 14 8 73
401 Coating Implements with Material Supply 10 14 12 19 18 73
441 Buoys, Rafts, and Aquatic Devices 11 15 17 13 17 73
102 Ammunition and Explosives 18 10 13 14 17 72
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 9 14 13 15 20 71
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 13 18 11 11 17 70
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 11 13 15 12 17 68
601 Surgery: Kinesitherapy 11 9 9 14 25 68
124 Mechanical Guns and Projectors 9 16 16 16 10 67
416 Fluid Reaction Surfaces (i.e., Impellers) 7 7 12 17 24 67
096 Gas Separation: Apparatus 8 14 13 12 15 62
074 Machine Element or Mechanism 9 11 8 18 15 61
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 7 8 17 10 18 60
108 Horizontally Supported Planar Surfaces 10 11 11 15 12 59
376 Induced Nuclear Reactions: Processes, Systems, and Elements 15 9 11 11 13 59
312 Supports: Cabinet Structure 10 11 11 16 10 58
366 Agitating (e.g., of articles and materials) 11 7 9 20 11 58
472 Amusement Devices 2 11 12 14 19 58
044 Fuel and Related Compositions 9 9 16 11 12 57
368 Horology: Time Measuring Systems or Devices 12 10 14 8 13 57
148 Metal Treatment 14 7 13 6 16 56
227 Elongated-Member-Driving Apparatus 5 12 17 10 10 54
269 Work Holders 2 12 8 11 20 53
292 Closure Fasteners 6 13 6 10 18 53
053 Package Making 16 9 6 8 8 47
198 Conveyors: Power-Driven 12 8 7 12 8 47
384 Bearings 10 8 8 7 14 47
392 Electric Resistance Heating Devices 3 11 9 12 12 47
101 Printing 7 13 7 6 13 46
138 Pipes and Tubular Conduits 7 13 9 8 9 46
450 Foundation Garments 9 10 5 13 9 46
104 Railways 3 8 9 8 16 44
175 Boring or Penetrating the Earth 9 9 8 10 7 43
254 Implements or Apparatus for Applying Pushing or Pulling Force 5 9 7 10 12 43
072 Metal Deforming 12 7 5 10 8 42
083 Cutting 4 9 10 5 13 41
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 1 9 9 10 12 41
332 Modulators 8 13 9 4 6 40
431 Combustion 9 8 4 9 10 40
048 Gas: Heating and Illuminating 6 6 4 10 12 38
160 Flexible or Portable Closure, Partition, or Panel 7 11 5 11 4 38
221 Article Dispensing 6 6 9 8 9 38
271 Sheet Feeding or Delivering 6 8 12 8 4 38
261 Gas and Liquid Contact Apparatus 8 8 4 8 9 37
209 Classifying, Separating, and Assorting Solids 4 8 5 7 12 36
236 Automatic Temperature and Humidity Regulation 2 5 5 10 13 35
400 Typewriting Machines 3 8 9 5 10 35
403 Joints and Connections 5 6 8 5 9 33
242 Winding, Tensioning, or Guiding 9 5 7 5 6 32
410 Freight Accommodation On Freight Carrier 5 7 8 7 5 32
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 4 8 7 12 32
131 Tobacco 3 4 7 6 11 31
475 Planetary Gear Transmission Systems or Components 5 8 2 9 7 31
049 Movable or Removable Closures 4 2 2 6 16 30
215 Bottles and Jars 7 4 5 4 9 29
301 Land Vehicles: Wheels and Axles 8 5 7 4 5 29
034 Drying and Gas or Vapor Contact with Solids 4 4 4 10 6 28
056 Harvesters 5 9 4 5 5 28
144 Woodworking 6 6 11 2 3 28
241 Solid Material Comminution or Disintegration 4 6 5 5 7 27
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 4 8 7 3 4 26
149 Explosive and Thermic Compositions or Charges 0 4 7 9 6 26
338 Electrical Resistors 2 7 2 6 9 26
055 Gas Separation 9 4 5 5 2 25
152 Resilient Tires and Wheels 5 3 7 5 4 24
383 Flexible Bags 4 4 6 5 5 24
720 Dynamic Optical Information Storage or Retrieval 7 5 7 4 1 24
116 Signals and Indicators 6 3 4 5 5 23
182 Fire Escape, Ladder, or Scaffold 3 3 5 6 6 23
229 Envelopes, Wrappers, and Paperboard Boxes 8 7 2 4 2 23
223 Apparel Apparatus 2 3 6 7 4 22
440 Marine Propulsion 4 6 1 6 5 22
267 Spring Devices 1 4 4 6 6 21
352 Optics: Motion Pictures 3 2 4 7 5 21
445 Electric Lamp or Space Discharge Component or Device Manufacturing 3 5 3 5 5 21
063 Jewelry 1 3 3 5 8 20
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 3 3 4 6 4 20
454 Ventilation 4 5 4 3 4 20
065 Glass Manufacturing 3 5 3 3 5 19
169 Fire Extinguishers 2 9 3 3 2 19
501 Compositions: Ceramic 1 4 7 2 5 19
071 Chemistry: Fertilizers 0 1 4 8 5 18
322 Electricity: Single Generator Systems 3 2 7 4 2 18
100 Presses 5 3 4 3 2 17
125 Stone Working 1 5 2 5 4 17
202 Distillation: Apparatus 3 4 1 5 4 17
283 Printed Matter 1 2 6 1 7 17
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 5 4 1 3 4 17
027 Undertaking 3 1 4 4 4 16
150 Purses, Wallets, and Protective Covers 5 5 2 1 3 16
474 Endless Belt Power Transmission Systems or Components 2 7 0 4 3 16
494 Imperforate Bowl: Centrifugal Separators 2 2 2 8 2 16
505 Superconductor Technology: Apparatus, Material, Process 1 2 3 2 8 16
277 Seal for a Joint or Juncture 3 3 1 7 1 15
408 Cutting by Use of Rotating Axially Moving Tool 2 3 5 3 2 15
409 Gear Cutting, Milling, or Planing 3 3 5 3 1 15
014 Bridges 1 0 4 4 5 14
164 Metal Founding 5 0 1 2 6 14
178 Telegraphy 1 0 0 6 7 14
190 Trunks and Hand-Carried Luggage 4 2 2 2 4 14
249 Static Molds 1 2 5 4 2 14
256 Fences 2 3 1 4 4 14
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 4 3 4 1 13
110 Furnaces 3 4 3 1 2 13
173 Tool Driving or Impacting 5 2 2 4 0 13
203 Distillation: Processes, Separatory 4 1 0 3 5 13
105 Railway Rolling Stock 4 1 5 1 1 12
162 Paper Making and Fiber Liberation 2 0 2 6 2 12
172 Earth Working 3 4 2 1 2 12
281 Books, Strips, and Leaves 2 5 4 0 1 12
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 7 1 3 12
412 Bookbinding: Process and Apparatus 3 7 1 1 0 12
419 Powder Metallurgy Processes 4 2 3 2 1 12
177 Weighing Scales 1 2 5 1 2 11
192 Clutches and Power-Stop Control 3 3 1 1 3 11
082 Turning (e.g., for metal working) 3 4 0 2 1 10
122 Liquid Heaters and Vaporizers 0 2 4 2 2 10
194 Check-Actuated Control Mechanisms 0 2 3 2 3 10
477 Interrelated Power Delivery Controls, Including Engine Control 1 3 2 1 3 10
507 Earth Boring, Well Treating, and Oil Field Chemistry 2 3 1 3 1 10
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 2 5 1 0 2 10
588 Hazardous or Toxic Waste Destruction or Containment 0 2 4 3 1 10
007 Compound Hand Tools 2 1 2 0 4 9
012 Boot and Shoe Making 1 3 2 1 2 9
054 Harness for Working Animal 4 0 0 5 0 9
092 Expansible Chamber Devices 2 3 2 0 2 9
112 Sewing 1 3 2 2 1 9
279 Chucks or Sockets 3 1 1 1 3 9
329 Demodulators 3 2 3 0 1 9
337 Electricity: Electrothermally or Thermally Actuated Switches 1 3 1 2 2 9
432 Heating 1 2 4 1 1 9
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 3 2 1 1 9
066 Textiles: Knitting 0 3 0 0 5 8
140 Wireworking 1 2 2 1 2 8
406 Conveyors: Fluid Current 1 1 2 3 1 8
418 Rotary Expansible Chamber Devices 1 1 2 3 1 8
476 Friction Gear Transmission Systems or Components 1 4 2 1 0 8
504 Plant Protecting and Regulating Compositions 1 2 0 2 3 8
023 Chemistry: Physical Processes 0 2 1 1 3 7
037 Excavating 2 2 0 2 1 7
111 Planting 2 2 2 1 0 7
191 Electricity: Transmission To Vehicles 0 0 3 3 1 7
303 Fluid-Pressure and Analogous Brake Systems 2 2 1 2 0 7
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 3 1 2 1 7
057 Textiles: Spinning, Twisting, and Twining 1 2 1 1 1 6
184 Lubrication 0 0 1 2 3 6
238 Railways: Surface Track 2 1 0 1 2 6
246 Railway Switches and Signals 0 1 2 2 1 6
266 Metallurgical Apparatus 0 0 1 2 3 6
270 Sheet-Material Associating 5 0 1 0 0 6
293 Vehicle Fenders 1 1 0 1 3 6
452 Butchering 3 1 1 1 0 6
038 Textiles: Ironing or Smoothing 1 0 0 2 2 5
051 Abrasive Tool Making Process, Material, or Composition 1 2 1 0 1 5
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 3 2 5
212 Traversing Hoists 2 1 1 0 1 5
225 Severing by Tearing or Breaking 1 1 1 2 0 5
232 Deposit and Collection Receptacles 1 1 0 1 2 5
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 2 0 0 2 5
026 Textiles: Cloth Finishing 0 0 1 3 0 4
086 Ammunition and Explosive-Charge Making 0 0 1 3 0 4
109 Safes, Bank Protection, or a Related Device 0 1 0 1 2 4
139 Textiles: Weaving 0 0 1 3 0 4
289 Knots and Knot Tying 1 1 0 1 1 4
299 Mining or In Situ Disintegration of Hard Material 1 1 0 2 0 4
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 4 0 0 0 4
420 Alloys or Metallic Compositions 0 2 0 1 1 4
019 Textiles: Fiber Preparation 0 0 1 0 2 3
059 Chain, Staple, and Horseshoe Making 0 1 0 1 1 3
068 Textiles: Fluid Treating Apparatus 0 2 0 1 0 3
091 Motors: Expansible Chamber Type 1 0 1 1 0 3
157 Wheelwright Machines 0 2 0 1 0 3
201 Distillation: Processes, Thermolytic 0 1 0 1 1 3
237 Heating Systems 0 0 2 1 0 3
334 Tuners 1 1 0 1 0 3
076 Metal Tools and Implements, Making 0 0 0 0 2 2
127 Sugar, Starch, and Carbohydrates 0 0 1 0 1 2
168 Farriery 1 0 0 1 0 2
185 Motors: Spring, Weight, or Animal Powered 0 0 0 0 2 2
373 Industrial Electric Heating Furnaces 0 0 0 1 1 2
449 Bee Culture (propagating, raising, caring for bees) 0 0 0 0 2 2
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 1 0 0 1 2
492 Roll or Roller 0 0 2 0 0 2
028 Textiles: Manufacturing 0 0 0 1 0 1
159 Concentrating Evaporators 0 1 0 0 0 1
186 Merchandising 0 0 0 1 0 1
196 Mineral Oils: Apparatus 0 0 0 0 1 1
213 Railway Draft Appliances 0 0 0 0 1 1
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 0 1 0 1
298 Land Vehicles: Dumping 0 0 0 0 1 1
300 Brush, Broom, and Mop Making 0 0 0 0 1 1
314 Electric Lamp and Discharge Devices: Consumable Electrodes 1 0 0 0 0 1
346 Recorders 0 0 0 1 0 1
388 Electricity: Motor Control Systems 0 1 0 0 0 1
462 Books, Strips, and Leaves for Manifolding 0 0 0 0 1 1
512 Perfume Compositions 0 0 0 0 1 1
ALL ALL CLASSES 20648 27336 28147 32107 36193 144431



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