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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 1998 - 2002 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

ILLINOIS

( 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 1998 1999 2000 2001 2002 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 126 127 140 123 140 656
455 Telecommunications 96 96 128 87 75 482
379 Telephonic Communications 74 79 61 76 94 384
435 Chemistry: Molecular Biology and Microbiology 83 66 66 94 60 369
439 Electrical Connectors 66 78 75 86 54 359
370 Multiplex Communications 47 75 82 70 58 332
532 Organic Compounds (includes Classes 532-570) 81 74 53 57 58 323
123 Internal-Combustion Engines 36 45 73 61 102 317
426 Food or Edible Material: Processes, Compositions, and Products 36 56 66 72 70 300
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 58 66 52 65 57 298
428 Stock Material or Miscellaneous Articles 57 61 47 55 59 279
210 Liquid Purification or Separation 63 45 66 46 41 261
053 Package Making 69 44 48 49 47 257
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 30 51 54 68 49 252
340 Communications: Electrical 49 54 58 35 43 239
128 Surgery (includes Class 600) 47 40 55 41 29 212
206 Special Receptacle or Package 49 44 51 40 27 211
604 Surgery (Medicators and Receptors) 50 45 40 33 24 192
361 Electricity: Electrical Systems and Devices 48 31 41 38 32 190
375 Pulse or Digital Communications 66 39 27 27 30 189
029 Metal Working 36 32 31 46 31 176
585 Chemistry of Hydrocarbon Compounds 35 35 32 26 39 167
220 Receptacles 32 38 34 30 27 161
222 Dispensing (apparatus and process) 34 36 32 35 22 159
248 Supports (e.g., for holding articles, etc.) 39 28 28 25 36 156
052 Static Structures (e.g., Buildings) 33 37 34 31 20 155
137 Fluid Handling 35 32 26 37 17 147
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 25 28 39 26 29 147
073 Measuring and Testing 37 26 36 24 21 144
047 Plant Husbandry 15 14 31 31 52 143
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 17 27 30 25 38 137
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 26 28 24 19 36 133
060 Power Plants 17 13 22 45 31 128
385 Optical Waveguides 18 20 20 29 41 128
324 Electricity: Measuring and Testing 17 19 24 34 31 125
606 Surgery (instruments) 30 24 29 19 23 125
062 Refrigeration 20 27 17 27 32 123
208 Mineral Oils: Processes and Products 17 33 33 21 16 120
239 Fluid Sprinkling, Spraying, and Diffusing 17 36 32 19 14 118
015 Brushing, Scrubbing, and General Cleaning 30 22 21 21 18 112
280 Land Vehicles 25 29 16 25 17 112
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 26 15 20 23 25 109
362 Illumination 16 22 23 24 21 106
382 Image Analysis 30 19 26 14 17 106
277 Seal for a Joint or Juncture 22 19 24 26 14 105
174 Electricity: Conductors and Insulators 24 13 17 23 27 104
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 21 20 23 21 19 104
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 26 17 17 27 15 102
473 Games Using Tangible Projectile 28 21 25 13 13 100
219 Electric Heating 16 16 23 19 23 97
211 Supports: Racks 23 14 22 17 20 96
315 Electric Lamp and Discharge Devices: Systems 18 27 13 13 18 89
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 29 15 14 18 13 89
343 Communications: Radio Wave Antennas 13 17 23 17 18 88
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 21 25 11 20 10 87
273 Amusement Devices: Games 23 19 26 6 12 86
417 Pumps 9 19 13 21 22 84
707 DP: Database and File Management or Data Structures (Data Processing) 9 15 22 16 22 84
099 Foods and Beverages: Apparatus 11 16 21 22 13 83
002 Apparel 14 23 21 11 13 82
074 Machine Element or Mechanism 18 15 18 18 13 82
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 11 25 18 15 12 81
356 Optics: Measuring and Testing 14 16 9 16 22 77
359 Optics: Systems (Including Communication) and Elements 10 14 23 16 13 76
106 Compositions: Coating or Plastic 16 19 10 14 16 75
700 DP: Generic Control Systems or Specific Applications (Data Processing) 18 12 12 15 18 75
318 Electricity: Motive Power Systems 12 14 13 19 16 74
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 17 12 8 16 20 73
297 Chairs and Seats 16 15 11 13 17 72
310 Electrical Generator or Motor Structure 12 16 15 19 10 72
198 Conveyors: Power-Driven 10 12 12 14 23 71
215 Bottles and Jars 16 19 19 9 8 71
004 Baths, Closets, Sinks, and Spittoons 12 16 9 15 18 70
101 Printing 20 16 12 12 10 70
427 Coating Processes 15 16 13 11 14 69
040 Card, Picture, or Sign Exhibiting 8 13 20 15 12 68
378 X-Ray or Gamma Ray Systems or Devices 9 13 15 13 18 68
414 Material or Article Handling 20 8 13 12 15 68
702 DP: Measuring, Calibrating, or Testing (Data Processing) 16 14 9 10 17 66
105 Railway Rolling Stock 19 6 13 17 10 65
172 Earth Working 13 9 21 16 6 65
423 Chemistry of Inorganic Compounds 11 18 10 11 15 65
436 Chemistry: Analytical and Immunological Testing 15 16 15 9 10 65
451 Abrading 14 12 14 14 10 64
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 15 17 8 15 8 63
482 Exercise Devices 11 16 11 13 12 63
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 13 16 14 11 9 63
119 Animal Husbandry 14 13 13 8 14 62
024 Buckles, Buttons, Clasps, Etc. 7 10 9 14 21 61
180 Motor Vehicles 13 8 17 16 7 61
229 Envelopes, Wrappers, and Paperboard Boxes 13 14 8 14 12 61
348 Television 19 7 17 9 9 61
056 Harvesters 8 19 9 15 9 60
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 14 21 9 9 6 59
200 Electricity: Circuit Makers and Breakers 15 11 17 7 8 58
072 Metal Deforming 14 10 14 11 8 57
251 Valves and Valve Actuation 12 13 13 8 11 57
381 Electrical Audio Signal Processing Systems and Devices 12 16 15 8 6 57
296 Land Vehicles: Bodies and Tops 13 7 11 16 8 55
714 Error Detection/Correction and Fault Detection/Recovery 9 9 9 17 11 55
081 Tools 4 6 15 20 9 54
111 Planting 13 12 11 13 5 54
305 Wheel Substitutes for Land Vehicles 7 8 10 13 16 54
083 Cutting 13 11 13 9 7 53
250 Radiant Energy 15 7 17 8 6 53
033 Geometrical Instruments 9 8 9 9 17 52
433 Dentistry 22 10 11 6 3 52
030 Cutlery 12 11 13 10 5 51
330 Amplifiers 7 19 9 14 2 51
403 Joints and Connections 12 1 12 15 10 50
446 Amusement Devices: Toys 9 10 13 6 11 49
252 Compositions 6 10 18 7 7 48
463 Amusement Devices: Games 6 7 7 16 12 48
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 9 10 10 8 10 47
126 Stoves and Furnaces 6 5 16 11 8 46
160 Flexible or Portable Closure, Partition, or Panel 10 9 13 8 6 46
401 Coating Implements with Material Supply 8 5 12 13 8 46
434 Education and Demonstration 10 11 10 7 8 46
438 Semiconductor Device Manufacturing: Process 8 8 5 13 12 46
148 Metal Treatment 10 8 8 8 11 45
224 Package and Article Carriers 10 11 4 7 13 45
005 Beds 13 5 10 8 8 44
016 Miscellaneous Hardware 12 5 9 6 12 44
162 Paper Making and Fiber Liberation 6 11 11 7 9 44
431 Combustion 4 13 15 7 5 44
188 Brakes 6 5 2 21 9 43
283 Printed Matter 14 10 10 4 5 43
307 Electrical Transmission or Interconnection Systems 11 11 8 5 8 43
405 Hydraulic and Earth Engineering 8 3 16 5 11 43
713 Support (Electrical Computers and Digital Processing Systems) 8 7 8 11 9 43
227 Elongated-Member-Driving Apparatus 7 12 13 9 1 42
294 Handling: Hand and Hoist-Line Implements 14 12 7 3 6 42
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 8 10 9 9 6 42
037 Excavating 7 9 9 6 10 41
070 Locks 6 14 7 8 6 41
312 Supports: Cabinet Structure 6 8 12 7 8 41
404 Road Structure, Process, or Apparatus 6 11 10 8 6 41
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 10 5 13 6 7 41
192 Clutches and Power-Stop Control 7 15 9 4 5 40
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 7 8 9 6 9 39
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 7 9 3 9 10 38
034 Drying and Gas or Vapor Contact with Solids 11 6 10 5 5 37
165 Heat Exchange 6 8 5 12 6 37
242 Winding, Tensioning, or Guiding 7 14 4 4 8 37
320 Electricity: Battery or Capacitor Charging or Discharging 6 7 7 7 10 37
108 Horizontally Supported Planar Surfaces 8 10 10 5 3 36
475 Planetary Gear Transmission Systems or Components 2 12 11 8 3 36
132 Toilet 4 10 9 5 6 34
333 Wave Transmission Lines and Networks 14 6 4 4 6 34
363 Electric Power Conversion Systems 4 8 9 8 5 34
091 Motors: Expansible Chamber Type 6 7 4 10 6 33
095 Gas Separation: Processes 10 4 5 7 7 33
347 Incremental Printing of Symbolic Information 6 10 8 6 3 33
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 9 9 7 5 3 33
460 Crop Threshing or Separating 4 5 5 7 11 32
241 Solid Material Comminution or Disintegration 8 13 4 3 3 31
366 Agitating (e.g., of articles and materials) 6 8 5 6 6 31
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 5 6 5 10 5 31
706 DP: Artificial Intelligence (Data Processing) 7 5 15 2 2 31
043 Fishing, Trapping, and Vermin Destroying 3 6 9 5 7 30
134 Cleaning and Liquid Contact with Solids 7 7 6 4 6 30
383 Flexible Bags 3 4 9 6 8 30
440 Marine Propulsion 1 1 5 10 13 30
607 Surgery: Light, Thermal, and Electrical Application 4 4 5 10 7 30
049 Movable or Removable Closures 5 8 7 4 5 29
337 Electricity: Electrothermally or Thermally Actuated Switches 9 9 3 2 6 29
341 Coded Data Generation or Conversion 8 11 2 4 4 29
092 Expansible Chamber Devices 7 8 6 4 3 28
285 Pipe Joints or Couplings 6 7 8 3 4 28
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 9 10 4 4 1 28
454 Ventilation 8 5 7 6 2 28
710 Input/Output (Electrical Computers and Digital Processing Systems) 5 4 6 7 6 28
182 Fire Escape, Ladder, or Scaffold 3 8 3 3 10 27
292 Closure Fasteners 5 3 8 5 6 27
372 Coherent Light Generators 4 5 6 6 6 27
138 Pipes and Tubular Conduits 4 6 9 3 4 26
164 Metal Founding 5 12 1 2 6 26
244 Aeronautics 8 8 3 5 2 26
331 Oscillators 12 8 3 2 1 26
602 Surgery: Splint, Brace, or Bandage 5 8 6 1 6 26
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 6 4 5 7 3 25
323 Electricity: Power Supply or Regulation Systems 6 11 3 2 3 25
416 Fluid Reaction Surfaces (i.e., Impellers) 8 0 5 2 10 25
708 Arithmetic Processing and Calculating (Electrical Computers) 7 10 7 0 1 25
118 Coating Apparatus 6 5 4 4 5 24
725 Interactive Video Distribution Systems 4 12 4 3 1 24
114 Ships 3 2 7 5 6 23
124 Mechanical Guns and Projectors 4 2 6 4 7 23
221 Article Dispensing 3 6 1 7 6 23
384 Bearings 5 5 3 4 6 23
055 Gas Separation 2 4 8 4 4 22
204 Chemistry: Electrical and Wave Energy 6 4 2 6 4 22
271 Sheet Feeding or Delivering 4 3 7 3 5 22
281 Books, Strips, and Leaves 3 4 5 7 3 22
408 Cutting by Use of Rotating Axially Moving Tool 7 5 3 3 4 22
084 Music 5 5 5 3 3 21
267 Spring Devices 6 2 2 7 4 21
351 Optics: Eye Examining, Vision Testing and Correcting 2 2 6 8 3 21
358 Facsimile and Static Presentation Processing 10 5 1 1 4 21
505 Superconductor Technology: Apparatus, Material, Process 5 7 3 3 3 21
715 DP: Presentation Processing of Document (Data Processing) 1 7 3 7 3 21
135 Tent, Canopy, Umbrella, or Cane 5 3 5 3 4 20
194 Check-Actuated Control Mechanisms 3 1 8 5 3 20
400 Typewriting Machines 7 4 4 1 4 20
472 Amusement Devices 7 2 3 6 2 20
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 4 2 4 4 6 20
336 Inductor Devices 3 1 6 5 4 19
380 Cryptography 5 2 3 6 3 19
432 Heating 0 4 5 6 4 19
100 Presses 4 6 1 2 5 18
140 Wireworking 6 1 3 4 4 18
213 Railway Draft Appliances 3 2 4 4 5 18
228 Metal Fusion Bonding 5 4 2 3 4 18
254 Implements or Apparatus for Applying Pushing or Pulling Force 2 1 7 3 5 18
415 Rotary Kinetic Fluid Motors or Pumps 3 2 1 10 2 18
477 Interrelated Power Delivery Controls, Including Engine Control 4 3 4 2 5 18
504 Plant Protecting and Regulating Compositions 6 5 3 2 2 18
588 Hazardous or Toxic Waste Destruction or Containment 6 3 5 3 1 18
322 Electricity: Single Generator Systems 6 3 3 4 1 17
392 Electric Resistance Heating Devices 3 3 4 3 4 17
410 Freight Accommodation On Freight Carrier 4 5 2 2 4 17
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 5 6 3 3 0 17
365 Static Information Storage and Retrieval 2 0 4 4 6 16
409 Gear Cutting, Milling, or Planing 5 3 6 0 2 16
474 Endless Belt Power Transmission Systems or Components 0 2 5 6 3 16
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 3 2 5 6 0 16
717 DP: Software Development, Installation, and Management (Data Processing) 5 4 2 3 2 16
212 Traversing Hoists 4 5 5 1 0 15
338 Electrical Resistors 0 7 6 1 1 15
452 Butchering 7 4 0 2 2 15
042 Firearms 3 2 0 5 4 14
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 2 3 5 1 3 14
082 Turning (e.g., for metal working) 4 4 2 0 4 14
173 Tool Driving or Impacting 1 0 5 5 3 14
181 Acoustics 3 2 4 3 2 14
236 Automatic Temperature and Humidity Regulation 2 3 4 2 3 14
246 Railway Switches and Signals 3 1 4 5 1 14
303 Fluid-Pressure and Analogous Brake Systems 1 3 7 2 1 14
313 Electric Lamp and Discharge Devices 2 0 7 5 0 14
369 Dynamic Information Storage or Retrieval 2 4 3 2 3 14
601 Surgery: Kinesitherapy 5 2 2 3 2 14
209 Classifying, Separating, and Assorting Solids 5 3 1 1 3 13
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 4 6 1 2 0 13
494 Imperforate Bowl: Centrifugal Separators 2 2 3 4 2 13
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 3 2 3 3 2 13
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 2 1 3 4 3 13
711 Memory (Electrical Computers and Digital Processing Systems) 3 2 2 1 5 13
007 Compound Hand Tools 3 2 3 1 3 12
036 Boots, Shoes, and Leggings 3 1 3 4 1 12
104 Railways 1 2 2 3 4 12
110 Furnaces 1 3 0 5 3 12
177 Weighing Scales 0 3 2 2 5 12
269 Work Holders 0 3 3 4 2 12
298 Land Vehicles: Dumping 2 1 3 3 3 12
368 Horology: Time Measuring Systems or Devices 3 5 1 1 2 12
418 Rotary Expansible Chamber Devices 1 1 6 1 3 12
102 Ammunition and Explosives 3 2 4 1 1 11
175 Boring or Penetrating the Earth 3 1 2 2 3 11
184 Lubrication 2 1 2 3 3 11
279 Chucks or Sockets 3 2 3 3 0 11
301 Land Vehicles: Wheels and Axles 4 0 1 2 4 11
407 Cutters, for Shaping 3 3 1 2 2 11
453 Coin Handling 1 3 5 2 0 11
501 Compositions: Ceramic 3 2 3 1 2 11
096 Gas Separation: Apparatus 3 0 2 4 1 10
216 Etching a Substrate: Processes 1 2 3 0 4 10
270 Sheet-Material Associating 1 2 3 3 1 10
374 Thermal Measuring and Testing 3 0 2 4 1 10
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 2 3 4 1 10
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 2 2 3 1 10
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 2 1 0 5 9
063 Jewelry 0 0 1 2 6 9
089 Ordnance 4 3 1 1 0 9
116 Signals and Indicators 1 2 2 1 3 9
190 Trunks and Hand-Carried Luggage 0 3 2 2 2 9
223 Apparel Apparatus 2 1 2 3 1 9
249 Static Molds 3 2 0 1 3 9
349 Liquid Crystal Cells, Elements and Systems 2 1 1 4 1 9
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 3 2 1 2 1 9
131 Tobacco 5 1 1 0 1 8
261 Gas and Liquid Contact Apparatus 1 5 2 0 0 8
266 Metallurgical Apparatus 1 3 0 1 3 8
376 Induced Nuclear Reactions: Processes, Systems, and Elements 2 3 1 1 1 8
044 Fuel and Related Compositions 0 4 1 1 1 7
065 Glass Manufacturing 2 2 1 0 2 7
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 3 1 1 1 1 7
127 Sugar, Starch, and Carbohydrates 3 1 2 1 0 7
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 5 1 1 0 0 7
290 Prime-Mover Dynamo Plants 0 2 2 0 3 7
299 Mining or In Situ Disintegration of Hard Material 1 0 1 0 5 7
396 Photography 2 0 1 1 3 7
450 Foundation Garments 0 3 1 0 3 7
112 Sewing 1 0 3 1 1 6
144 Woodworking 1 1 0 0 4 6
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 3 2 1 0 0 6
373 Industrial Electric Heating Furnaces 0 3 1 2 0 6
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 3 0 1 1 6
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 2 2 1 6
492 Roll or Roller 2 2 0 1 1 6
068 Textiles: Fluid Treating Apparatus 1 3 0 0 1 5
076 Metal Tools and Implements, Making 1 2 0 2 0 5
122 Liquid Heaters and Vaporizers 2 0 1 2 0 5
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 2 0 0 1 2 5
256 Fences 1 2 0 0 2 5
329 Demodulators 3 0 2 0 0 5
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 3 2 0 0 5
071 Chemistry: Fertilizers 0 0 2 1 1 4
125 Stone Working 0 1 0 2 1 4
150 Purses, Wallets, and Protective Covers 1 0 0 2 1 4
326 Electronic Digital Logic Circuitry 1 2 0 1 0 4
386 Television Signal Processing for Dynamic Recording or Reproducing 1 2 0 1 0 4
412 Bookbinding: Process and Apparatus 2 0 0 1 1 4
483 Tool Changing 0 1 1 1 1 4
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 1 0 1 1 4
014 Bridges 1 1 0 1 0 3
038 Textiles: Ironing or Smoothing 2 0 0 1 0 3
048 Gas: Heating and Illuminating 0 1 1 1 0 3
149 Explosive and Thermic Compositions or Charges 1 0 0 1 1 3
152 Resilient Tires and Wheels 0 1 1 0 1 3
225 Severing by Tearing or Breaking 3 0 0 0 0 3
237 Heating Systems 1 0 1 1 0 3
238 Railways: Surface Track 1 1 0 1 0 3
332 Modulators 1 0 2 0 0 3
353 Optics: Image Projectors 0 1 0 1 1 3
355 Photocopying 1 1 1 0 0 3
360 Dynamic Magnetic Information Storage or Retrieval 0 0 1 0 2 3
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 0 1 1 0 3
413 Sheet Metal Container Making 0 2 0 1 0 3
419 Powder Metallurgy Processes 1 1 0 1 0 3
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 2 0 0 3
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 1 1 1 0 3
027 Undertaking 0 1 0 0 1 2
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 0 2 2
066 Textiles: Knitting 0 0 1 0 1 2
136 Batteries: Thermoelectric and Photoelectric 0 0 1 1 0 2
169 Fire Extinguishers 0 2 0 0 0 2
203 Distillation: Processes, Separatory 0 1 0 1 0 2
226 Advancing Material of Indeterminate Length 1 0 1 0 0 2
300 Brush, Broom, and Mop Making 1 1 0 0 0 2
399 Electrophotography 0 1 1 0 0 2
406 Conveyors: Fluid Current 1 0 1 0 0 2
420 Alloys or Metallic Compositions 0 1 1 0 0 2
001 ** Classification Undetermined ** 1 0 0 0 0 1
012 Boot and Shoe Making 0 0 0 1 0 1
028 Textiles: Manufacturing 1 0 0 0 0 1
054 Harness (for animals) 0 1 0 0 0 1
057 Textiles: Spinning, Twisting, and Twining 1 0 0 0 0 1
059 Chain, Staple, and Horseshoe Making 0 0 0 0 1 1
069 Leather Manufactures 0 1 0 0 0 1
086 Ammunition and Explosive-Charge Making 0 0 0 0 1 1
087 Textiles: Braiding, Netting, and Lace Making 1 0 0 0 0 1
109 Safes, Bank Protection, or a Related Device 0 1 0 0 0 1
139 Textiles: Weaving 0 0 0 1 0 1
168 Farriery 0 0 0 0 1 1
171 Unearthing Plants or Buried Objects 0 0 0 1 0 1
178 Telegraphy 0 0 1 0 0 1
185 Motors: Spring, Weight, or Animal Powered 0 1 0 0 0 1
186 Merchandising 0 0 0 0 1 1
201 Distillation: Processes, Thermolytic 0 0 0 0 1 1
202 Distillation: Apparatus 0 0 0 1 0 1
231 Whips and Whip Apparatus 0 0 1 0 0 1
232 Deposit and Collection Receptacles 0 0 0 0 1 1
291 Track Sanders 0 0 1 0 0 1
293 Vehicle Fenders 0 0 1 0 0 1
441 Buoys, Rafts, and Aquatic Devices 1 0 0 0 0 1
ALL ALL CLASSES 3725 3736 3833 3640 3470 18404


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