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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 2000 - 2004 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 2000 2001 2002 2003 2004 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 140 123 140 130 73 606
455 Telecommunications 128 87 75 68 96 454
379 Telephonic Communications 61 76 94 80 86 397
123 Internal-Combustion Engines 73 61 102 81 76 393
370 Multiplex Communications 82 70 58 67 99 376
435 Chemistry: Molecular Biology and Microbiology 67 94 60 43 52 316
439 Electrical Connectors 75 86 54 34 56 305
426 Food or Edible Material: Processes, Compositions, and Products 66 72 70 53 36 297
532 Organic Compounds (includes Classes 532-570) 53 57 58 50 54 272
428 Stock Material or Miscellaneous Articles 47 55 59 56 48 265
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 54 67 49 40 42 252
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 52 66 57 40 32 247
210 Liquid Purification or Separation 66 46 41 32 36 221
053 Package Making 48 49 47 37 39 220
340 Communications: Electrical 58 36 43 38 45 220
047 Plant Husbandry 31 31 52 62 28 204
128 Surgery (includes Class 600) 55 41 29 43 32 200
206 Special Receptacle or Package 51 40 27 25 27 170
060 Power Plants 22 45 31 41 30 169
604 Surgery (Medicators and Receptors) 40 33 24 41 30 168
029 Metal Working 31 46 31 29 23 160
361 Electricity: Electrical Systems and Devices 41 38 32 32 16 159
375 Pulse or Digital Communications 27 27 30 31 40 155
385 Optical Waveguides 20 29 41 42 23 155
324 Electricity: Measuring and Testing 24 34 31 21 37 147
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 39 26 29 15 32 141
248 Supports (e.g., for holding articles, etc.) 28 25 36 30 20 139
073 Measuring and Testing 36 24 21 27 26 134
222 Dispensing (apparatus and process) 32 35 22 20 25 134
585 Chemistry of Hydrocarbon Compounds 32 26 39 23 14 134
220 Receptacles 34 30 27 19 17 127
709 Multicomputer Data Transferring or Plural Processor Synchronization (Electrical Computers and Digital Processing Systems) 29 24 34 13 26 126
052 Static Structures (e.g., Buildings) 34 31 20 16 22 123
137 Fluid Handling 26 37 17 19 23 122
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 24 19 36 28 15 122
062 Refrigeration 17 27 32 17 24 117
239 Fluid Sprinkling, Spraying, and Diffusing 32 19 14 23 26 114
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 17 27 15 33 21 113
382 Image Analysis 26 14 17 20 34 111
174 Electricity: Conductors and Insulators 17 23 27 20 23 110
362 Illumination 23 24 21 21 20 109
707 DP: Database and File Management or Data Structures (Data Processing) 22 16 22 26 20 106
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 23 21 19 19 20 102
219 Electric Heating 23 19 23 18 17 100
277 Seal for a Joint or Juncture 24 26 14 22 14 100
606 Surgery (instruments) 29 19 23 21 8 100
702 DP: Measuring, Calibrating, or Testing (Data Processing) 9 10 17 24 33 93
473 Games Using Tangible Projectile 25 13 13 24 17 92
211 Supports: Racks 22 17 20 18 13 90
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 20 23 25 8 13 89
208 Mineral Oils: Processes and Products 33 21 16 8 10 88
280 Land Vehicles 16 25 17 17 13 88
343 Communications: Radio Wave Antennas 23 17 18 16 14 88
040 Card, Picture, or Sign Exhibiting 20 15 12 21 18 86
318 Electricity: Motive Power Systems 13 19 16 14 23 85
417 Pumps 13 21 22 16 11 83
024 Buckles, Buttons, Clasps, Etc. 9 14 21 22 14 80
099 Foods and Beverages: Apparatus 21 22 13 14 10 80
700 DP: Generic Control Systems or Specific Applications (Data Processing) 12 15 18 18 17 80
315 Electric Lamp and Discharge Devices: Systems 13 13 18 16 19 79
015 Brushing, Scrubbing, and General Cleaning 21 21 18 10 6 76
463 Amusement Devices: Games 7 16 12 26 15 76
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 14 18 13 11 18 74
002 Apparel 21 11 13 18 10 73
250 Radiant Energy 17 8 6 19 21 71
378 X-Ray or Gamma Ray Systems or Devices 15 13 18 17 8 71
004 Baths, Closets, Sinks, and Spittoons 9 15 18 11 17 70
356 Optics: Measuring and Testing 9 16 22 15 8 70
198 Conveyors: Power-Driven 12 14 23 8 12 69
438 Semiconductor Device Manufacturing: Process 5 13 12 15 23 68
074 Machine Element or Mechanism 18 18 13 11 7 67
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 18 15 12 10 11 66
310 Electrical Generator or Motor Structure 15 19 10 9 12 65
427 Coating Processes 13 11 14 14 13 65
446 Amusement Devices: Toys 13 6 11 23 12 65
714 Error Detection/Correction and Fault Detection/Recovery 9 17 11 13 15 65
273 Amusement Devices: Games 26 6 12 13 7 64
297 Chairs and Seats 11 13 17 10 13 64
359 Optics: Systems and Elements 17 13 12 10 12 64
180 Motor Vehicles 17 16 7 12 11 63
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 14 11 9 12 16 62
111 Planting 11 13 5 11 21 61
423 Chemistry of Inorganic Compounds 10 11 15 13 12 61
451 Abrading 14 14 10 12 10 60
227 Elongated-Member-Driving Apparatus 13 9 1 16 20 59
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 8 16 20 8 7 59
081 Tools 15 20 9 7 6 57
119 Animal Husbandry 13 8 14 13 9 57
200 Electricity: Circuit Makers and Breakers 17 7 8 10 15 57
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 3 9 10 20 15 57
348 Television 17 8 9 12 11 57
172 Earth Working 21 16 6 7 6 56
414 Material or Article Handling 13 12 15 8 8 56
436 Chemistry: Analytical and Immunological Testing 15 9 10 10 12 56
083 Cutting 13 9 7 11 15 55
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 9 6 9 12 19 55
251 Valves and Valve Actuation 13 8 11 12 11 55
030 Cutlery 13 10 5 10 16 54
033 Geometrical Instruments 9 9 17 12 7 54
105 Railway Rolling Stock 13 17 10 7 7 54
106 Compositions: Coating or Plastic 10 14 16 7 7 54
345 Computer Graphics Processing and Selective Visual Display Systems 5 16 5 19 9 54
434 Education and Demonstration 10 7 8 13 16 54
482 Exercise Devices 11 13 12 9 9 54
381 Electrical Audio Signal Processing Systems and Devices 15 8 6 10 14 53
101 Printing 12 12 10 6 12 52
126 Stoves and Furnaces 16 11 8 7 10 52
460 Crop Threshing or Separating 5 7 11 11 18 52
056 Harvesters 9 15 9 12 6 51
215 Bottles and Jars 19 9 8 8 7 51
016 Miscellaneous Hardware 9 6 12 11 12 50
252 Compositions 18 7 7 11 7 50
401 Coating Implements with Material Supply 12 13 8 7 10 50
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 8 15 8 9 10 50
229 Envelopes, Wrappers, and Paperboard Boxes 8 14 12 8 6 48
296 Land Vehicles: Bodies and Tops 11 16 8 10 3 48
305 Wheel Substitutes for Land Vehicles 10 13 16 4 5 48
403 Joints and Connections 12 15 10 7 4 48
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 9 9 6 11 11 46
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 13 6 7 7 13 46
005 Beds 10 8 8 11 7 44
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 9 11 8 11 5 44
330 Amplifiers 9 14 2 8 10 43
440 Marine Propulsion 5 10 13 8 7 43
312 Supports: Cabinet Structure 12 7 8 11 4 42
405 Hydraulic and Earth Engineering 16 5 11 2 8 42
072 Metal Deforming 14 11 8 4 4 41
148 Metal Treatment 8 8 11 8 6 41
224 Package and Article Carriers 4 7 13 9 8 41
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 10 8 10 4 9 41
431 Combustion 15 7 5 6 8 41
713 Support (Electrical Computers and Digital Processing Systems) 8 11 9 7 6 41
404 Road Structure, Process, or Apparatus 10 8 6 6 9 39
162 Paper Making and Fiber Liberation 11 7 9 6 5 38
307 Electrical Transmission or Interconnection Systems 8 5 8 6 11 38
383 Flexible Bags 9 6 8 8 7 38
433 Dentistry 11 6 3 7 11 38
188 Brakes 2 21 9 2 3 37
037 Excavating 9 6 10 6 5 36
160 Flexible or Portable Closure, Partition, or Panel 13 8 6 6 3 36
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 7 5 3 10 10 35
043 Fishing, Trapping, and Vermin Destroying 9 5 7 8 5 34
091 Motors: Expansible Chamber Type 4 10 6 5 9 34
320 Electricity: Battery or Capacitor Charging or Discharging 7 7 10 4 5 33
475 Planetary Gear Transmission Systems or Components 11 8 3 8 3 33
710 Input/Output (Electrical Computers and Digital Processing Systems) 6 7 6 7 7 33
165 Heat Exchange 5 12 6 4 5 32
242 Winding, Tensioning, or Guiding 4 4 8 10 6 32
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 9 9 6 6 2 32
607 Surgery: Light, Thermal, and Electrical Application 5 10 7 8 2 32
341 Coded Data Generation or Conversion 2 4 4 12 9 31
602 Surgery: Splint, Brace, or Bandage 6 1 6 7 11 31
049 Movable or Removable Closures 7 4 5 7 7 30
070 Locks 7 8 6 4 5 30
134 Cleaning and Liquid Contact with Solids 6 4 6 7 7 30
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 5 10 5 6 4 30
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 4 4 6 7 9 30
095 Gas Separation: Processes 5 7 7 5 5 29
108 Horizontally Supported Planar Surfaces 10 5 3 3 7 28
124 Mechanical Guns and Projectors 6 4 7 5 6 28
192 Clutches and Power-Stop Control 9 4 5 7 3 28
283 Printed Matter 10 4 5 5 4 28
285 Pipe Joints or Couplings 8 3 4 7 6 28
292 Closure Fasteners 8 5 6 7 2 28
351 Optics: Eye Examining, Vision Testing and Correcting 6 8 3 7 4 28
706 DP: Artificial Intelligence (Data Processing) 15 2 2 7 2 28
132 Toilet 9 5 6 3 4 27
034 Drying and Gas or Vapor Contact with Solids 10 5 5 4 2 26
055 Gas Separation 8 4 4 5 5 26
114 Ships 7 5 6 4 4 26
416 Fluid Reaction Surfaces (i.e., Impellers) 5 2 10 4 5 26
138 Pipes and Tubular Conduits 9 3 4 9 0 25
347 Incremental Printing of Symbolic Information 8 6 3 4 4 25
363 Electric Power Conversion Systems 9 8 5 1 2 25
372 Coherent Light Generators 6 6 6 3 4 25
182 Fire Escape, Ladder, or Scaffold 3 3 10 4 4 24
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 5 7 3 6 3 24
254 Implements or Apparatus for Applying Pushing or Pulling Force 7 3 5 5 4 24
313 Electric Lamp and Discharge Devices 7 5 0 5 7 24
337 Electricity: Electrothermally or Thermally Actuated Switches 3 2 6 7 6 24
333 Wave Transmission Lines and Networks 4 4 6 4 5 23
100 Presses 1 2 5 8 6 22
177 Weighing Scales 2 2 5 9 4 22
092 Expansible Chamber Devices 6 4 3 4 4 21
173 Tool Driving or Impacting 5 5 3 4 4 21
194 Check-Actuated Control Mechanisms 8 5 3 5 0 21
221 Article Dispensing 1 7 6 5 2 21
294 Handling: Hand and Hoist-Line Implements 7 3 6 3 2 21
365 Static Information Storage and Retrieval 4 4 6 5 2 21
366 Agitating (e.g., of articles and materials) 5 6 6 2 2 21
410 Freight Accommodation On Freight Carrier 2 2 4 6 7 21
454 Ventilation 7 6 2 3 3 21
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 5 6 0 3 7 21
084 Music 5 3 3 3 6 20
164 Metal Founding 1 2 6 9 2 20
204 Chemistry: Electrical and Wave Energy 2 6 4 5 3 20
213 Railway Draft Appliances 4 4 5 2 5 20
244 Aeronautics 3 5 2 2 8 20
271 Sheet Feeding or Delivering 7 3 5 4 1 20
331 Oscillators 3 2 1 9 5 20
408 Cutting by Use of Rotating Axially Moving Tool 3 3 4 4 6 20
415 Rotary Kinetic Fluid Motors or Pumps 1 10 2 4 3 20
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 0 5 2 11 19
336 Inductor Devices 6 5 4 1 3 19
717 DP: Software Development, Installation, and Management (Data Processing) 2 3 2 4 8 19
474 Endless Belt Power Transmission Systems or Components 5 6 3 1 3 18
725 Interactive Video Distribution Systems 4 3 1 6 4 18
118 Coating Apparatus 4 4 5 1 3 17
281 Books, Strips, and Leaves 5 7 3 1 1 17
301 Land Vehicles: Wheels and Axles 1 2 4 5 5 17
303 Fluid-Pressure and Analogous Brake Systems 7 2 1 5 2 17
384 Bearings 3 4 6 3 1 17
711 Memory (Electrical Computers and Digital Processing Systems) 2 1 5 4 5 17
241 Solid Material Comminution or Disintegration 4 3 3 3 3 16
042 Firearms 0 5 4 3 3 15
236 Automatic Temperature and Humidity Regulation 4 2 3 2 4 15
267 Spring Devices 2 7 4 1 1 15
269 Work Holders 3 4 2 4 2 15
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 4 4 1 1 5 15
380 Cryptography 3 6 3 0 3 15
398 Optical Communications 6 3 1 2 3 15
432 Heating 5 6 4 0 0 15
477 Interrelated Power Delivery Controls, Including Engine Control 4 2 5 4 0 15
044 Fuel and Related Compositions 1 1 1 5 6 14
063 Jewelry 1 2 6 3 2 14
116 Signals and Indicators 2 1 3 5 3 14
140 Wireworking 3 4 4 1 2 14
181 Acoustics 4 3 2 2 3 14
472 Amusement Devices 3 6 2 2 1 14
104 Railways 2 3 4 2 2 13
190 Trunks and Hand-Carried Luggage 2 2 2 5 2 13
228 Metal Fusion Bonding 2 3 4 1 3 13
290 Prime-Mover Dynamo Plants 2 0 3 3 5 13
323 Electricity: Power Supply or Regulation Systems 3 2 3 2 3 13
358 Facsimile and Static Presentation Processing 1 1 4 6 1 13
392 Electric Resistance Heating Devices 4 3 4 0 2 13
400 Typewriting Machines 4 1 4 2 2 13
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 3 4 1 3 2 13
494 Imperforate Bowl: Centrifugal Separators 3 4 2 3 1 13
505 Superconductor Technology: Apparatus, Material, Process 3 3 3 2 2 13
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 5 1 3 2 1 12
135 Tent, Canopy, Umbrella, or Cane 5 2 4 0 1 12
175 Boring or Penetrating the Earth 2 2 3 1 4 12
184 Lubrication 2 3 3 3 1 12
266 Metallurgical Apparatus 0 1 3 6 2 12
298 Land Vehicles: Dumping 3 3 3 0 3 12
299 Mining or In Situ Disintegration of Hard Material 1 0 5 4 2 12
338 Electrical Resistors 6 1 1 2 2 12
418 Rotary Expansible Chamber Devices 6 1 3 0 2 12
453 Coin Handling 5 2 0 4 1 12
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 3 3 2 1 3 12
036 Boots, Shoes, and Leggings 3 4 1 1 2 11
216 Etching a Substrate: Processes 3 0 4 0 4 11
409 Gear Cutting, Milling, or Planing 6 0 2 0 3 11
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 3 4 3 1 0 11
588 Hazardous or Toxic Waste Destruction or Containment 4 3 1 3 0 11
708 Arithmetic Processing and Calculating (Electrical Computers) 7 0 1 1 2 11
082 Turning (e.g., for metal working) 2 0 4 3 1 10
096 Gas Separation: Apparatus 2 4 1 1 2 10
102 Ammunition and Explosives 4 1 1 3 1 10
110 Furnaces 0 5 3 1 1 10
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 1 1 5 2 10
209 Classifying, Separating, and Assorting Solids 1 1 3 2 3 10
246 Railway Switches and Signals 4 5 1 0 0 10
270 Sheet-Material Associating 3 3 1 2 1 10
369 Dynamic Information Storage or Retrieval 2 2 2 4 0 10
396 Photography 1 1 3 3 2 10
407 Cutters, for Shaping 1 2 2 3 2 10
501 Compositions: Ceramic 3 1 2 2 2 10
601 Surgery: Kinesitherapy 2 3 2 0 3 10
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 3 1 3 1 10
007 Compound Hand Tools 3 1 3 2 0 9
223 Apparel Apparatus 2 3 1 1 2 9
374 Thermal Measuring and Testing 2 4 1 2 0 9
212 Traversing Hoists 5 1 0 1 1 8
322 Electricity: Single Generator Systems 3 4 1 0 0 8
332 Modulators 2 0 0 5 1 8
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 3 3 0 0 2 8
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 2 2 1 0 3 8
504 Plant Protecting and Regulating Compositions 3 2 2 0 1 8
051 Abrasive Tool Making Process, Material, or Composition 0 0 2 3 2 7
279 Chucks or Sockets 2 3 0 2 0 7
349 Liquid Crystal Cells, Elements and Systems 1 4 1 1 0 7
360 Dynamic Magnetic Information Storage or Retrieval 1 0 2 2 2 7
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 2 0 3 1 7
452 Butchering 0 2 2 3 0 7
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 1 1 2 3 7
112 Sewing 3 1 1 0 1 6
125 Stone Working 0 2 1 0 3 6
368 Horology: Time Measuring Systems or Devices 1 1 2 1 1 6
014 Bridges 0 1 0 1 3 5
122 Liquid Heaters and Vaporizers 1 2 0 2 0 5
144 Woodworking 0 0 4 1 0 5
249 Static Molds 0 1 3 0 1 5
256 Fences 0 0 2 3 0 5
353 Optics: Image Projectors 0 1 1 2 1 5
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 1 0 1 2 5
373 Industrial Electric Heating Furnaces 1 2 0 0 2 5
445 Electric Lamp or Space Discharge Component or Device Manufacturing 2 0 0 1 2 5
450 Foundation Garments 1 0 3 0 1 5
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 2 1 0 1 5
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 1 1 3 0 0 5
048 Gas: Heating and Illuminating 1 1 0 0 2 4
054 Harness (for animals) 0 0 0 3 1 4
068 Textiles: Fluid Treating Apparatus 0 0 1 1 2 4
071 Chemistry: Fertilizers 2 1 1 0 0 4
127 Sugar, Starch, and Carbohydrates 2 1 0 1 0 4
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 1 2 0 1 4
238 Railways: Surface Track 0 1 0 2 1 4
261 Gas and Liquid Contact Apparatus 2 0 0 2 0 4
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 1 1 0 1 4
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 1 1 1 4
406 Conveyors: Fluid Current 1 0 0 1 2 4
412 Bookbinding: Process and Apparatus 0 1 1 1 1 4
419 Powder Metallurgy Processes 0 1 0 2 1 4
492 Roll or Roller 0 1 1 2 0 4
065 Glass Manufacturing 1 0 2 0 0 3
089 Ordnance 1 1 0 0 1 3
136 Batteries: Thermoelectric and Photoelectric 1 1 0 1 0 3
150 Purses, Wallets, and Protective Covers 0 2 1 0 0 3
152 Resilient Tires and Wheels 1 0 1 0 1 3
202 Distillation: Apparatus 0 1 0 2 0 3
293 Vehicle Fenders 1 0 0 2 0 3
326 Electronic Digital Logic Circuitry 0 1 0 1 1 3
413 Sheet Metal Container Making 0 1 0 1 1 3
483 Tool Changing 1 1 1 0 0 3
012 Boot and Shoe Making 0 1 0 0 1 2
038 Textiles: Ironing or Smoothing 0 1 0 1 0 2
059 Chain, Staple, and Horseshoe Making 0 0 1 1 0 2
066 Textiles: Knitting 1 0 1 0 0 2
076 Metal Tools and Implements, Making 0 2 0 0 0 2
086 Ammunition and Explosive-Charge Making 0 0 1 1 0 2
131 Tobacco 1 0 1 0 0 2
149 Explosive and Thermic Compositions or Charges 0 1 1 0 0 2
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 0 1 0 2
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 1 2
203 Distillation: Processes, Separatory 0 1 0 1 0 2
225 Severing by Tearing or Breaking 0 0 0 1 1 2
226 Advancing Material of Indeterminate Length 1 0 0 1 0 2
237 Heating Systems 1 1 0 0 0 2
329 Demodulators 2 0 0 0 0 2
355 Photocopying 1 0 0 0 1 2
386 Television Signal Processing for Dynamic Recording or Reproducing 0 1 0 0 1 2
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 2 0 0 0 0 2
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 1 0 0 0 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 1 1 2
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 1 0 1 2
720 Dynamic Optical Information Storage or Retrieval 1 0 1 0 0 2
023 Chemistry: Physical Processes 0 0 0 1 0 1
027 Undertaking 0 0 1 0 0 1
028 Textiles: Manufacturing 0 0 0 1 0 1
139 Textiles: Weaving 0 1 0 0 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 0 0 0 0 1
168 Farriery 0 0 1 0 0 1
169 Fire Extinguishers 0 0 0 1 0 1
171 Unearthing Plants or Buried Objects 0 1 0 0 0 1
178 Telegraphy 1 0 0 0 0 1
185 Motors: Spring, Weight, or Animal Powered 0 0 0 0 1 1
186 Merchandising 0 0 1 0 0 1
191 Electricity: Transmission To Vehicles 0 0 0 1 0 1
201 Distillation: Processes, Thermolytic 0 0 1 0 0 1
231 Whips and Whip Apparatus 1 0 0 0 0 1
232 Deposit and Collection Receptacles 0 0 1 0 0 1
291 Track Sanders 1 0 0 0 0 1
352 Optics: Motion Pictures 0 0 0 0 1 1
399 Electrophotography 1 0 0 0 0 1
420 Alloys or Metallic Compositions 1 0 0 0 0 1
441 Buoys, Rafts, and Aquatic Devices 0 0 0 0 1 1
ALL ALL CLASSES 3832 3639 3470 3299 3162 17402


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U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
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tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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