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

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

Count of 2004 - 2008 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

ILLINOIS

( 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 either by year of patent grant or by year of patent application.
Class Class Title 2004 2005 2006 2007 2008 Total
455 Telecommunications 96 100 173 127 99 595
370 Multiplex Communications 99 89 106 72 102 468
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 73 65 87 75 73 373
379 Telephonic Communications 86 63 100 55 62 366
123 Internal-Combustion Engines 76 68 76 68 54 342
439 Electrical Connectors 56 77 63 62 74 332
340 Communications: Electrical 45 37 73 68 49 272
532 Organic Compounds (includes Classes 532-570) 52 39 48 36 37 212
073 Measuring and Testing 26 37 38 58 46 205
435 Chemistry: Molecular Biology and Microbiology 49 42 32 38 36 197
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 32 23 38 58 41 192
060 Power Plants 30 32 44 46 37 189
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 42 46 38 23 29 178
375 Pulse or Digital Communications 40 36 41 33 24 174
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 32 39 42 30 26 169
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 11 14 30 44 70 169
210 Liquid Purification or Separation 36 26 31 37 32 162
250 Radiant Energy 21 21 26 25 57 150
428 Stock Material or Miscellaneous Articles 48 30 27 26 19 150
324 Electricity: Measuring and Testing 37 29 36 21 25 148
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 26 18 43 25 27 139
128 Surgery (includes Class 600) 32 30 32 21 22 137
702 DP: Measuring, Calibrating, or Testing (Data Processing) 33 31 29 26 17 136
426 Food or Edible Material: Processes, Compositions, and Products 36 27 33 20 14 130
206 Special Receptacle or Package 27 23 28 20 27 125
029 Metal Working 23 24 28 18 31 124
385 Optical Waveguides 23 22 29 20 28 122
362 Illumination 20 14 28 38 19 119
053 Package Making 39 34 12 15 17 117
222 Dispensing (apparatus and process) 25 27 29 23 12 116
361 Electricity: Electrical Systems and Devices 16 21 25 28 25 115
137 Fluid Handling 23 23 32 16 17 111
174 Electricity: Conductors and Insulators 23 17 25 23 21 109
382 Image Analysis 34 10 21 28 16 109
585 Chemistry of Hydrocarbon Compounds 14 17 10 21 44 106
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 19 23 20 26 16 104
318 Electricity: Motive Power Systems 22 11 23 26 22 104
707 DP: Database and File Management or Data Structures (Data Processing) 20 9 31 16 27 103
463 Amusement Devices: Games 15 13 22 17 35 102
062 Refrigeration 24 17 19 21 20 101
248 Supports (e.g., for holding articles, etc.) 20 15 26 26 12 99
700 DP: Generic Control Systems or Specific Applications (Data Processing) 17 19 33 13 12 94
280 Land Vehicles 13 22 12 26 20 93
604 Surgery (Medicators and Receptors) 30 22 19 13 8 92
239 Fluid Sprinkling, Spraying, and Diffusing 26 19 23 12 5 85
714 Error Detection/Correction and Fault Detection/Recovery 15 11 16 21 19 82
220 Receptacles 17 11 20 20 11 79
356 Optics: Measuring and Testing 8 13 15 22 21 79
219 Electric Heating 17 17 15 16 13 78
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 15 20 18 8 16 77
473 Games Using Tangible Projectile 17 18 15 19 7 76
052 Static Structures (e.g., Buildings) 21 15 16 9 13 74
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 20 14 20 13 7 74
438 Semiconductor Device Manufacturing: Process 23 13 12 11 15 74
345 Computer Graphics Processing and Selective Visual Display Systems 9 14 24 15 11 73
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 21 6 16 12 18 73
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 13 12 26 11 10 72
111 Planting 21 9 9 19 12 70
227 Elongated-Member-Driving Apparatus 20 10 19 12 9 70
378 X-Ray or Gamma Ray Systems or Devices 8 10 11 13 25 67
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 15 17 13 10 11 66
015 Brushing, Scrubbing, and General Cleaning 6 17 11 18 12 64
343 Communications: Radio Wave Antennas 14 14 12 10 14 64
047 Plant Husbandry 28 12 17 5 1 63
451 Abrading 10 20 22 7 4 63
040 Card, Picture, or Sign Exhibiting 18 9 10 12 13 62
359 Optical: Systems and Elements 12 13 16 8 13 62
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 18 19 6 12 7 62
482 Exercise Devices 9 14 13 17 9 62
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 16 5 11 12 18 62
180 Motor Vehicles 11 10 18 8 14 61
381 Electrical Audio Signal Processing Systems and Devices 14 3 21 15 7 60
606 Surgery (instruments) 8 12 22 10 8 60
024 Buckles, Buttons, Clasps, Etc. 14 10 9 13 13 59
211 Supports: Racks 13 10 15 14 6 58
315 Electric Lamp and Discharge Devices: Systems 19 8 9 10 10 56
002 Apparel 10 11 17 10 6 54
081 Tools 6 9 19 14 6 54
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 11 10 10 14 7 52
198 Conveyors: Power-Driven 12 5 15 9 11 52
208 Mineral Oils: Processes and Products 10 9 14 8 11 52
423 Chemistry of Inorganic Compounds 12 10 13 9 8 52
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 10 10 10 11 11 52
460 Crop Threshing or Separating 18 10 6 12 6 52
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 5 8 12 10 17 52
056 Harvesters 6 13 11 12 9 51
030 Cutlery 16 5 11 7 11 50
033 Geometrical Instruments 7 11 9 12 11 50
297 Chairs and Seats 13 7 16 5 9 50
427 Coating Processes 13 8 5 14 10 50
713 Support (Electrical Computers and Digital Processing Systems) 4 9 16 11 10 50
383 Flexible Bags 7 15 9 7 11 49
200 Electricity: Circuit Makers and Breakers 15 12 9 8 4 48
106 Compositions: Coating or Plastic 7 7 6 17 10 47
310 Electrical Generator or Motor Structure 12 6 9 10 10 47
119 Animal Husbandry 9 13 8 10 5 45
341 Coded Data Generation or Conversion 9 8 11 12 5 45
414 Material or Article Handling 8 10 11 10 6 45
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 10 13 9 8 5 45
004 Baths, Closets, Sinks, and Spittoons 17 9 8 2 8 44
101 Printing 12 7 16 7 2 44
307 Electrical Transmission or Interconnection Systems 11 4 10 8 11 44
436 Chemistry: Analytical and Immunological Testing 12 5 9 14 4 44
251 Valves and Valve Actuation 11 7 11 8 6 43
277 Seal for a Joint or Juncture 14 12 9 4 4 43
083 Cutting 15 3 12 8 4 42
296 Land Vehicles: Bodies and Tops 3 8 12 11 8 42
602 Surgery: Splint, Brace, or Bandage 11 12 6 3 9 41
229 Envelopes, Wrappers, and Paperboard Boxes 6 7 6 11 10 40
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 9 7 6 8 9 39
005 Beds 7 10 6 7 8 38
401 Coating Implements with Material Supply 10 7 5 6 10 38
417 Pumps 11 10 6 5 6 38
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 7 8 8 5 10 38
292 Closure Fasteners 2 7 8 14 6 37
330 Amplifiers 10 8 9 5 5 37
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 7 6 2 16 6 37
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 13 5 8 4 7 37
055 Gas Separation 5 8 2 8 13 36
100 Presses 6 12 5 7 6 36
252 Compositions 7 5 8 10 6 36
312 Supports: Cabinet Structure 4 11 9 7 5 36
348 Television 11 8 5 10 2 36
434 Education and Demonstration 16 5 5 4 6 36
099 Foods and Beverages: Apparatus 10 6 4 5 10 35
717 DP: Software Development, Installation, and Management (Data Processing) 8 6 8 6 7 35
016 Miscellaneous Hardware 12 2 9 5 6 34
084 Music 6 6 3 11 7 33
091 Motors: Expansible Chamber Type 9 8 6 9 1 33
241 Solid Material Comminution or Disintegration 3 5 4 13 8 33
404 Road Structure, Process, or Apparatus 9 7 5 8 4 33
446 Amusement Devices: Toys 12 5 4 6 6 33
710 Input/Output (Electrical Computers and Digital Processing Systems) 7 6 8 8 4 33
072 Metal Deforming 4 7 7 7 6 31
273 Amusement Devices: Games 7 4 9 8 3 31
433 Dentistry 11 4 9 5 2 31
049 Movable or Removable Closures 7 9 6 7 1 30
134 Cleaning and Liquid Contact with Solids 7 3 10 6 4 30
706 DP: Artificial Intelligence (Data Processing) 2 4 9 6 9 30
095 Gas Separation: Processes 5 2 7 3 12 29
405 Hydraulic and Earth Engineering 8 5 5 5 6 29
290 Prime-Mover Dynamo Plants 5 4 6 8 5 28
242 Winding, Tensioning, or Guiding 6 7 3 8 3 27
410 Freight Accommodation On Freight Carrier 7 4 7 6 3 27
070 Locks 5 1 7 6 7 26
126 Stoves and Furnaces 10 7 6 1 2 26
254 Implements or Apparatus for Applying Pushing or Pulling Force 4 10 2 5 5 26
333 Wave Transmission Lines and Networks 5 3 6 9 3 26
347 Incremental Printing of Symbolic Information 4 4 6 3 9 26
475 Planetary Gear Transmission Systems or Components 3 6 6 4 7 26
037 Excavating 5 9 5 4 2 25
118 Coating Apparatus 3 5 10 5 2 25
172 Earth Working 6 8 6 4 1 25
215 Bottles and Jars 7 5 5 1 7 25
285 Pipe Joints or Couplings 6 2 4 3 10 25
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 9 8 3 3 2 25
074 Machine Element or Mechanism 7 6 6 3 2 24
204 Chemistry: Electrical and Wave Energy 3 3 7 4 6 23
224 Package and Article Carriers 8 3 3 4 5 23
294 Handling: Hand and Hoist-Line Implements 2 6 7 3 5 23
165 Heat Exchange 5 6 6 2 3 22
351 Optics: Eye Examining, Vision Testing and Correcting 4 5 3 7 3 22
105 Railway Rolling Stock 7 4 4 2 4 21
114 Ships 4 3 7 3 4 21
124 Mechanical Guns and Projectors 6 5 4 2 4 21
228 Metal Fusion Bonding 3 5 8 3 2 21
398 Optical Communications 3 3 4 6 5 21
408 Cutting by Use of Rotating Axially Moving Tool 6 1 7 6 1 21
409 Gear Cutting, Milling, or Planing 3 4 6 4 4 21
188 Brakes 3 2 8 5 2 20
337 Electricity: Electrothermally or Thermally Actuated Switches 6 6 1 2 5 20
366 Agitating (e.g., of articles and materials) 2 2 5 7 4 20
380 Cryptography 4 3 7 1 5 20
403 Joints and Connections 4 8 4 3 1 20
431 Combustion 8 6 5 0 1 20
173 Tool Driving or Impacting 4 1 5 4 5 19
194 Check-Actuated Control Mechanisms 0 11 3 2 3 19
322 Electricity: Single Generator Systems 0 1 4 6 8 19
043 Fishing, Trapping, and Vermin Destroying 5 3 6 2 2 18
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 5 4 5 1 3 18
454 Ventilation 3 3 3 4 5 18
711 Memory (Electrical Computers and Digital Processing Systems) 5 3 4 4 2 18
726 Information Security 1 2 7 1 7 18
102 Ammunition and Explosives 1 6 5 2 3 17
140 Wireworking 2 2 3 2 8 17
148 Metal Treatment 6 3 1 3 4 17
244 Aeronautics and Astronautics 8 6 2 1 0 17
313 Electric Lamp and Discharge Devices 7 3 4 0 3 17
331 Oscillators 5 2 2 3 5 17
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 4 3 3 4 3 17
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 11 0 3 0 2 16
092 Expansible Chamber Devices 4 3 3 3 3 16
132 Toilet 4 1 4 5 2 16
160 Flexible or Portable Closure, Partition, or Panel 3 7 2 2 2 16
162 Paper Making and Fiber Liberation 5 1 3 4 3 16
175 Boring or Penetrating the Earth 4 5 3 3 1 16
190 Trunks and Hand-Carried Luggage 2 4 7 1 2 16
213 Railway Draft Appliances 5 2 2 5 2 16
320 Electricity: Battery or Capacitor Charging or Discharging 5 4 3 2 2 16
416 Fluid Reaction Surfaces (i.e., Impellers) 5 2 3 3 3 16
607 Surgery: Light, Thermal, and Electrical Application 2 2 7 2 3 16
192 Clutches and Power-Stop Control 3 4 2 2 4 15
267 Spring Devices 1 1 4 4 5 15
363 Electric Power Conversion Systems 2 1 4 5 3 15
372 Coherent Light Generators 4 1 4 3 3 15
415 Rotary Kinetic Fluid Motors or Pumps 3 8 3 0 1 15
108 Horizontally Supported Planar Surfaces 7 1 2 2 2 14
209 Classifying, Separating, and Assorting Solids 3 1 2 4 4 14
216 Etching a Substrate: Processes 4 1 3 2 4 14
299 Mining or In Situ Disintegration of Hard Material 2 3 4 3 2 14
305 Wheel Substitutes for Land Vehicles 5 3 1 2 3 14
440 Marine Propulsion 7 1 3 2 1 14
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 3 1 3 4 3 14
725 Interactive Video Distribution Systems 4 3 5 1 1 14
044 Fuel and Related Compositions 6 2 0 2 3 13
177 Weighing Scales 4 5 1 2 1 13
182 Fire Escape, Ladder, or Scaffold 4 1 2 4 2 13
501 Compositions: Ceramic 2 3 3 3 2 13
601 Surgery: Kinesitherapy 3 2 2 2 4 13
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 3 2 3 2 3 13
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 2 5 2 2 12
144 Woodworking 0 2 2 4 4 12
283 Printed Matter 4 2 3 1 2 12
400 Typewriting Machines 2 3 2 1 4 12
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 2 1 3 3 11
138 Pipes and Tubular Conduits 0 2 2 3 4 11
181 Acoustics 3 1 0 2 5 11
221 Article Dispensing 2 5 1 2 1 11
374 Thermal Measuring and Testing 0 1 0 3 7 11
384 Bearings 1 3 4 2 1 11
068 Textiles: Fluid Treating Apparatus 2 1 4 2 1 10
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 3 2 1 1 3 10
212 Traversing Hoists 1 2 3 2 2 10
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 2 2 3 2 1 10
338 Electrical Resistors 2 3 3 2 0 10
358 Facsimile and Static Presentation Processing 1 4 3 2 0 10
474 Endless Belt Power Transmission Systems or Components 3 5 1 1 0 10
477 Interrelated Power Delivery Controls, Including Engine Control 0 3 1 2 4 10
034 Drying and Gas or Vapor Contact with Solids 2 3 2 1 1 9
164 Metal Founding 2 3 2 1 1 9
261 Gas and Liquid Contact Apparatus 0 4 0 2 3 9
301 Land Vehicles: Wheels and Axles 5 2 1 1 0 9
336 Inductor Devices 3 2 3 1 0 9
365 Static Information Storage and Retrieval 2 3 1 1 2 9
392 Electric Resistance Heating Devices 2 2 2 3 0 9
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 2 2 2 2 1 9
452 Butchering 0 1 3 2 3 9
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 1 2 3 2 1 9
036 Boots, Shoes, and Leggings 2 3 2 0 1 8
048 Gas: Heating and Illuminating 2 1 2 2 1 8
096 Gas Separation: Apparatus 2 0 3 1 2 8
223 Apparel Apparatus 2 1 0 5 0 8
236 Automatic Temperature and Humidity Regulation 4 1 0 3 0 8
266 Metallurgical Apparatus 2 1 2 2 1 8
269 Work Holders 2 2 2 0 2 8
323 Electricity: Power Supply or Regulation Systems 3 1 1 2 1 8
326 Electronic Digital Logic Circuitry 1 2 4 1 0 8
360 Dynamic Magnetic Information Storage or Retrieval 2 0 0 1 5 8
406 Conveyors: Fluid Current 2 2 2 1 1 8
708 Arithmetic Processing and Calculating (Electrical Computers) 2 2 2 1 1 8
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 1 1 3 2 8
007 Compound Hand Tools 0 3 1 2 1 7
042 Firearms 3 0 0 3 1 7
110 Furnaces 1 2 2 1 1 7
112 Sewing 1 2 0 1 3 7
232 Deposit and Collection Receptacles 0 2 0 1 4 7
396 Photography 2 1 1 2 1 7
445 Electric Lamp or Space Discharge Component or Device Manufacturing 2 1 2 2 0 7
472 Amusement Devices 1 3 1 0 2 7
494 Imperforate Bowl: Centrifugal Separators 1 4 1 0 1 7
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 5 2 0 0 0 7
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 3 1 0 3 0 7
063 Jewelry 2 1 1 1 1 6
089 Ordnance 1 0 0 3 2 6
104 Railways 2 0 0 2 2 6
116 Signals and Indicators 3 0 0 2 1 6
270 Sheet-Material Associating 1 1 2 0 2 6
271 Sheet Feeding or Delivering 1 1 2 1 1 6
303 Fluid-Pressure and Analogous Brake Systems 2 0 1 2 1 6
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 1 0 0 3 6
418 Rotary Expansible Chamber Devices 2 1 2 0 1 6
441 Buoys, Rafts, and Aquatic Devices 1 1 2 0 2 6
504 Plant Protecting and Regulating Compositions 1 1 3 1 0 6
051 Abrasive Tool Making Process, Material, or Composition 2 1 0 2 0 5
082 Turning (e.g., for metal working) 1 1 1 1 1 5
122 Liquid Heaters and Vaporizers 0 3 0 1 1 5
184 Lubrication 1 1 2 0 1 5
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 5 0 5
237 Heating Systems 0 3 2 0 0 5
249 Static Molds 2 1 1 1 0 5
281 Books, Strips, and Leaves 1 3 1 0 0 5
349 Liquid Crystal Cells, Elements and Systems 0 2 0 2 1 5
407 Cutters, for Shaping 2 0 1 1 1 5
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 2 0 1 1 5
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 1 2 1 1 5
014 Bridges 3 0 1 0 0 4
125 Stone Working 3 1 0 0 0 4
135 Tent, Canopy, Umbrella, or Cane 1 2 1 0 0 4
152 Resilient Tires and Wheels 1 0 1 1 1 4
157 Wheelwright Machines 0 0 2 1 1 4
169 Fire Extinguishers 0 0 0 2 2 4
193 Conveyors, Chutes, Skids, Guides, and Ways 1 0 2 1 0 4
256 Fences 0 0 3 1 0 4
298 Land Vehicles: Dumping 3 0 0 0 1 4
368 Horology: Time Measuring Systems or Devices 1 1 0 2 0 4
386 Television Signal Processing for Dynamic Recording or Reproducing 1 1 0 2 0 4
450 Foundation Garments 1 0 0 3 0 4
505 Superconductor Technology: Apparatus, Material, Process 2 1 1 0 0 4
023 Chemistry: Physical Processes 0 2 1 0 0 3
038 Textiles: Ironing or Smoothing 0 0 3 0 0 3
054 Harness for Working Animal 1 0 1 1 0 3
086 Ammunition and Explosive-Charge Making 0 0 0 2 1 3
127 Sugar, Starch, and Carbohydrates 0 0 1 1 1 3
136 Batteries: Thermoelectric and Photoelectric 0 0 0 2 1 3
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 1 0 2 3
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 1 1 0 1 0 3
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 1 0 0 1 3
399 Electrophotography 0 0 0 1 2 3
413 Sheet Metal Container Making 1 0 1 0 1 3
453 Coin Handling 1 0 1 0 1 3
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 1 2 0 0 3
588 Hazardous or Toxic Waste Destruction or Containment 0 2 0 1 0 3
059 Chain, Staple, and Horseshoe Making 0 1 1 0 0 2
185 Motors: Spring, Weight, or Animal Powered 1 0 1 0 0 2
202 Distillation: Apparatus 0 0 1 1 0 2
203 Distillation: Processes, Separatory 0 1 0 0 1 2
225 Severing by Tearing or Breaking 1 1 0 0 0 2
238 Railways: Surface Track 1 0 0 0 1 2
332 Modulators 1 0 0 1 0 2
346 Recorders 0 0 2 0 0 2
352 Optics: Motion Pictures 1 0 0 1 0 2
353 Optics: Image Projectors 1 0 1 0 0 2
369 Dynamic Information Storage or Retrieval 0 0 1 1 0 2
373 Industrial Electric Heating Furnaces 2 0 0 0 0 2
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 1 0 0 0 2
388 Electricity: Motor Control Systems 1 0 0 1 0 2
412 Bookbinding: Process and Apparatus 1 1 0 0 0 2
419 Powder Metallurgy Processes 1 1 0 0 0 2
420 Alloys or Metallic Compositions 0 0 1 1 0 2
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 0 0 0 0 2
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 0 0 0 1 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 0 1 0 0 2
012 Boot and Shoe Making 1 0 0 0 0 1
027 Undertaking 0 0 0 1 0 1
071 Chemistry: Fertilizers 0 1 0 0 0 1
191 Electricity: Transmission To Vehicles 0 0 1 0 0 1
196 Mineral Oils: Apparatus 0 0 0 0 1 1
246 Railway Switches and Signals 0 0 0 0 1 1
279 Chucks or Sockets 0 1 0 0 0 1
289 Knots and Knot Tying 0 0 1 0 0 1
355 Photocopying 1 0 0 0 0 1
432 Heating 0 0 0 1 0 1
483 Tool Changing 0 0 0 0 1 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 1 0 0 0 1
512 Perfume Compositions 0 0 1 0 0 1
ALL ALL CLASSES 3162 2752 3294 2894 2741 14843


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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