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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

WISCONSIN

( 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
378 X-Ray or Gamma Ray Systems or Devices 52 55 70 66 30 273
435 Chemistry: Molecular Biology and Microbiology 33 32 66 45 55 231
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 32 43 51 43 29 198
428 Stock Material or Miscellaneous Articles 56 42 44 34 22 198
123 Internal-Combustion Engines 36 41 44 30 32 183
128 Surgery (includes Class 600) 46 25 33 32 37 173
162 Paper Making and Fiber Liberation 45 44 24 33 26 172
604 Surgery (Medicators and Receptors) 52 41 28 23 24 168
324 Electricity: Measuring and Testing 46 22 41 32 23 164
219 Electric Heating 36 20 30 41 34 161
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 38 27 17 23 16 121
250 Radiant Energy 18 16 33 25 18 110
340 Communications: Electrical 16 15 21 25 31 108
362 Illumination 12 24 19 24 21 100
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 12 13 21 20 20 86
700 DP: Generic Control Systems or Specific Applications (Data Processing) 17 19 23 11 15 85
532 Organic Compounds (includes Classes 532-570) 16 9 22 24 12 83
702 DP: Measuring, Calibrating, or Testing (Data Processing) 16 13 23 13 17 82
382 Image Analysis 17 13 17 16 17 80
440 Marine Propulsion 15 15 19 19 9 77
280 Land Vehicles 17 16 13 13 17 76
052 Static Structures (e.g., Buildings) 13 26 9 12 14 74
239 Fluid Sprinkling, Spraying, and Diffusing 18 15 17 10 13 73
361 Electricity: Electrical Systems and Devices 13 17 15 11 15 71
242 Winding, Tensioning, or Guiding 21 14 14 7 13 69
073 Measuring and Testing 17 17 12 10 11 67
318 Electricity: Motive Power Systems 12 9 21 14 10 66
210 Liquid Purification or Separation 12 10 12 12 19 65
053 Package Making 15 13 8 9 17 62
222 Dispensing (apparatus and process) 16 13 12 13 5 59
029 Metal Working 13 13 14 8 9 57
137 Fluid Handling 12 15 14 10 6 57
206 Special Receptacle or Package 12 11 13 11 9 56
439 Electrical Connectors 13 9 13 7 14 56
056 Harvesters 15 12 12 8 6 53
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 12 16 9 10 6 53
070 Locks 7 11 13 4 17 52
119 Animal Husbandry 8 10 16 9 5 48
707 DP: Database and File Management or Data Structures (Data Processing) 12 9 16 8 3 48
081 Tools 8 9 10 12 8 47
426 Food or Edible Material: Processes, Compositions, and Products 12 14 8 9 4 47
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 16 7 6 5 11 45
180 Motor Vehicles 7 7 8 13 9 44
482 Exercise Devices 10 11 10 5 8 44
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 8 9 12 9 6 44
165 Heat Exchange 8 11 11 7 6 43
248 Supports (e.g., for holding articles, etc.) 4 12 9 9 9 43
062 Refrigeration 11 6 10 10 5 42
198 Conveyors: Power-Driven 6 12 8 8 8 42
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 14 12 10 3 3 42
083 Cutting 13 5 15 4 3 40
004 Baths, Closets, Sinks, and Spittoons 9 7 11 8 4 39
043 Fishing, Trapping, and Vermin Destroying 7 9 8 6 8 38
060 Power Plants 13 7 5 5 8 38
296 Land Vehicles: Bodies and Tops 10 1 8 12 7 38
345 Computer Graphics Processing and Selective Visual Display Systems 8 6 9 10 5 38
033 Geometrical Instruments 12 9 4 6 6 37
200 Electricity: Circuit Makers and Breakers 10 6 8 5 8 37
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 4 6 11 7 9 37
221 Article Dispensing 10 6 7 8 5 36
310 Electrical Generator or Motor Structure 7 9 5 8 6 35
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 8 7 8 5 6 34
030 Cutlery 8 8 7 7 3 33
055 Gas Separation 10 2 3 9 8 32
211 Supports: Racks 7 8 8 8 1 32
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 7 8 5 8 4 32
320 Electricity: Battery or Capacitor Charging or Discharging 2 3 4 9 13 31
356 Optics: Measuring and Testing 7 5 3 6 10 31
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 8 4 6 9 4 31
404 Road Structure, Process, or Apparatus 6 4 13 6 1 30
414 Material or Article Handling 10 8 5 4 3 30
174 Electricity: Conductors and Insulators 5 10 8 3 3 29
307 Electrical Transmission or Interconnection Systems 3 3 11 7 4 28
359 Optical: Systems and Elements 6 7 3 4 8 28
427 Coating Processes 9 9 1 7 2 28
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 5 13 4 3 3 28
606 Surgery (instruments) 4 4 6 9 5 28
241 Solid Material Comminution or Disintegration 5 3 10 2 7 27
254 Implements or Apparatus for Applying Pushing or Pulling Force 6 3 9 2 7 27
037 Excavating 6 9 6 3 2 26
405 Hydraulic and Earth Engineering 5 3 6 5 7 26
607 Surgery: Light, Thermal, and Electrical Application 4 4 4 7 7 26
711 Memory (Electrical Computers and Digital Processing Systems) 4 6 5 3 8 26
015 Brushing, Scrubbing, and General Cleaning 5 5 5 6 4 25
114 Ships 3 3 5 8 6 25
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 3 0 7 10 5 25
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 6 3 3 6 6 24
005 Beds 3 4 7 2 7 23
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 4 8 6 3 2 23
417 Pumps 6 5 3 7 2 23
220 Receptacles 6 7 4 2 3 22
312 Supports: Cabinet Structure 6 3 7 2 4 22
455 Telecommunications 2 4 4 4 8 22
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 8 1 4 4 5 22
040 Card, Picture, or Sign Exhibiting 7 1 5 2 6 21
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 6 7 5 2 1 21
251 Valves and Valve Actuation 4 4 8 1 4 21
366 Agitating (e.g., of articles and materials) 2 6 5 5 3 21
383 Flexible Bags 5 6 2 6 2 21
473 Games Using Tangible Projectile 4 4 4 3 6 21
034 Drying and Gas or Vapor Contact with Solids 6 6 3 1 4 20
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 4 1 5 4 6 20
297 Chairs and Seats 4 3 4 1 8 20
016 Miscellaneous Hardware 4 3 4 4 4 19
336 Inductor Devices 3 5 7 3 1 19
385 Optical Waveguides 8 5 2 3 1 19
002 Apparel 3 3 9 3 0 18
100 Presses 2 3 1 7 5 18
101 Printing 5 1 8 2 2 18
106 Compositions: Coating or Plastic 7 4 4 1 2 18
160 Flexible or Portable Closure, Partition, or Panel 3 2 5 5 3 18
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 3 3 3 2 7 18
014 Bridges 2 4 5 3 3 17
084 Music 6 4 1 6 0 17
224 Package and Article Carriers 7 2 4 3 1 17
292 Closure Fasteners 3 5 4 2 3 17
024 Buckles, Buttons, Clasps, Etc. 3 2 3 2 6 16
049 Movable or Removable Closures 4 3 2 3 4 16
096 Gas Separation: Apparatus 1 3 5 2 5 16
108 Horizontally Supported Planar Surfaces 6 4 3 2 1 16
118 Coating Apparatus 3 3 4 2 4 16
124 Mechanical Guns and Projectors 4 3 1 3 5 16
410 Freight Accommodation On Freight Carrier 3 5 2 3 3 16
436 Chemistry: Analytical and Immunological Testing 5 2 4 4 1 16
451 Abrading 5 5 2 1 3 16
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 3 6 4 1 16
261 Gas and Liquid Contact Apparatus 3 3 5 3 1 15
434 Education and Demonstration 6 3 2 1 3 15
072 Metal Deforming 5 4 2 2 1 14
173 Tool Driving or Impacting 0 5 6 1 2 14
225 Severing by Tearing or Breaking 5 1 4 4 0 14
363 Electric Power Conversion Systems 3 4 2 3 2 14
372 Coherent Light Generators 1 4 3 2 4 14
379 Telephonic Communications 1 5 4 3 1 14
438 Semiconductor Device Manufacturing: Process 3 5 3 1 2 14
602 Surgery: Splint, Brace, or Bandage 2 3 5 2 2 14
713 Support (Electrical Computers and Digital Processing Systems) 2 2 3 4 3 14
042 Firearms 3 2 6 0 2 13
074 Machine Element or Mechanism 4 0 3 4 2 13
099 Foods and Beverages: Apparatus 4 2 3 0 4 13
188 Brakes 2 5 4 2 0 13
290 Prime-Mover Dynamo Plants 4 3 3 3 0 13
315 Electric Lamp and Discharge Devices: Systems 2 1 4 3 3 13
370 Multiplex Communications 2 0 3 2 6 13
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 3 5 0 4 13
415 Rotary Kinetic Fluid Motors or Pumps 2 4 3 1 3 13
433 Dentistry 1 5 2 3 2 13
082 Turning (e.g., for metal working) 4 2 3 1 2 12
138 Pipes and Tubular Conduits 1 3 2 3 3 12
144 Woodworking 1 1 5 2 3 12
192 Clutches and Power-Stop Control 5 2 2 1 2 12
204 Chemistry: Electrical and Wave Energy 2 4 2 3 1 12
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 4 1 1 2 4 12
273 Amusement Devices: Games 2 0 1 4 5 12
294 Handling: Hand and Hoist-Line Implements 2 1 4 3 2 12
375 Pulse or Digital Communications 2 1 2 3 4 12
403 Joints and Connections 4 4 3 0 1 12
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 5 1 3 1 2 12
714 Error Detection/Correction and Fault Detection/Recovery 1 1 2 4 4 12
047 Plant Husbandry 6 3 1 1 0 11
091 Motors: Expansible Chamber Type 1 5 0 2 3 11
134 Cleaning and Liquid Contact with Solids 3 1 1 2 4 11
164 Metal Founding 2 5 3 1 0 11
181 Acoustics 4 1 1 2 3 11
212 Traversing Hoists 5 0 2 1 3 11
399 Electrophotography 3 2 1 5 0 11
126 Stoves and Furnaces 5 2 1 1 1 10
228 Metal Fusion Bonding 4 3 1 0 2 10
229 Envelopes, Wrappers, and Paperboard Boxes 2 1 3 2 2 10
285 Pipe Joints or Couplings 3 3 3 1 0 10
400 Typewriting Machines 2 2 4 1 1 10
431 Combustion 2 0 0 3 5 10
452 Butchering 0 2 2 3 3 10
710 Input/Output (Electrical Computers and Digital Processing Systems) 2 1 4 1 2 10
092 Expansible Chamber Devices 0 1 2 4 2 9
095 Gas Separation: Processes 4 2 1 1 1 9
104 Railways 3 2 2 1 1 9
122 Liquid Heaters and Vaporizers 1 3 3 0 2 9
169 Fire Extinguishers 2 2 1 2 2 9
172 Earth Working 2 2 2 1 2 9
226 Advancing Material of Indeterminate Length 3 1 2 1 2 9
271 Sheet Feeding or Delivering 1 3 0 3 2 9
392 Electric Resistance Heating Devices 0 3 1 5 0 9
408 Cutting by Use of Rotating Axially Moving Tool 1 5 0 2 1 9
454 Ventilation 3 2 1 0 3 9
139 Textiles: Weaving 2 2 1 1 2 8
175 Boring or Penetrating the Earth 1 1 1 3 2 8
209 Classifying, Separating, and Assorting Solids 1 1 4 1 1 8
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 3 3 1 1 0 8
269 Work Holders 2 2 1 2 1 8
277 Seal for a Joint or Juncture 1 1 3 3 0 8
368 Horology: Time Measuring Systems or Devices 0 1 1 0 6 8
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 1 2 3 0 8
446 Amusement Devices: Toys 4 1 2 0 1 8
463 Amusement Devices: Games 1 0 1 1 5 8
283 Printed Matter 0 0 4 3 0 7
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 2 2 2 0 7
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 2 4 7
384 Bearings 2 0 1 2 2 7
396 Photography 2 1 3 1 0 7
416 Fluid Reaction Surfaces (i.e., Impellers) 1 1 2 2 1 7
423 Chemistry of Inorganic Compounds 3 2 1 1 0 7
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 1 3 3 0 7
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 2 1 2 1 1 7
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 2 1 2 6
148 Metal Treatment 2 1 0 0 3 6
182 Fire Escape, Ladder, or Scaffold 1 2 1 2 0 6
184 Lubrication 0 0 4 2 0 6
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 2 2 1 0 6
252 Compositions 1 1 2 2 0 6
270 Sheet-Material Associating 2 1 1 2 0 6
348 Television 2 1 1 0 2 6
358 Facsimile and Static Presentation Processing 0 1 1 3 1 6
401 Coating Implements with Material Supply 2 1 1 1 1 6
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 2 2 2 0 6
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 1 2 2 0 6
706 DP: Artificial Intelligence (Data Processing) 0 1 2 0 3 6
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 2 0 0 1 2 5
051 Abrasive Tool Making Process, Material, or Composition 0 1 2 0 2 5
105 Railway Rolling Stock 0 1 2 1 1 5
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 1 1 0 2 5
215 Bottles and Jars 1 0 2 2 0 5
249 Static Molds 0 1 2 1 1 5
279 Chucks or Sockets 3 0 1 1 0 5
301 Land Vehicles: Wheels and Axles 2 1 2 0 0 5
326 Electronic Digital Logic Circuitry 1 1 1 0 2 5
374 Thermal Measuring and Testing 0 0 2 0 3 5
475 Planetary Gear Transmission Systems or Components 3 1 0 1 0 5
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 3 0 1 0 1 5
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 1 3 0 1 5
601 Surgery: Kinesitherapy 1 0 0 3 1 5
059 Chain, Staple, and Horseshoe Making 0 0 0 3 1 4
116 Signals and Indicators 1 0 0 1 2 4
135 Tent, Canopy, Umbrella, or Cane 1 2 0 0 1 4
216 Etching a Substrate: Processes 1 1 1 1 0 4
244 Aeronautics and Astronautics 1 1 2 0 0 4
267 Spring Devices 0 1 2 0 1 4
322 Electricity: Single Generator Systems 2 0 2 0 0 4
323 Electricity: Power Supply or Regulation Systems 1 1 1 1 0 4
347 Incremental Printing of Symbolic Information 1 0 2 0 1 4
360 Dynamic Magnetic Information Storage or Retrieval 1 0 0 1 2 4
407 Cutters, for Shaping 0 0 2 0 2 4
409 Gear Cutting, Milling, or Planing 0 3 1 0 0 4
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 1 0 2 4
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 1 0 2 1 4
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 3 0 0 0 1 4
007 Compound Hand Tools 1 1 1 0 0 3
066 Textiles: Knitting 1 0 2 0 0 3
102 Ammunition and Explosives 1 1 0 0 1 3
110 Furnaces 0 2 0 0 1 3
112 Sewing 1 2 0 0 0 3
125 Stone Working 1 0 1 0 1 3
132 Toilet 1 0 1 0 1 3
203 Distillation: Processes, Separatory 0 1 2 0 0 3
223 Apparel Apparatus 2 1 0 0 0 3
236 Automatic Temperature and Humidity Regulation 1 0 0 2 0 3
303 Fluid-Pressure and Analogous Brake Systems 0 0 1 0 2 3
337 Electricity: Electrothermally or Thermally Actuated Switches 3 0 0 0 0 3
341 Coded Data Generation or Conversion 1 1 0 0 1 3
343 Communications: Radio Wave Antennas 0 0 0 1 2 3
381 Electrical Audio Signal Processing Systems and Devices 0 0 2 0 1 3
418 Rotary Expansible Chamber Devices 1 2 0 0 0 3
420 Alloys or Metallic Compositions 0 3 0 0 0 3
450 Foundation Garments 0 0 2 0 1 3
453 Coin Handling 2 0 0 1 0 3
460 Crop Threshing or Separating 0 1 1 0 1 3
472 Amusement Devices 0 0 1 1 1 3
717 DP: Software Development, Installation, and Management (Data Processing) 0 0 1 1 1 3
726 Information Security 0 2 1 0 0 3
001 ** Classification Undetermined ** 0 1 1 0 0 2
019 Textiles: Fiber Preparation 0 0 2 0 0 2
036 Boots, Shoes, and Leggings 0 1 0 1 0 2
044 Fuel and Related Compositions 1 0 0 0 1 2
057 Textiles: Spinning, Twisting, and Twining 2 0 0 0 0 2
065 Glass Manufacturing 0 1 0 0 1 2
068 Textiles: Fluid Treating Apparatus 0 0 0 0 2 2
076 Metal Tools and Implements, Making 0 1 0 1 0 2
089 Ordnance 0 1 0 0 1 2
136 Batteries: Thermoelectric and Photoelectric 1 0 1 0 0 2
140 Wireworking 0 0 2 0 0 2
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 1 0 0 2
193 Conveyors, Chutes, Skids, Guides, and Ways 0 2 0 0 0 2
194 Check-Actuated Control Mechanisms 0 0 2 0 0 2
232 Deposit and Collection Receptacles 0 0 0 2 0 2
281 Books, Strips, and Leaves 1 0 0 0 1 2
293 Vehicle Fenders 0 0 0 1 1 2
298 Land Vehicles: Dumping 1 1 0 0 0 2
299 Mining or In Situ Disintegration of Hard Material 1 0 0 0 1 2
305 Wheel Substitutes for Land Vehicles 1 1 0 0 0 2
330 Amplifiers 0 0 1 0 1 2
331 Oscillators 0 1 0 0 1 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 0 0 2 2
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 0 0 0 2 2
432 Heating 0 0 0 1 1 2
441 Buoys, Rafts, and Aquatic Devices 1 0 1 0 0 2
483 Tool Changing 0 1 0 0 1 2
492 Roll or Roller 0 1 1 0 0 2
504 Plant Protecting and Regulating Compositions 0 0 1 1 0 2
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 2 0 0 2
585 Chemistry of Hydrocarbon Compounds 0 1 0 0 1 2
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 0 2 2
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 0 1 1 2
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 1 1 0 0 0 2
012 Boot and Shoe Making 0 0 0 0 1 1
027 Undertaking 0 0 1 0 0 1
028 Textiles: Manufacturing 0 1 0 0 0 1
038 Textiles: Ironing or Smoothing 0 0 1 0 0 1
048 Gas: Heating and Illuminating 0 0 0 1 0 1
054 Harness for Working Animal 1 0 0 0 0 1
063 Jewelry 0 0 0 0 1 1
079 Button Making 0 1 0 0 0 1
127 Sugar, Starch, and Carbohydrates 1 0 0 0 0 1
150 Purses, Wallets, and Protective Covers 0 0 1 0 0 1
168 Farriery 0 1 0 0 0 1
177 Weighing Scales 0 0 0 0 1 1
191 Electricity: Transmission To Vehicles 0 0 1 0 0 1
201 Distillation: Processes, Thermolytic 0 0 1 0 0 1
237 Heating Systems 1 0 0 0 0 1
256 Fences 0 1 0 0 0 1
278 Land Vehicles: Animal Draft Appliances 0 0 0 1 0 1
300 Brush, Broom, and Mop Making 0 1 0 0 0 1
313 Electric Lamp and Discharge Devices 1 0 0 0 0 1
329 Demodulators 0 0 1 0 0 1
333 Wave Transmission Lines and Networks 1 0 0 0 0 1
349 Liquid Crystal Cells, Elements and Systems 0 0 1 0 0 1
365 Static Information Storage and Retrieval 0 0 0 0 1 1
369 Dynamic Information Storage or Retrieval 1 0 0 0 0 1
373 Industrial Electric Heating Furnaces 1 0 0 0 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 1 0 0 0 1
398 Optical Communications 0 0 1 0 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 0 0 0 0 1
474 Endless Belt Power Transmission Systems or Components 0 0 1 0 0 1
476 Friction Gear Transmission Systems or Components 0 1 0 0 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 1 0 0 0 1
494 Imperforate Bowl: Centrifugal Separators 1 0 0 0 0 1
725 Interactive Video Distribution Systems 0 0 0 1 0 1
ALL ALL CLASSES 1658 1489 1688 1412 1349 7596


PTMT Contacts

Questions regarding these reports should be directed to:

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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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