U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting By Geographic Region (State and Country), Breakout By Technology Class
Count of 1997 - 2001 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

NEVADA

(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')
 
Class Class Title 1997 1998 1999 2000 2001 Total
463 Amusement Devices: Games 5 33 20 41 43 142
273 Amusement Devices: Games 20 19 22 24 24 109
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 7 14 10 10 2 43
340 Communications: Electrical 5 7 2 9 10 33
128 Surgery (includes Class 600) 0 9 9 5 7 30
029 Metal Working 4 8 6 6 4 28
004 Baths, Closets, Sinks, and Spittoons 0 4 5 7 6 22
210 Liquid Purification or Separation 3 2 6 6 5 22
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 4 2 5 6 5 22
248 Supports (e.g., for holding articles, etc.) 2 7 2 7 1 19
604 Surgery (Medicators and Receptors) 2 8 3 3 2 18
002 Apparel 5 2 5 3 1 16
206 Special Receptacle or Package 2 4 3 5 2 16
280 Land Vehicles 1 4 3 4 4 16
362 Illumination 1 2 6 4 3 16
473 Games Using Tangible Projectile 5 1 4 2 4 16
119 Animal Husbandry 0 5 1 6 3 15
606 Surgery (instruments) 1 3 5 3 3 15
433 Dentistry 2 3 5 1 3 14
062 Refrigeration 5 4 0 0 4 13
073 Measuring and Testing 2 2 4 2 3 13
137 Fluid Handling 1 0 5 3 4 13
194 Check-Actuated Control Mechanisms 1 2 5 3 2 13
435 Chemistry: Molecular Biology and Microbiology 1 2 5 4 1 13
607 Surgery: Light, Thermal, and Electrical Application 1 2 1 1 7 12
052 Static Structures (e.g., Buildings) 1 4 2 1 3 11
219 Electric Heating 0 0 1 8 2 11
428 Stock Material or Miscellaneous Articles 1 5 3 2 0 11
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 3 2 3 1 10
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 3 1 4 2 10
324 Electricity: Measuring and Testing 1 3 2 1 3 10
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 1 5 4 10
043 Fishing, Trapping, and Vermin Destroying 2 1 2 2 2 9
222 Dispensing (apparatus and process) 3 1 1 1 3 9
242 Winding, Tensioning, or Guiding 2 0 2 4 1 9
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 1 2 2 1 3 9
361 Electricity: Electrical Systems and Devices 0 1 3 2 3 9
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 2 6 0 8
123 Internal-Combustion Engines 4 2 1 0 1 8
224 Package and Article Carriers 2 0 2 2 2 8
296 Land Vehicles: Bodies and Tops 0 3 3 1 1 8
370 Multiplex Communications 2 0 0 2 4 8
427 Coating Processes 3 1 3 1 0 8
453 Coin Handling 1 0 3 0 4 8
024 Buckles, Buttons, Clasps, Etc. 0 1 3 2 1 7
036 Boots, Shoes, and Leggings 2 1 0 3 1 7
070 Locks 0 1 2 3 1 7
114 Ships 0 0 1 3 3 7
204 Chemistry: Electrical and Wave Energy 4 1 1 0 1 7
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1 0 3 3 0 7
239 Fluid Sprinkling, Spraying, and Diffusing 2 1 3 1 0 7
250 Radiant Energy 2 1 0 1 3 7
348 Television 1 0 2 1 3 7
379 Telephonic Communications 0 1 0 1 5 7
423 Chemistry of Inorganic Compounds 1 2 1 0 3 7
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 2 3 1 1 7
015 Brushing, Scrubbing, and General Cleaning 0 0 2 3 1 6
084 Music 2 2 2 0 0 6
220 Receptacles 2 3 0 0 1 6
244 Aeronautics 1 0 3 1 1 6
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 1 4 0 1 6
404 Road Structure, Process, or Apparatus 0 3 1 2 0 6
482 Exercise Devices 2 1 1 1 1 6
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 1 1 4 6
040 Card, Picture, or Sign Exhibiting 1 0 1 0 3 5
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 1 2 1 5
099 Foods and Beverages: Apparatus 1 1 3 0 0 5
108 Horizontally Supported Planar Surfaces 1 0 2 1 1 5
132 Toilet 0 2 1 0 2 5
211 Supports: Racks 2 1 0 1 1 5
292 Closure Fasteners 1 1 1 2 0 5
297 Chairs and Seats 0 2 1 2 0 5
341 Coded Data Generation or Conversion 0 2 0 2 1 5
366 Agitating (e.g., of articles and materials) 2 0 3 0 0 5
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 3 2 0 0 5
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 2 2 1 5
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 1 2 2 0 5
016 Miscellaneous Hardware 0 1 1 1 1 4
060 Power Plants 0 0 0 3 1 4
110 Furnaces 1 0 1 1 1 4
138 Pipes and Tubular Conduits 1 0 2 0 1 4
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 1 1 2 0 4
221 Article Dispensing 0 1 0 1 2 4
251 Valves and Valve Actuation 0 0 2 2 0 4
252 Compositions 1 0 0 0 3 4
320 Electricity: Battery or Capacitor Charging or Discharging 0 2 0 1 1 4
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 1 1 1 1 4
383 Flexible Bags 0 1 1 1 1 4
431 Combustion 0 0 2 1 1 4
434 Education and Demonstration 0 1 1 1 1 4
436 Chemistry: Analytical and Immunological Testing 1 1 0 2 0 4
439 Electrical Connectors 0 1 1 1 1 4
451 Abrading 0 0 0 2 2 4
602 Surgery: Splint, Brace, or Bandage 3 0 0 0 1 4
714 Error Detection/Correction and Fault Detection/Recovery 2 2 0 0 0 4
005 Beds 0 0 0 1 2 3
081 Tools 0 0 2 1 0 3
106 Compositions: Coating or Plastic 1 0 1 0 1 3
152 Resilient Tires and Wheels 0 1 1 0 1 3
174 Electricity: Conductors and Insulators 1 0 0 0 2 3
184 Lubrication 1 0 1 1 0 3
209 Classifying, Separating, and Assorting Solids 0 0 1 1 1 3
256 Fences 0 1 0 1 1 3
290 Prime-Mover Dynamo Plants 1 1 0 0 1 3
294 Handling: Hand and Hoist-Line Implements 2 1 0 0 0 3
315 Electric Lamp and Discharge Devices: Systems 0 1 0 1 1 3
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 1 2 0 3
338 Electrical Resistors 0 0 1 1 1 3
343 Communications: Radio Wave Antennas 0 0 1 1 1 3
351 Optics: Eye Examining, Vision Testing and Correcting 0 2 0 0 1 3
365 Static Information Storage and Retrieval 3 0 0 0 0 3
368 Horology: Time Measuring Systems or Devices 1 2 0 0 0 3
382 Image Analysis 0 0 1 0 2 3
384 Bearings 0 1 0 1 1 3
403 Joints and Connections 0 2 0 1 0 3
414 Material or Article Handling 1 2 0 0 0 3
416 Fluid Reaction Surfaces (i.e., Impellers) 1 1 1 0 0 3
417 Pumps 1 0 0 1 1 3
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 2 0 0 0 1 3
446 Amusement Devices: Toys 1 0 0 2 0 3
454 Ventilation 1 1 0 0 1 3
472 Amusement Devices 1 0 1 0 1 3
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 0 0 1 0 2 3
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 1 1 1 3
007 Compound Hand Tools 0 0 0 0 2 2
030 Cutlery 0 0 1 1 0 2
033 Geometrical Instruments 0 0 0 1 1 2
034 Drying and Gas or Vapor Contact with Solids 0 0 2 0 0 2
044 Fuel and Related Compositions 0 0 0 0 2 2
049 Movable or Removable Closures 0 0 0 0 2 2
055 Gas Separation 0 0 0 1 1 2
072 Metal Deforming 1 0 0 1 0 2
074 Machine Element or Mechanism 1 0 0 0 1 2
109 Safes, Bank Protection, or a Related Device 0 0 1 1 0 2
116 Signals and Indicators 1 0 0 1 0 2
124 Mechanical Guns and Projectors 0 2 0 0 0 2
131 Tobacco 0 0 1 0 1 2
134 Cleaning and Liquid Contact with Solids 0 1 0 0 1 2
144 Woodworking 0 0 0 1 1 2
150 Purses, Wallets, and Protective Covers 0 0 1 1 0 2
160 Flexible or Portable Closure, Partition, or Panel 0 1 1 0 0 2
165 Heat Exchange 0 0 0 1 1 2
180 Motor Vehicles 0 2 0 0 0 2
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 1 0 0 1 2
188 Brakes 0 0 1 1 0 2
198 Conveyors: Power-Driven 1 1 0 0 0 2
208 Mineral Oils: Processes and Products 0 0 2 0 0 2
228 Metal Fusion Bonding 0 0 1 1 0 2
229 Envelopes, Wrappers, and Paperboard Boxes 0 0 0 2 0 2
241 Solid Material Comminution or Disintegration 0 0 1 0 1 2
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 1 0 0 1 2
281 Books, Strips, and Leaves 0 0 0 1 1 2
283 Printed Matter 0 0 0 0 2 2
285 Pipe Joints or Couplings 0 0 1 1 0 2
293 Vehicle Fenders 0 0 2 0 0 2
301 Land Vehicles: Wheels and Axles 0 1 0 0 1 2
307 Electrical Transmission or Interconnection Systems 0 1 1 0 0 2
310 Electrical Generator or Motor Structure 0 2 0 0 0 2
312 Supports: Cabinet Structure 0 1 1 0 0 2
333 Wave Transmission Lines and Networks 1 1 0 0 0 2
356 Optics: Measuring and Testing 0 0 1 1 0 2
375 Pulse or Digital Communications 0 0 0 1 1 2
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 1 0 0 1 2
385 Optical Waveguides 0 1 1 0 0 2
386 Television Signal Processing for Dynamic Recording or Reproducing 1 0 0 0 1 2
392 Electric Resistance Heating Devices 0 0 1 1 0 2
401 Coating Implements with Material Supply 0 1 0 0 1 2
405 Hydraulic and Earth Engineering 0 0 1 0 1 2
415 Rotary Kinetic Fluid Motors or Pumps 0 0 1 0 1 2
426 Food or Edible Material: Processes, Compositions, and Products 0 1 0 0 1 2
452 Butchering 0 0 0 2 0 2
455 Telecommunications 1 0 1 0 0 2
532 Organic Compounds (includes Classes 532-570) 1 0 0 1 0 2
601 Surgery: Kinesitherapy 1 0 0 0 1 2
713 Support (Electrical Computers and Digital Processing Systems) 0 1 1 0 0 2
001 ** Classification Undetermined ** 0 0 1 0 0 1
042 Firearms 1 0 0 0 0 1
047 Plant Husbandry 0 0 1 0 0 1
059 Chain, Staple, and Horseshoe Making 0 0 0 1 0 1
063 Jewelry 0 1 0 0 0 1
082 Turning (e.g., for metal working) 0 0 0 1 0 1
089 Ordnance 0 1 0 0 0 1
096 Gas Separation: Apparatus 0 0 1 0 0 1
100 Presses 1 0 0 0 0 1
101 Printing 1 0 0 0 0 1
102 Ammunition and Explosives 0 0 0 0 1 1
104 Railways 1 0 0 0 0 1
111 Planting 0 0 0 0 1 1
112 Sewing 0 0 0 1 0 1
118 Coating Apparatus 0 0 1 0 0 1
122 Liquid Heaters and Vaporizers 0 0 0 1 0 1
125 Stone Working 0 1 0 0 0 1
126 Stoves and Furnaces 1 0 0 0 0 1
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 0 0 1 1
148 Metal Treatment 1 0 0 0 0 1
149 Explosive and Thermic Compositions or Charges 0 0 0 1 0 1
169 Fire Extinguishers 0 0 0 0 1 1
172 Earth Working 0 0 1 0 0 1
173 Tool Driving or Impacting 0 0 0 1 0 1
177 Weighing Scales 0 1 0 0 0 1
181 Acoustics 0 0 1 0 0 1
182 Fire Escape, Ladder, or Scaffold 0 0 1 0 0 1
192 Clutches and Power-Stop Control 1 0 0 0 0 1
201 Distillation: Processes, Thermolytic 0 0 1 0 0 1
202 Distillation: Apparatus 0 0 0 1 0 1
212 Traversing Hoists 0 0 0 0 1 1
223 Apparel Apparatus 1 0 0 0 0 1
249 Static Molds 0 0 0 0 1 1
269 Work Holders 0 1 0 0 0 1
277 Seal for a Joint or Juncture 1 0 0 0 0 1
326 Electronic Digital Logic Circuitry 0 0 0 0 1 1
358 Facsimile and Static Presentation Processing 0 0 0 1 0 1
359 Optics: Systems (Including Communication) and Elements 0 0 1 0 0 1
363 Electric Power Conversion Systems 0 0 0 0 1 1
369 Dynamic Information Storage or Retrieval 0 0 1 0 0 1
372 Coherent Light Generators 0 1 0 0 0 1
381 Electrical Audio Signal Processing Systems and Devices 0 1 0 0 0 1
396 Photography 0 0 1 0 0 1
406 Conveyors: Fluid Current 0 0 0 0 1 1
408 Cutting by Use of Rotating Axially Moving Tool 0 1 0 0 0 1
410 Freight Accommodation On Freight Carrier 0 0 1 0 0 1
420 Alloys or Metallic Compositions 1 0 0 0 0 1
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 0 0 0 0 1
432 Heating 0 1 0 0 0 1
440 Marine Propulsion 0 0 0 0 1 1
441 Buoys, Rafts, and Aquatic Devices 1 0 0 0 0 1
494 Imperforate Bowl: Centrifugal Separators 0 0 1 0 0 1
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 1 0 1
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 0 1 0 0 0 1
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 1
717 DP: Software Development, Installation, and Management (Data Processing) 0 0 0 0 1 1
ALL ALL CLASSES 181 270 295 318 313 1377



TAF Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/

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Last Modified: April 9, 2002