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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 1963 - 2006 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' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant.
Class Class Title 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Total
463 Amusement Devices: Games 0 0 0 0 0 0 1 1 1 0 0 1 0 0 0 3 0 0 2 1 1 1 0 2 1 0 2 3 5 5 9 8 9 9 5 33 20 41 43 57 96 128 123 101 712
273 Amusement Devices: Games 0 0 1 0 0 1 0 0 1 0 0 0 2 0 1 2 0 5 1 1 2 0 1 1 4 2 2 2 9 13 12 19 13 13 20 19 22 24 24 36 42 22 30 30 377
340 Communications: Electrical 0 0 0 2 0 0 0 1 0 0 1 3 0 1 1 0 0 2 3 2 1 1 2 2 0 0 4 1 2 2 1 0 2 5 5 7 2 9 10 5 5 0 8 12 102
423 Chemistry of Inorganic Compounds 4 0 2 3 3 2 3 1 5 3 3 4 2 4 3 4 1 2 5 2 6 3 0 1 0 1 2 1 0 3 0 2 3 1 1 2 1 0 3 4 1 0 3 3 97
280 Land Vehicles 0 0 1 2 1 1 0 1 1 0 2 1 2 2 4 0 4 2 1 7 1 3 1 2 0 2 1 2 2 2 1 4 3 2 1 4 3 4 4 2 6 6 2 4 94
128 Surgery (includes Class 600) 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 2 0 1 1 2 2 1 0 3 0 1 1 2 0 7 3 6 3 0 9 9 5 7 3 3 5 3 1 84
210 Liquid Purification or Separation 2 1 2 0 1 1 0 0 0 2 1 0 0 0 0 0 0 1 3 2 2 1 1 1 2 0 2 3 1 2 4 4 0 6 3 2 6 6 5 2 6 4 1 2 82
029 Metal Working 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 1 0 1 1 4 2 1 1 1 0 0 0 3 3 3 1 3 3 4 8 6 6 4 3 7 3 1 2 75
052 Static Structures (e.g., Buildings) 1 0 0 1 0 0 0 0 0 1 0 2 1 0 4 2 2 3 1 0 2 0 1 2 0 2 0 2 0 4 4 1 1 1 1 4 2 1 3 3 4 7 8 3 74
473 Games Using Tangible Projectile 0 0 1 1 0 0 1 0 0 0 0 0 1 1 0 2 0 3 0 0 1 1 0 0 0 2 3 1 0 4 2 2 6 8 5 1 4 2 4 1 2 4 2 6 71
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 2 2 2 0 0 0 0 0 0 0 0 0 1 0 0 4 7 15 10 9 2 5 3 2 2 1 70
362 Illumination 0 0 0 0 0 0 0 0 1 0 1 1 0 0 1 0 0 1 0 0 1 0 0 0 1 1 0 1 2 1 1 1 0 2 1 2 6 4 3 0 6 14 9 8 69
324 Electricity: Measuring and Testing 0 0 0 1 1 0 0 1 0 0 0 0 1 0 1 2 0 0 0 0 0 0 2 1 1 0 0 0 1 1 0 2 2 1 1 3 2 1 3 4 2 13 11 4 62
062 Refrigeration 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 1 0 4 0 2 5 5 6 5 3 5 4 0 0 4 3 1 5 2 1 61
219 Electric Heating 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 1 1 2 3 0 0 2 0 0 1 8 2 4 11 13 4 3 60
123 Internal-Combustion Engines 0 0 1 0 1 0 0 4 0 2 2 3 1 0 1 2 2 1 1 3 2 2 0 1 0 0 0 0 1 4 2 1 0 1 4 2 1 0 1 2 2 2 3 1 56
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 1 1 4 2 5 1 2 2 4 5 3 1 1 1 2 0 1 1 0 0 0 1 0 0 0 0 1 0 0 0 1 0 2 1 2 2 3 1 3 0 0 0 0 56
004 Baths, Closets, Sinks, and Spittoons 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 1 0 3 0 0 0 0 0 1 1 2 2 2 2 0 2 0 4 5 7 6 4 3 3 3 1 55
073 Measuring and Testing 0 0 0 1 0 1 0 0 1 0 0 1 0 0 3 1 0 0 1 1 0 0 0 1 1 4 0 2 2 0 1 1 3 0 2 2 4 2 3 0 3 2 6 6 55
248 Supports (e.g., for holding articles, etc.) 0 0 0 0 0 0 0 0 0 2 1 1 0 1 1 2 0 0 0 0 0 0 1 1 1 0 3 2 2 3 0 0 3 4 2 7 2 7 1 3 2 2 1 0 55
137 Fluid Handling 0 1 0 0 0 0 0 1 0 0 2 0 0 1 2 1 0 3 1 0 1 0 1 1 4 3 4 0 2 2 1 1 1 1 1 0 5 3 4 2 1 2 1 1 54
604 Surgery (Medicators and Receptors) 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 1 1 2 0 1 1 1 1 0 0 2 1 2 2 1 2 8 3 3 2 5 4 2 2 4 54
428 Stock Material or Miscellaneous Articles 0 1 0 0 1 0 0 1 1 0 1 0 1 1 1 0 0 0 0 0 1 1 0 0 2 1 2 2 1 1 2 5 1 2 1 5 3 2 0 2 3 2 2 3 52
015 Brushing, Scrubbing, and General Cleaning 0 0 0 0 0 0 1 0 1 1 0 0 3 1 0 3 0 3 1 4 1 2 2 0 0 0 1 1 2 1 0 3 2 0 0 0 2 3 1 2 5 2 2 1 51
002 Apparel 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 2 1 0 0 1 1 4 0 2 0 0 1 2 2 5 2 5 3 1 0 3 2 3 3 45
250 Radiant Energy 0 0 0 1 0 1 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 2 0 1 0 1 0 2 5 2 0 2 3 4 2 1 0 1 3 2 2 2 1 2 44
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 1 0 0 0 0 2 1 2 1 1 2 0 0 1 4 2 5 5 5 6 0 2 0 1 44
119 Animal Husbandry 0 0 1 0 0 0 0 2 0 0 0 1 0 1 0 0 0 0 1 1 0 0 2 0 2 0 0 1 0 0 0 1 1 4 0 5 1 6 3 3 1 1 2 3 43
206 Special Receptacle or Package 0 1 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 1 1 0 0 1 0 0 2 2 1 1 1 2 3 2 4 3 5 2 1 1 2 2 1 43
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 0 2 0 0 0 1 2 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 3 2 3 1 2 2 0 0 2 1 3 1 0 0 3 0 1 4 42
060 Power Plants 0 0 2 1 0 0 0 0 0 0 2 1 4 3 2 3 1 0 2 0 0 2 0 2 0 1 0 0 1 1 1 2 0 2 0 0 0 3 1 0 0 2 0 2 41
222 Dispensing (apparatus and process) 0 0 0 0 0 1 0 0 2 0 0 0 0 0 1 1 1 1 1 0 2 1 0 2 0 1 2 1 2 1 1 1 2 0 3 1 1 1 3 4 3 0 1 0 41
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 0 0 1 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 0 0 3 6 5 2 0 0 0 1 2 0 3 3 5 40
043 Fishing, Trapping, and Vermin Destroying 0 0 0 0 1 0 2 1 1 2 0 0 1 1 0 1 1 1 0 0 0 1 0 1 1 1 3 2 1 0 1 0 0 3 2 1 2 2 2 0 1 0 2 1 39
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 2 0 1 0 0 0 1 1 1 3 2 1 1 0 1 0 0 3 0 1 0 0 0 2 1 0 0 0 3 0 1 2 1 1 0 1 2 1 2 2 0 0 0 38
194 Check-Actuated Control Mechanisms 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 1 0 5 0 1 1 0 1 0 0 0 1 0 1 0 1 1 1 2 5 3 2 1 1 4 2 1 38
366 Agitating (e.g., of articles and materials) 0 0 0 0 0 0 0 0 0 0 0 1 1 2 1 8 2 5 1 2 4 2 3 0 0 0 0 0 0 0 0 0 0 0 2 0 3 0 0 0 1 0 0 0 38
244 Aeronautics and Astronautics 1 0 0 0 1 0 1 0 0 0 0 0 2 0 0 0 0 0 0 0 1 3 0 0 1 0 0 1 2 0 0 3 2 1 1 0 3 1 1 1 1 0 4 6 37
404 Road Structure, Process, or Apparatus 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 1 2 2 0 2 2 1 0 0 1 4 0 1 3 1 2 0 3 1 2 0 4 1 0 0 0 37
040 Card, Picture, or Sign Exhibiting 0 0 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 0 0 1 2 1 0 0 0 0 1 1 1 0 2 2 0 0 1 0 1 0 3 5 3 2 1 2 36
414 Material or Article Handling 0 2 0 0 1 0 0 1 0 1 1 3 0 0 1 1 0 1 0 0 0 1 0 0 2 2 1 1 1 0 0 2 0 4 1 2 0 0 0 1 3 0 1 2 36
106 Compositions: Coating or Plastic 0 0 0 0 0 0 0 0 1 0 0 0 0 5 1 2 2 8 3 2 0 1 0 1 0 0 0 0 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 1 35
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 1 0 0 2 1 1 1 2 1 0 3 0 3 2 0 1 1 1 0 1 1 2 0 1 3 1 2 1 35
204 Chemistry: Electrical and Wave Energy 1 0 1 1 1 0 0 0 5 1 0 2 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 4 1 2 0 2 1 4 1 1 0 1 1 1 0 1 0 35
433 Dentistry 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 2 0 2 2 3 2 3 6 1 3 2 1 0 0 2 34
482 Exercise Devices 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 1 2 0 3 3 1 1 1 0 1 2 1 1 1 1 3 4 0 1 3 34
606 Surgery (instruments) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 1 0 1 2 0 0 0 1 1 0 0 2 1 1 1 3 5 3 3 1 1 0 3 1 34
224 Package and Article Carriers 1 1 0 0 0 0 0 1 1 0 0 0 0 1 0 1 1 0 1 0 1 0 1 2 0 0 1 3 3 2 0 1 0 0 2 0 2 2 2 0 1 1 1 0 33
036 Boots, Shoes, and Leggings 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 1 1 0 0 3 2 2 2 1 2 1 0 2 1 1 0 0 0 0 2 1 0 3 1 1 1 0 0 1 32
084 Music 0 0 0 0 0 0 1 1 0 1 0 5 0 0 1 0 1 0 0 1 1 1 0 0 1 1 2 0 1 0 0 0 2 3 2 2 2 0 0 0 0 0 1 2 32
104 Railways 1 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 2 0 0 4 1 5 0 1 2 1 1 3 3 1 0 0 0 0 0 0 0 1 0 31
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 1 0 0 0 0 0 0 1 2 2 1 3 4 7 3 2 1 31
379 Telephonic Communications 0 0 0 0 0 0 0 0 0 0 0 1 2 4 0 0 0 2 1 2 0 0 0 0 2 0 1 0 0 0 1 0 0 0 0 1 0 1 5 1 4 3 0 0 31
070 Locks 0 1 0 0 0 0 2 1 0 1 2 0 1 0 0 2 0 2 0 0 0 1 0 2 0 0 0 0 0 3 0 0 0 0 0 1 2 3 1 0 0 2 2 1 30
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 2 1 0 3 3 0 1 3 4 3 5 30
315 Electric Lamp and Discharge Devices: Systems 0 0 0 0 0 0 0 0 0 2 0 0 2 0 0 0 0 0 0 1 2 0 1 0 0 0 0 1 0 0 1 1 5 1 0 1 0 1 1 0 3 2 2 3 30
005 Beds 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 0 0 0 2 0 0 1 1 2 0 0 1 1 1 0 1 2 3 2 0 0 0 1 2 2 0 1 1 1 29
081 Tools 0 0 0 0 1 1 0 0 0 1 1 1 0 0 1 0 0 2 2 2 1 3 1 0 0 2 1 0 0 1 1 0 1 1 0 0 2 1 0 1 0 0 1 0 29
126 Stoves and Furnaces 0 0 0 1 0 0 1 0 0 0 0 1 0 1 2 3 2 3 3 1 2 0 1 1 1 0 1 0 0 1 0 0 0 0 1 0 0 0 0 2 0 0 0 1 29
312 Supports: Cabinet Structure 0 0 0 0 0 0 0 0 2 0 0 0 2 0 0 4 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 2 0 0 0 1 1 0 0 4 4 2 2 0 27
361 Electricity: Electrical Systems and Devices 0 1 0 0 0 0 0 0 0 1 0 0 0 0 2 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 1 3 2 3 1 0 3 2 4 27
453 Coin Handling 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 0 0 0 1 2 2 1 0 1 2 1 0 3 0 4 1 1 1 0 0 27
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 2 0 0 3 9 5 4 27
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 2 1 2 0 0 0 0 0 0 0 0 0 2 0 1 2 0 3 1 4 2 0 3 0 0 1 26
114 Ships 0 1 1 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 2 2 0 0 1 3 3 2 1 2 1 0 25
251 Valves and Valve Actuation 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 2 1 1 1 1 1 1 0 1 0 1 0 0 0 0 1 0 0 0 0 2 2 0 0 0 2 1 4 25
033 Geometrical Instruments 0 1 0 0 0 0 0 0 0 0 1 0 0 1 2 0 0 1 0 1 0 0 1 0 1 0 0 0 2 1 0 1 0 0 0 0 0 1 1 1 4 1 2 1 24
209 Classifying, Separating, and Assorting Solids 0 0 0 1 1 1 0 0 1 2 1 1 1 0 0 1 0 2 2 0 0 0 0 1 1 2 0 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 2 0 24
220 Receptacles 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 4 2 3 0 0 1 2 0 2 1 3 24
296 Land Vehicles: Bodies and Tops 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 2 1 0 0 3 0 2 1 0 3 3 1 1 1 1 1 1 1 24
310 Electrical Generator or Motor Structure 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 1 4 11 1 2 24
405 Hydraulic and Earth Engineering 0 0 0 0 0 0 1 1 1 1 0 0 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 3 3 1 1 0 0 0 1 0 1 2 0 2 1 1 24
211 Supports: Racks 0 0 0 0 2 0 0 1 1 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 2 1 0 1 1 0 3 1 2 1 23
446 Amusement Devices: Toys 0 0 0 0 0 0 1 0 1 0 0 0 1 0 1 0 0 1 1 0 0 0 0 1 0 1 0 0 2 2 0 2 2 0 1 0 0 2 0 2 1 0 1 0 23
072 Metal Deforming 1 0 3 2 1 1 1 0 0 1 0 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 3 0 0 0 1 0 1 0 1 0 0 1 0 1 0 0 0 0 22
370 Multiplex Communications 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 0 2 0 0 1 0 1 0 3 0 0 0 1 0 2 0 0 2 4 1 0 0 1 0 22
435 Chemistry: Molecular Biology and Microbiology 0 0 0 0 0 0 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 1 2 5 4 1 1 0 2 0 0 22
024 Buckles, Buttons, Clasps, Etc. 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 1 4 0 0 0 1 0 0 1 3 2 1 1 0 0 1 2 21
174