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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

WEST VIRGINIA

( 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
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 38 41 54 76 60 47 29 24 23 28 20 19 27 23 25 46 26 28 30 22 21 20 25 21 20 17 21 30 26 39 30 32 27 32 44 48 27 21 26 36 23 12 16 5 1305
532 Organic Compounds (includes Classes 532-570) 54 54 46 73 58 47 51 48 32 30 10 19 24 13 15 21 12 11 33 24 20 21 13 27 18 16 23 21 21 22 49 12 10 6 15 31 30 5 18 10 6 5 1 4 1079
428 Stock Material or Miscellaneous Articles 0 4 0 2 0 3 3 1 3 3 3 1 0 3 1 2 3 2 2 4 2 3 2 4 1 0 1 4 3 2 2 10 9 13 3 4 3 5 10 1 6 7 5 3 143
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 3 2 4 3 3 1 1 3 0 0 1 0 2 6 2 12 4 7 3 5 8 9 3 3 1 0 1 2 1 1 0 1 5 1 3 4 2 5 4 3 6 1 5 3 134
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 2 7 7 2 0 1 0 1 0 0 3 1 0 0 2 3 1 8 3 4 1 2 2 2 0 3 4 5 10 6 4 2 2 4 1 4 7 2 3 9 0 6 3 127
299 Mining or In Situ Disintegration of Hard Material 8 1 2 1 10 4 3 1 1 1 3 2 5 2 4 3 3 3 6 4 2 2 2 1 3 2 5 4 3 7 5 1 0 3 2 2 3 2 2 1 2 0 0 0 121
585 Chemistry of Hydrocarbon Compounds 4 3 8 8 7 8 2 4 3 1 1 1 0 2 0 0 1 0 1 0 0 2 6 2 5 3 5 3 6 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 89
423 Chemistry of Inorganic Compounds 2 2 1 3 1 4 2 1 3 5 6 3 6 4 1 3 0 0 4 1 1 2 2 0 1 1 2 1 0 0 1 1 0 1 1 2 1 0 1 1 2 3 0 1 77
052 Static Structures (e.g., Buildings) 2 0 1 0 1 0 2 1 2 1 4 4 1 2 2 0 0 1 1 3 1 1 2 1 2 0 0 2 6 3 5 2 1 1 2 2 0 3 0 2 7 0 1 2 74
198 Conveyors: Power-Driven 5 5 4 3 2 0 0 0 0 0 1 1 0 2 2 1 0 1 1 1 1 2 0 2 2 2 3 1 2 4 1 1 0 0 2 1 3 3 2 3 2 0 1 4 71
427 Coating Processes 0 1 3 0 4 1 3 3 3 1 0 1 1 2 0 3 1 1 0 2 2 1 1 2 0 3 0 2 2 6 0 6 2 2 3 1 1 1 2 1 2 0 1 0 71
220 Receptacles 0 0 1 2 2 1 4 3 4 1 2 2 3 1 4 2 4 0 4 0 0 2 1 1 1 0 4 2 2 1 4 3 1 0 1 3 0 0 1 0 0 1 1 0 69
073 Measuring and Testing 4 7 2 2 2 3 1 3 0 2 0 2 1 4 4 3 1 2 1 2 2 2 1 1 0 0 0 0 0 1 0 0 1 1 1 0 1 2 0 3 2 3 0 1 68
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 1 1 1 3 0 3 0 0 0 1 0 0 2 4 3 1 1 2 0 2 1 2 0 3 0 1 0 0 0 1 1 1 1 0 0 0 0 0 5 4 6 5 9 65
210 Liquid Purification or Separation 0 0 1 2 0 0 2 1 0 0 1 1 2 0 0 0 1 3 2 2 1 2 0 0 6 2 1 2 5 6 2 1 1 0 2 1 2 4 3 0 0 2 2 1 64
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 2 2 1 4 3 4 4 1 2 2 0 1 1 0 0 2 0 1 1 3 0 0 1 0 2 2 2 0 2 2 1 0 1 2 5 1 0 0 2 0 0 1 0 58
174 Electricity: Conductors and Insulators 0 3 3 0 0 0 1 3 0 0 1 1 2 1 1 1 0 1 1 0 2 1 0 1 2 3 3 1 6 1 1 1 1 1 0 1 0 2 3 1 3 1 0 1 55
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 0 0 0 0 0 0 1 1 0 6 3 5 5 11 5 3 1 4 1 2 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 51
072 Metal Deforming 0 0 0 1 1 3 1 2 0 1 1 0 1 5 4 0 0 0 1 1 2 2 0 1 0 3 0 1 2 1 2 2 0 0 6 1 1 1 1 0 0 1 0 0 49
137 Fluid Handling 0 0 0 4 1 2 1 0 0 1 1 3 1 2 2 1 0 0 1 1 0 2 3 1 0 1 0 2 0 3 0 0 3 0 3 3 3 1 0 1 0 0 1 1 49
252 Compositions 0 0 1 0 0 1 0 1 3 1 0 1 2 2 0 0 1 1 1 0 0 1 0 2 1 1 2 1 1 1 1 1 2 1 1 2 3 6 0 0 1 2 2 2 49
148 Metal Treatment 0 1 0 0 3 2 1 0 0 0 1 0 1 3 1 0 1 0 0 0 0 2 0 0 1 7 4 1 2 3 2 2 1 0 1 1 1 1 2 1 0 0 1 0 47
414 Material or Article Handling 2 1 2 1 0 3 0 0 2 0 0 1 1 0 1 1 2 2 0 0 3 0 2 0 1 0 1 1 2 0 0 1 1 0 2 3 5 1 1 2 2 0 0 0 47
123 Internal-Combustion Engines 0 0 0 0 0 0 1 1 0 0 1 2 1 0 0 1 0 2 3 1 5 4 2 0 2 0 1 1 2 1 2 1 1 1 0 0 0 0 2 3 1 0 2 1 45
175 Boring or Penetrating the Earth 0 0 0 1 1 0 1 0 4 0 0 2 1 2 2 3 0 1 1 1 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 2 4 0 3 3 40
128 Surgery (includes Class 600) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 1 0 0 0 0 2 1 0 1 4 2 1 0 4 1 5 2 4 4 2 1 0 39
173 Tool Driving or Impacting 1 1 2 1 4 1 0 3 1 3 2 0 2 4 0 5 0 1 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 36
106 Compositions: Coating or Plastic 0 1 0 2 2 3 1 1 2 3 0 1 0 0 0 1 1 3 0 0 0 0 0 0 0 0 1 0 1 1 2 2 0 1 1 0 0 1 1 2 0 0 0 1 35
420 Alloys or Metallic Compositions 0 2 0 0 2 0 1 1 1 1 1 0 1 0 2 2 2 1 0 0 1 0 0 1 0 5 4 0 0 0 0 1 1 0 0 0 2 1 1 1 0 0 0 0 35
029 Metal Working 0 0 0 0 2 0 0 0 2 1 2 0 0 1 1 2 1 1 1 0 1 0 3 0 1 4 0 0 0 0 0 0 0 4 1 0 1 1 2 1 1 0 0 0 34
250 Radiant Energy 0 1 0 0 1 3 2 0 1 1 1 0 2 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 4 0 3 2 1 2 1 1 1 0 0 0 1 2 0 0 34
504 Plant Protecting and Regulating Compositions 4 1 5 5 7 2 0 0 0 1 0 0 0 0 0 1 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 1 34
002 Apparel 0 0 0 0 0 0 1 1 0 0 1 4 0 1 0 0 0 0 0 0 1 1 0 1 1 1 4 1 0 2 0 1 1 1 3 2 2 0 2 1 0 0 0 0 33
340 Communications: Electrical 0 1 0 1 1 0 1 0 1 0 0 0 2 0 0 0 1 1 1 1 0 3 0 1 1 0 0 0 1 0 0 0 2 1 0 0 1 1 2 0 2 3 2 2 33
065 Glass Manufacturing 0 0 0 4 2 2 2 0 0 2 1 0 0 1 0 3 1 1 1 2 0 0 0 1 1 2 3 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 32
095 Gas Separation: Processes 0 1 0 2 4 0 2 1 0 1 0 0 1 0 0 0 0 1 1 1 0 1 0 0 1 0 0 4 4 1 2 0 0 0 0 1 0 1 0 0 1 0 1 0 32
280 Land Vehicles 0 0 0 0 0 0 0 1 1 0 2 0 0 0 0 2 1 0 0 1 0 1 0 1 0 0 2 0 1 1 0 1 3 1 1 0 2 2 4 1 0 0 1 2 32
362 Illumination 2 0 1 1 1 1 0 2 0 0 0 0 0 0 1 1 1 1 3 1 0 0 0 0 0 2 0 0 0 0 1 1 2 2 1 0 2 0 1 0 1 1 0 2 32
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 2 1 1 2 0 1 3 0 1 2 3 0 1 0 0 0 0 0 1 0 0 1 0 1 0 0 1 1 1 2 1 2 0 0 0 0 0 0 0 2 0 0 1 31
239 Fluid Sprinkling, Spraying, and Diffusing 1 1 2 0 0 2 0 0 0 0 3 1 2 0 0 2 0 1 0 0 1 0 0 1 0 0 0 0 1 1 3 1 2 0 0 0 0 2 0 1 0 0 1 1 30
405 Hydraulic and Earth Engineering 0 0 1 0 0 0 0 0 0 1 0 1 2 0 0 4 3 3 3 1 0 0 0 1 2 1 0 0 0 1 1 0 0 1 1 0 0 0 0 0 1 1 0 1 30
182 Fire Escape, Ladder, or Scaffold 1 0 0 1 0 0 0 2 0 0 1 1 0 0 0 0 2 0 1 0 0 0 0 2 1 0 0 3 4 1 0 2 0 1 0 0 0 4 1 0 1 0 0 0 29
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 2 0 0 0 1 2 0 2 1 7 1 2 2 0 1 1 0 0 1 0 2 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 1 0 0 0 29
222 Dispensing (apparatus and process) 1 2 1 0 0 2 4 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 1 0 2 0 3 0 1 1 0 0 2 0 0 1 2 1 0 0 0 1 0 0 28
208 Mineral Oils: Processes and Products 1 0 1 1 0 0 0 0 0 0 2 1 0 2 2 1 3 0 1 1 1 1 0 0 0 1 0 0 0 0 0 2 0 1 0 0 0 0 0 1 0 1 0 2 26
219 Electric Heating 0 0 1 0 0 0 0 2 2 0 1 2 0 1 1 1 1 1 0 3 0 0 0 1 1 0 0 2 0 2 0 0 1 1 0 0 0 1 0 1 0 0 0 0 26
221 Article Dispensing 1 1 1 1 0 1 2 0 0 1 0 0 0 0 2 0 0 0 1 0 0 0 1 0 0 1 1 2 0 1 0 0 0 2 0 1 0 2 1 0 0 0 1 2 26
248 Supports (e.g., for holding articles, etc.) 1 1 0 1 3 2 1 1 1 0 0 0 1 2 2 1 0 0 1 1 1 1 0 0 0 0 1 0 1 0 1 0 0 0 0 0 2 0 0 0 0 0 0 0 26
033 Geometrical Instruments 1 1 1 0 0 2 1 1 0 0 1 0 0 0 1 0 0 0 0 2 0 0 0 0 2 0 0 0 0 1 1 0 1 0 1 0 1 0 1 1 1 1 2 1 25
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 1 0 0 1 2 1 0 1 1 0 3 0 0 2 0 0 0 0 1 0 0 0 1 0 0 1 0 1 1 1 1 0 0 1 2 0 1 1 0 0 0 1 0 25
209 Classifying, Separating, and Assorting Solids 0 0 0 2 0 1 0 0 0 1 2 1 1 0 0 0 0 1 1 2 0 0 1 0 0 0 1 1 0 2 0 1 1 1 0 0 0 1 0 0 0 0 1 2 24
473 Games Using Tangible Projectile 0 0 0 0 1 0 0 0 1 1 0 0 0 0 1 0 0 0 2 0 0 0 1 0 1 0 2 0 0 2 0 0 2 0 0 0 1 1 1 2 2 2 1 0 24
180 Motor Vehicles 0 0 3 2 2 0 1 0 0 1 1 0 3 0 0 1 1 1 0 0 1 1 0 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 0 0 0 23
043 Fishing, Trapping, and Vermin Destroying 0 1 0 0 0 2 0 0 0 2 0 0 1 0 0 1 1 1 0 0 1 0 0 0 3 0 2 0 0 1 1 0 0 0 0 0 0 0 0 2 0 1 0 2 22
206 Special Receptacle or Package 0 2 1 2 1 2 0 0 1 0 0 0 0 0 0 1 0 0 1 1 0 1 1 0 0 0 0 1 0 0 0 1 2 1 0 2 0 0 0 1 0 0 0 0 22
228 Metal Fusion Bonding 0 0 0 0 0 1 0 0 1 1 0 2 0 0 0 4 1 2 0 0 0 0 1 1 1 1 2 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22
439 Electrical Connectors 0 0 0 0 0 1 2 0 0 0 1 1 1 1 1 1 0 0 0 0 2 1 1 0 0 0 1 1 1 0 0 0 1 0 0 0 0 0 2 2 1 0 0 0 22
203 Distillation: Processes, Separatory 2 1 1 4 0 2 1 0 1 0 1 0 0 0 0 0 1 1 1 0 1 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
296 Land Vehicles: Bodies and Tops 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 2 0 0 1 0 0 1 0 0 1 0 0 0 2 0 1 0 0 1 1 0 1 1 1 1 1 1 3 21
604 Surgery (Medicators and Receptors) 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 3 2 2 0 0 4 0 2 1 0 0 0 0 0 0 0 0 0 0 1 1 1 21
044 Fuel and Related Compositions 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 2 4 3 0 20
119 Animal Husbandry 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 1 1 0 1 1 0 2 1 0 1 2 0 1 2 0 1 0 0 1 20
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 0 0 1 0 1 1 0 2 1 1 0 0 0 1 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 1 0 2 2 0 1 0 1 1 0 0 1 20
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 1 1 0 1 0 0 0 1 1 0 2 2 0 0 0 0 1 1 1 0 0 0 0 0 2 1 2 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 20
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 0 0 1 2 1 0 1 1 1 0 0 1 1 4 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 19
114 Ships 0 1 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 2 2 0 0 1 3 0 0 1 0 0 2 1 0 0 0 0 0 19
312 Supports: Cabinet Structure 1 1 1 2 1 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 0 2 1 0 0 1 0 0 1 0 0 0 0 19
361 Electricity: Electrical Systems and Devices 1 0 0 0 0 0 0 0 0 1 2 0 0 0 2 2 1 1 0 0 2 0 0 0 2 0 0 1 0 0 0 0 0 2 0 0 0 0 1 0 0 1 0 0 19
060 Power Plants 0 0 0 2 1 0 1 0 1 0 0 0 1 1 0 0 1 2 0 0 0 0 1 0 0 0 0 0 1 1 0 0 1 0 0 2 0 1 0 0 0 1 0 0 18
062 Refrigeration 0 0 0 3 0 0 0 0 0 0 0 1 0 1 1 0 1 0 1 1 0 0 1 0 0 1 0 0 0 1 1 0 2 0 1 1 0 0 0 0 1 0 0 0 18
066 Textiles: Knitting 2 0 0 0 2 0 1 1 3 5 2 0 2 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 18
004 Baths, Closets, Sinks, and Spittoons 2 0 1 0 0 1 0 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 0 0 1 0 0 1 2 0 2 0 0 17
273 Amusement Devices: Games 0 1 0 0 1 1 1 1 1 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 1 0 0 2 0 0 17
419 Powder Metallurgy Processes 0 0 0 0 2 1 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 1 0 2 0 1 1 2 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 17
030 Cutlery 1 1 1 1 1 0 0 0 0 0 2 1 0 1 1 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 16
042 Firearms 1 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 2 0 0 1 0 1 2 1 1 0 0 0 16
048 Gas: Heating and Illuminating 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 0 0 1 0 3 0 1 1 2 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 16
056 Harvesters 0 0 2 1 0 1 1 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 1 0 1 2 2 0 0 0 0 0 0 0 0 1 0 0 0