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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

TENNESSEE

( 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) 24 20 43 57 48 41 41 25 24 22 14 12 21 17 27 23 32 20 28 26 14 28 29 28 16 24 38 47 47 38 51 40 45 38 41 23 44 43 37 40 32 26 14 11 1359
532 Organic Compounds (includes Classes 532-570) 39 29 25 64 56 61 65 34 21 31 16 25 27 28 21 14 19 27 32 23 18 21 17 15 8 28 33 25 23 22 31 25 28 14 23 19 28 24 24 39 22 17 17 17 1195
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 1 2 2 1 2 1 3 3 3 3 2 5 3 2 3 2 4 17 6 3 6 3 5 10 12 13 18 20 19 19 16 15 19 19 29 43 39 32 28 47 35 32 25 25 597
428 Stock Material or Miscellaneous Articles 5 6 4 10 11 13 9 15 6 9 3 5 5 6 7 6 4 6 10 10 6 9 5 6 8 10 7 17 9 8 11 21 16 24 21 20 28 23 27 40 29 25 11 19 550
423 Chemistry of Inorganic Compounds 11 10 17 17 15 10 8 7 16 6 11 21 11 11 5 9 5 7 14 11 8 12 6 5 4 4 7 6 9 10 12 7 6 4 6 8 3 4 5 4 6 3 1 3 365
606 Surgery (instruments) 0 0 1 0 0 0 1 0 1 1 2 1 1 0 1 1 0 0 1 1 0 1 2 5 4 5 3 5 11 12 4 13 18 24 40 17 27 16 25 18 23 18 13 24 340
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 12 1 10 15 14 9 10 8 4 5 5 4 7 10 4 3 2 3 5 4 4 8 3 2 5 1 7 7 3 11 20 5 15 6 7 13 7 7 11 17 7 7 6 7 321
073 Measuring and Testing 0 4 2 7 4 7 3 4 4 6 3 6 5 9 3 4 3 0 1 7 7 6 8 7 3 5 12 7 4 8 6 11 9 12 9 12 11 9 19 6 14 9 6 5 287
219 Electric Heating 3 2 2 1 1 3 7 3 2 4 2 3 6 4 2 3 5 4 7 4 4 4 5 2 5 4 11 5 4 6 6 9 8 7 7 5 9 10 19 18 19 20 18 12 285
435 Chemistry: Molecular Biology and Microbiology 1 0 0 0 0 0 5 3 1 1 1 3 1 0 1 1 0 4 2 2 1 2 0 2 4 3 3 6 2 4 3 6 7 16 13 27 21 22 23 21 22 12 12 18 276
250 Radiant Energy 5 3 5 6 5 6 9 5 7 4 7 7 6 5 4 1 3 4 8 4 5 5 5 6 5 9 6 6 5 2 11 9 6 2 5 8 15 5 5 12 8 6 11 10 271
128 Surgery (includes Class 600) 0 0 0 0 2 1 2 1 0 1 0 4 0 0 2 2 2 2 1 3 4 3 5 6 5 3 7 7 10 9 13 15 13 7 11 16 12 15 12 15 17 13 9 18 268
210 Liquid Purification or Separation 1 0 1 2 1 1 5 2 5 6 5 4 4 8 5 2 3 5 3 5 5 2 1 5 6 9 8 2 10 12 10 5 8 10 9 11 16 7 18 5 14 8 8 4 261
112 Sewing 9 3 6 3 7 10 5 3 6 5 5 7 11 11 8 4 5 9 10 5 10 5 17 8 8 4 12 4 4 4 4 3 4 7 2 7 6 3 2 1 1 4 3 2 257
414 Material or Article Handling 13 10 13 7 7 2 6 2 8 2 8 5 5 6 4 7 8 4 1 5 0 4 3 2 5 6 6 10 6 2 5 3 7 8 7 12 10 10 6 6 4 2 2 0 249
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 6 4 5 13 17 7 4 6 2 3 4 4 3 5 6 1 1 3 5 3 1 7 3 2 2 4 4 1 6 6 3 6 4 8 8 9 7 12 2 7 6 4 2 3 219
029 Metal Working 4 1 2 2 3 5 1 4 2 4 2 5 3 4 6 2 2 4 4 4 3 6 2 5 11 5 8 4 5 9 4 7 4 12 4 6 8 6 10 6 6 4 7 5 211
137 Fluid Handling 3 3 2 3 9 4 5 6 10 0 1 7 7 10 3 4 4 7 4 2 5 5 4 3 3 9 4 10 8 7 5 5 1 5 3 2 2 5 13 6 5 2 2 3 211
052 Static Structures (e.g., Buildings) 6 4 1 3 4 3 2 4 4 3 4 1 5 5 4 4 2 5 4 1 2 5 1 1 10 8 5 5 0 2 4 5 4 7 4 10 7 8 12 11 9 4 3 8 204
248 Supports (e.g., for holding articles, etc.) 0 4 4 1 3 2 3 6 0 3 0 3 1 3 0 3 0 1 6 2 5 3 9 3 7 4 6 5 7 5 4 6 4 6 10 5 9 9 8 6 4 3 5 9 187
062 Refrigeration 0 2 2 3 0 4 2 0 0 3 3 4 3 2 3 0 0 3 1 4 2 5 4 0 1 8 9 3 7 6 9 2 5 2 7 11 10 8 9 10 10 7 4 8 186
206 Special Receptacle or Package 2 1 5 2 3 2 4 4 1 0 4 1 0 5 3 3 2 3 3 3 3 2 1 2 4 4 5 4 5 5 9 9 10 3 11 8 8 8 3 4 7 1 5 9 181
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 1 2 3 0 0 0 2 1 3 5 2 1 4 8 9 13 6 15 9 9 4 6 5 8 18 16 12 15 181
204 Chemistry: Electrical and Wave Energy 0 0 0 0 0 0 2 2 5 0 3 1 2 10 9 14 11 8 7 3 8 12 10 2 3 5 2 4 1 3 5 5 7 2 0 2 6 8 2 4 3 4 3 2 180
126 Stoves and Furnaces 4 1 3 2 1 2 4 3 5 2 1 2 0 2 5 3 8 3 8 7 6 5 4 2 2 5 3 4 7 7 2 5 5 4 0 7 3 7 6 3 5 10 5 0 173
340 Communications: Electrical 0 1 2 1 0 0 0 2 1 4 4 2 1 1 2 1 3 5 3 1 1 2 0 2 5 3 3 3 6 4 2 1 6 6 10 10 6 14 7 15 6 4 10 12 172
280 Land Vehicles 2 0 3 3 0 2 2 2 2 2 1 6 4 4 2 4 2 3 4 0 1 2 5 4 5 4 3 5 3 5 2 2 2 6 4 8 7 11 4 7 6 0 5 7 156
356 Optics: Measuring and Testing 1 0 0 0 1 1 4 3 7 1 8 9 4 1 3 2 3 1 1 1 2 1 2 1 2 2 2 0 2 1 7 5 4 5 5 7 11 6 4 6 3 6 5 9 149
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 0 0 0 0 2 1 0 3 1 1 0 4 3 7 3 8 8 7 4 8 18 8 6 2 4 1 2 3 11 5 5 3 1 1 1 4 0 2 2 1 1 0 1 144
252 Compositions 5 3 2 3 7 5 4 5 9 5 8 4 5 10 4 6 6 3 3 2 7 2 4 2 0 2 0 0 2 2 2 4 1 1 0 1 2 1 3 2 1 2 3 1 144
427 Coating Processes 3 0 1 2 3 4 3 6 4 8 2 4 1 2 4 3 0 2 4 1 1 5 5 1 2 6 1 2 0 5 1 6 4 1 4 5 7 3 8 7 4 2 0 3 140
604 Surgery (Medicators and Receptors) 0 1 1 0 1 2 0 0 1 2 4 0 3 2 2 1 1 1 3 2 0 1 2 3 1 2 4 6 8 11 8 4 4 6 6 8 4 5 7 9 4 4 3 3 140
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 3 5 2 12 9 4 8 3 5 7 1 3 4 3 1 3 2 2 2 2 4 1 4 1 1 2 1 0 4 3 3 0 0 4 2 4 1 1 5 5 1 3 1 1 133
473 Games Using Tangible Projectile 2 0 2 0 2 0 1 0 2 0 3 3 3 1 2 1 1 0 4 0 1 1 2 0 0 1 4 7 7 3 2 6 5 7 6 9 9 7 4 6 2 5 5 6 132
002 Apparel 3 5 3 1 3 2 3 0 2 0 1 3 1 0 4 3 1 1 1 3 3 1 4 5 5 3 4 0 5 1 2 3 6 3 3 3 4 3 10 9 6 4 3 1 131
362 Illumination 0 0 1 0 0 0 2 2 1 4 0 1 0 1 2 0 2 3 1 3 3 2 1 6 0 3 0 1 4 3 1 1 0 3 4 4 2 10 13 12 8 5 5 13 127
165 Heat Exchange 0 1 4 2 6 2 4 4 1 4 1 5 3 1 2 1 1 2 3 1 2 1 3 4 2 5 3 1 3 6 1 5 4 3 4 5 5 1 3 2 1 4 3 2 121
348 Television 0 0 0 0 0 0 0 1 0 0 2 0 0 1 1 1 2 5 1 3 5 2 2 1 3 5 9 9 10 4 5 6 5 1 8 1 7 4 3 3 3 4 3 0 120
220 Receptacles 3 1 0 3 3 2 1 2 1 2 0 3 4 0 1 1 1 1 1 0 1 0 2 1 1 4 5 5 2 7 6 4 5 4 5 4 8 3 6 6 3 4 2 1 119
106 Compositions: Coating or Plastic 10 1 8 4 2 4 2 4 3 1 5 0 1 2 1 3 3 1 1 0 1 2 1 0 2 1 3 4 4 5 4 3 1 1 4 5 5 1 1 0 1 6 3 2 116
123 Internal-Combustion Engines 1 1 2 1 0 1 0 1 0 0 0 1 2 3 3 4 2 4 3 3 3 2 1 3 5 3 1 3 2 4 3 2 5 1 3 3 1 6 7 4 10 3 2 6 115
015 Brushing, Scrubbing, and General Cleaning 2 4 1 1 1 2 1 2 0 3 2 3 3 3 3 1 2 3 3 3 6 6 2 4 3 2 2 2 0 3 1 2 3 6 4 8 4 1 2 1 2 2 1 2 112
056 Harvesters 2 5 5 4 3 6 9 11 6 0 1 2 2 1 1 1 2 0 1 0 0 2 0 1 2 3 1 1 2 5 2 2 4 3 0 1 3 3 4 1 3 1 2 4 112
297 Chairs and Seats 2 2 1 2 2 1 4 0 5 3 2 2 1 0 1 3 1 2 0 1 1 0 1 4 1 1 2 0 3 4 2 6 3 7 4 12 1 6 3 6 3 3 3 1 112
324 Electricity: Measuring and Testing 0 1 2 2 1 2 1 2 3 2 3 2 3 1 0 1 0 0 0 0 1 1 2 0 0 6 4 2 2 3 3 3 6 8 5 5 2 3 6 6 6 4 4 3 111
222 Dispensing (apparatus and process) 1 1 5 4 5 5 4 2 0 1 4 3 5 3 4 2 0 3 2 5 0 2 0 4 1 1 3 0 0 3 2 2 2 5 1 5 5 3 2 4 2 3 1 0 110
439 Electrical Connectors 0 0 1 0 1 2 0 0 0 0 0 0 1 2 1 2 0 0 1 1 1 0 1 0 3 3 4 2 1 2 1 5 7 7 5 2 6 9 13 5 3 4 4 10 110
081 Tools 0 0 0 1 2 0 0 0 0 0 0 0 0 0 4 0 0 0 2 0 3 4 0 0 1 1 3 1 4 0 4 3 1 7 6 5 14 14 10 7 4 1 4 3 109
084 Music 0 0 1 1 0 2 2 0 0 4 4 1 3 0 2 4 10 4 4 6 0 0 1 1 3 1 3 2 2 5 2 4 3 2 2 4 7 4 0 5 2 3 3 0 107
174 Electricity: Conductors and Insulators 0 1 1 0 0 0 1 2 2 2 1 1 0 0 0 1 1 0 1 0 1 1 3 3 1 0 1 4 0 1 2 2 3 3 6 6 5 2 6 4 7 8 8 16 107
043 Fishing, Trapping, and Vermin Destroying 0 0 3 0 3 1 6 1 1 2 4 2 1 0 1 2 2 2 1 2 2 3 4 3 2 3 1 3 4 3 1 4 3 1 1 1 5 4 3 3 5 7 6 0 106
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 2 0 1 4 1 3 1 1 1 3 4 2 5 0 1 0 0 3 2 0 1 1 1 0 3 0 1 0 0 4 4 5 4 3 2 1 9 2 4 4 6 2 1 2 94
030 Cutlery 1 0 1 1 5 0 0 0 2 1 1 0 1 2 1 2 1 3 2 2 1 1 0 4 3 2 4 4 1 2 1 0 5 4 3 1 5 2 5 6 3 5 1 4 93
211 Supports: Racks 0 0 2 1 1 5 0 0 1 3 1 2 0 2 0 3 5 0 1 0 1 1 1 4 1 3 2 3 2 3 0 6 1 2 5 7 3 5 2 1 2 4 3 4 93
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 1 1 5 4 1 0 2 0 1 1 5 5 5 1 3 2 2 2 2 4 2 0 2 0 4 0 2 2 0 2 1 2 1 3 2 2 2 1 2 6 2 6 1 92
426 Food or Edible Material: Processes, Compositions, and Products 0 1 1 0 0 1 0 2 3 2 1 3 0 2 2 1 1 5 0 3 1 1 3 0 1 1 2 1 3 1 3 4 1 4 2 3 6 3 7 6 6 2 1 1 91
074 Machine Element or Mechanism 0 0 0 2 3 3 3 1 0 1 1 3 2 0 1 1 0 2 1 1 1 1 1 2 2 0 2 1 3 3 5 5 1 3 4 6 5 4 5 0 7 2 0 1 89
361 Electricity: Electrical Systems and Devices 0 0 3 2 1 4 2 1 2 2 3 1 3 0 1 2 1 1 2 1 2 2 2 1 0 1 3 1 2 1 1 1 5 4 3 7 2 3 4 3 3 1 5 0 89
376 Induced Nuclear Reactions: Processes, Systems, and Elements 5 7 4 5 1 3 3 4 2 1 5 2 1 1 1 8 2 0 0 2 2 1 3 2 2 4 0 1 2 3 0 2 2 1 0 0 0 2 0 2 0 2 1 0 89
033 Geometrical Instruments 2 2 0 4 2 0 1 0 0 2 2 1 1 0 0 0 1 1 2 3 3 2 2 1 3 1 2 5 4 5 4 3 4 2 1 4 3 1 2 3 3 0 4 2 88
242 Winding, Tensioning, or Guiding 2 2 1 6 3 5 3 2 4 5 3 2 0 3 2 5 2 2 0 0 0 4 1 5 3 0 2 1 1 0 1 1 0 2 1 1 4 2 1 2 1 2 0 0 87
417 Pumps 2 1 0 1 0 1 1 0 0 1 0 0 0 4 0 3 0 0 1 0 3 1 1 1 1 1 4 2 1 2 2 2 1 4 2 1 0 6 4 5 9 6 8 4 86
072 Metal Deforming 2 0 4 1 1 2 3 3 4 2 1 2 1 0 3 1 2 5 1 2 5 3 1 1 1 2 2 3 1 1 2 2 2 0 4 2 2 1 5 0 0 1 2 1 84
083 Cutting 2 1 4 2 0 4 2 0 5 2 3 4 1 0 0 2 1 2 4 1 0 2 2 2 2 1 2 2 2 2 1 5 2 1 0 0 5 3 0 0 1 3 1 5 84
451 Abrading 3 2 2 2 1 0 0 3 3 4 1 2 5 1 1 0 1 1 1 3 3 3 1 0 2 2 1 0 1 1 0 1 5 4 4 4 4 2 3 1 3 1 1 1 84
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 1 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 1 2 0 4 1 1 1 4 9 5 6 6 4 2 6 10 14 83
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 1 3 4 0 1 0 5 1 2 2 0 0 0 5 1 1 0 1 2 0 2 3 1 0 0 0 0 2 1 1 5 3 2 5 5 3 3 4 2 4 3 2 2 82
162 Paper Making and Fiber Liberation 1 7 7 1 3 2 3 2 1 3 2 3 3 1 1 1 0 0 2 0 0 1 0 0 0 3 5 2 1 0 1 0 2 3 1 2 1 1 3 4 2 3 1 2 81
315 Electric Lamp and Discharge Devices: Systems 0 0 0 1 1 1 0 2 1 1 1 0 3 0 1 2 0 1 1 0 3 4 2 0 0 2 1 4 2 4 1 4 4 2 1 4 1 1 4 7 2 4 1 7 81
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 2 1 1 6 0 5 2 2 2 2 6 1 0 2 4 2 0 1 6 2 2 2 1 0 0 1 1 0 0 2 4 4 2 2 2 3 2 1 0 1 2 0 0 1 80
119 Animal Husbandry 0 1 3 1 0 1 0 1 1 3 4 1 0 0 2 1 0 1 2 1 0 1 3 2 1 0 1 2 4 0 1 2 0 1 2 7 8 2 4 5 6 2 0 3 80
209 Classifying, Separating, and Assorting Solids 1 0 1 4 1 1 1 0 2 0 0 0 2 1 2 4 0 2 2 3 0 1 4 0 0 1 0 1 0 3 0 4 5 6 2 2 3 4 3 2 5 2 2 0 77
236 Automatic Temperature and Humidity Regulation 2 3 0 0 0 1 0 0 2 1 4 4 0 7 5 3 5 6 7 1 1 2 1 2 2 0 3 5 2 1 2 0 1 0 0 0 2 0 1 0 0 0 0 1 77
004 Baths, Closets, Sinks, and Spittoons 1 1 0 1 0 0 0 1 2 0 1 1 1 1 0 1 3 3 0 3 2 1 2 0 3 2 1 5 5 2 0 2 3 1 1 2 4 4 1 4 2 6 0 2 75
005 Beds 3 2 0 3 0 0 1 2 1 1 1 0 0 2 1 0 1 0 1 0 2 2 1 1 2 1 1 2 1 3 2 2 1 2 5 2 3 5 6 3 1 3 4 1 75
114 Ships 1 0 1 2 3 1 1 1 0 1 1 3 0 1 1 0 1 0 1 0 1 0 1 2 1 0 3 1 4 1 1 0 3 5 1 3 4 2 2 3 8 1 5 4 75
310 Electrical Generator or Motor Structure 1 0 0 0 2 0 1 0 0 0 0 0 0 0 1 1 1 1 0 2 2 3 0 1 0 1 3 2 2 3 4 1 4 3 2 3 6 5 1 1 1 4 7 5 74
318 Electricity: Motive Power Systems 1 0 0 0 0 4 1 2 3 5 2 2 0 2 1 1 0 1 1 1 0 0 0 2 0 1 1 2 1 0 6 1 0 0 3 4 3 5 7 3 1 2 2 2 73