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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

TEXAS

( 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
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 158 113 166 158 199 220 194 169 157 150 173 200 170 143 131 153 100 128 134 73 146 203 180 213 238 175 181 171 173 175 178 267 195 149 105 186 205 268 273 247 296 357 247 385 8302
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 30 34 31 77 75 73 62 54 42 83 39 53 71 78 78 115 56 69 79 91 103 104 117 111 118 113 164 148 156 173 194 195 158 129 124 117 100 148 170 174 134 109 110 124 4583
438 Semiconductor Device Manufacturing: Process 7 2 6 6 12 14 15 16 26 11 12 15 19 10 8 11 11 9 20 15 29 24 25 37 46 51 90 64 87 108 122 147 171 125 141 181 277 326 343 290 240 267 207 217 3860
532 Organic Compounds (includes Classes 532-570) 58 77 48 79 81 63 65 51 63 98 83 78 100 78 74 81 63 68 58 70 59 84 82 72 67 61 101 101 102 123 103 114 109 91 66 91 67 67 64 105 61 50 45 76 3397
175 Boring or Penetrating the Earth 53 58 60 39 70 57 51 49 56 69 59 49 44 51 41 44 23 36 64 26 55 56 66 67 72 64 61 43 53 53 35 80 63 60 55 68 81 88 102 102 95 84 69 109 2680
073 Measuring and Testing 55 28 47 50 66 60 68 63 48 58 65 72 61 53 45 45 51 38 49 56 58 66 67 72 46 62 78 77 47 67 62 70 57 68 64 66 63 61 67 57 79 80 76 85 2673
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 6 9 5 12 13 20 19 17 15 11 11 13 9 17 22 10 8 18 14 9 8 4 10 11 32 23 48 59 98 72 62 101 85 118 98 136 148 182 140 121 121 138 120 103 2296
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 1 5 2 12 2 2 2 4 2 8 3 10 7 7 7 8 13 16 22 9 11 21 28 25 18 27 55 58 76 70 76 70 92 83 136 132 169 158 158 163 139 108 85 103 2203
137 Fluid Handling 38 36 51 38 42 51 50 45 57 53 65 53 41 39 20 38 32 45 55 31 25 45 44 47 56 32 51 39 43 41 41 52 37 44 20 44 53 52 65 41 45 30 28 30 1885
324 Electricity: Measuring and Testing 20 15 27 32 29 32 35 28 28 16 27 17 19 14 17 30 9 11 19 19 18 30 35 38 46 37 40 43 33 58 28 26 55 65 45 41 50 75 71 95 115 105 109 88 1790
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 0 0 0 1 0 0 0 0 2 4 0 3 4 0 2 2 6 5 9 8 18 4 4 8 12 18 7 16 22 28 36 47 79 107 182 206 172 129 126 126 145 114 126 1778
367 Communications, Electrical: Acoustic Wave Systems and Devices 23 20 28 69 66 41 33 40 45 49 59 31 42 31 34 24 25 37 28 34 24 29 52 44 75 44 73 69 49 54 38 32 36 49 39 45 42 49 21 22 25 21 27 30 1748
365 Static Information Storage and Retrieval 2 1 2 2 3 1 3 2 6 6 8 7 12 14 15 26 16 19 19 32 25 16 31 42 41 32 60 36 53 44 53 81 85 96 87 82 109 106 79 65 69 74 56 68 1686
361 Electricity: Electrical Systems and Devices 3 15 8 12 10 7 10 11 5 8 17 7 10 7 8 8 7 10 11 10 8 11 3 6 17 14 29 18 27 32 37 37 64 67 67 105 97 134 157 132 118 124 84 86 1658
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 1 1 1 1 3 2 2 0 2 2 2 3 3 3 6 3 3 9 10 9 7 10 9 18 13 19 27 29 39 56 77 166 131 131 157 156 138 131 108 143 1631
370 Multiplex Communications 3 0 1 1 0 0 1 2 2 3 0 2 4 4 3 5 0 7 2 5 12 7 10 15 11 5 12 14 12 10 13 22 18 31 30 62 86 118 123 135 148 180 162 211 1492
455 Telecommunications 3 6 3 5 1 3 4 3 7 5 7 1 7 8 3 7 10 9 5 7 11 3 11 5 15 6 8 11 21 12 24 15 15 33 26 79 110 183 174 127 101 118 106 169 1487
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 8 8 16 12 8 12 22 14 17 20 12 13 9 11 9 13 5 10 18 13 21 11 26 18 27 14 22 27 35 36 21 46 55 59 41 72 76 86 92 84 92 62 65 62 1400
714 Error Detection/Correction and Fault Detection/Recovery 0 0 0 3 0 0 0 2 2 2 8 5 1 3 8 2 2 4 8 3 4 2 9 14 22 12 19 9 14 18 13 39 40 76 74 95 105 95 77 104 129 115 101 136 1375
250 Radiant Energy 15 14 15 23 18 23 20 29 22 18 28 29 30 26 25 18 23 21 21 24 19 33 33 37 43 33 49 33 45 30 38 42 55 41 32 33 41 39 34 41 42 44 32 52 1363
405 Hydraulic and Earth Engineering 6 8 11 8 17 21 25 25 33 47 38 47 25 32 35 39 21 30 24 28 25 37 28 28 47 40 44 33 40 26 37 32 31 48 36 36 39 28 36 32 34 31 39 35 1362
340 Communications: Electrical 10 6 20 11 12 18 17 24 21 27 27 29 22 15 18 17 13 9 12 18 10 14 11 21 31 14 49 30 31 28 22 38 35 33 43 49 49 70 52 65 45 68 67 99 1320
210 Liquid Purification or Separation 6 7 8 13 11 12 15 12 19 25 15 21 17 19 20 13 18 16 14 31 15 11 36 33 27 40 36 29 44 49 58 47 54 40 50 53 44 53 52 41 46 46 21 33 1270
379 Telephonic Communications 1 2 1 3 1 0 2 3 1 2 6 8 7 14 8 6 2 2 4 5 5 14 4 14 13 16 15 28 9 22 18 27 37 49 46 79 100 93 101 75 101 109 89 122 1264
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 0 0 0 0 0 0 0 3 1 3 2 0 1 2 6 2 3 5 6 4 10 13 9 9 10 7 7 6 10 13 19 22 38 70 161 190 125 119 74 53 60 63 70 1198
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1 1 0 2 0 0 1 2 2 5 4 2 3 0 3 6 3 3 3 6 5 4 7 16 11 15 20 16 14 16 16 24 26 40 28 37 59 70 65 113 114 142 130 125 1160
062 Refrigeration 18 11 17 22 15 22 13 15 14 7 15 17 19 20 16 12 16 16 21 21 23 22 32 36 34 28 30 30 24 28 28 39 29 37 32 27 40 42 51 41 50 29 31 43 1133
285 Pipe Joints or Couplings 21 16 18 35 29 15 31 24 25 19 20 15 20 26 19 28 13 25 17 20 32 42 41 50 47 26 43 42 32 28 11 25 27 21 8 21 22 24 20 31 25 25 24 16 1119
585 Chemistry of Hydrocarbon Compounds 21 17 30 41 27 21 36 19 14 32 52 35 10 12 21 14 13 12 11 7 29 28 20 8 20 15 7 22 38 34 40 16 29 19 17 28 46 34 31 39 30 35 25 54 1109
128 Surgery (includes Class 600) 2 3 6 4 3 4 8 10 10 6 12 10 14 11 14 10 8 9 9 9 11 8 11 16 20 20 37 29 33 45 44 32 47 37 52 62 72 55 57 69 56 40 36 34 1085
435 Chemistry: Molecular Biology and Microbiology 1 2 1 0 1 3 0 0 2 1 2 1 5 6 3 7 3 12 9 5 4 7 5 7 10 8 22 20 28 37 44 52 29 51 66 88 90 70 59 56 70 69 57 56 1069
428 Stock Material or Miscellaneous Articles 1 2 4 9 10 8 6 20 14 16 8 19 19 13 15 6 12 19 13 11 13 24 17 19 24 23 42 32 24 36 37 39 42 58 41 49 49 53 34 46 44 34 34 24 1063
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 2 5 1 2 1 0 5 7 7 5 5 12 16 20 58 85 70 105 93 115 136 132 164 1049
208 Mineral Oils: Processes and Products 12 16 21 24 5 11 17 18 27 26 38 30 23 21 26 25 14 18 20 24 25 33 25 25 22 23 38 28 26 31 36 40 26 17 19 26 41 24 21 30 17 16 16 20 1041
052 Static Structures (e.g., Buildings) 17 5 10 12 13 20 11 11 12 16 17 20 21 12 21 19 13 11 19 17 13 27 12 30 28 26 24 29 30 18 28 24 23 34 32 48 49 38 48 54 35 35 22 22 1026
029 Metal Working 9 12 12 22 14 14 18 19 21 22 20 30 22 16 19 20 11 22 13 19 24 19 24 25 19 26 29 25 29 31 35 35 31 24 35 34 30 22 36 22 27 27 26 31 1021
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 2 0 0 1 1 0 2 2 3 4 1 1 1 5 7 12 9 11 12 8 12 30 10 8 5 11 21 27 35 39 57 72 87 91 74 68 52 66 53 45 60 1005
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 1 0 0 1 1 0 1 4 0 0 0 0 1 5 3 0 0 6 3 3 6 6 4 5 16 13 24 42 52 97 96 63 60 74 72 101 86 144 990
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 3 5 4 5 3 9 7 6 17 7 14 18 25 24 17 12 26 25 17 19 26 39 26 25 23 21 31 33 32 24 27 32 17 27 24 24 37 23 45 30 32 35 37 933
375 Pulse or Digital Communications 1 2 1 3 1 1 1 2 1 3 0 5 3 2 0 4 2 5 4 3 5 12 8 6 12 7 9 6 17 10 9 8 14 33 42 46 53 72 69 68 67 75 80 121 893
251 Valves and Valve Actuation 15 11 19 14 22 19 19 18 22 14 23 22 33 11 20 21 16 21 23 26 16 29 37 26 21 10 20 21 22 19 22 20 14 14 12 17 17 22 17 21 20 8 17 24 855
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 2 0 0 1 2 2 2 2 3 4 5 6 19 21 15 22 19 28 53 56 59 72 80 81 90 82 80 809
423 Chemistry of Inorganic Compounds 17 8 13 14 21 24 17 19 19 13 14 21 20 21 19 19 17 22 25 24 26 37 22 23 20 20 29 17 14 17 11 13 12 14 16 14 11 8 18 11 18 23 20 26 807
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 0 0 0 0 0 0 0 0 3 0 1 2 0 0 0 1 1 1 8 17 8 5 15 7 12 10 13 16 11 18 32 45 34 55 56 49 46 53 66 59 73 60 777
417 Pumps 28 18 15 18 13 33 22 18 12 12 10 21 17 22 16 21 19 18 14 12 23 16 34 17 9 16 11 8 20 18 19 10 17 17 20 27 9 22 28 19 18 12 8 8 765
341 Coded Data Generation or Conversion 0 4 2 1 3 0 3 3 8 14 6 4 3 6 5 4 6 6 1 5 6 4 7 8 7 6 18 9 22 14 23 23 22 21 29 33 27 42 67 71 67 44 62 47 763
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 1 0 1 2 6 5 8 2 3 1 4 2 3 9 3 7 5 6 5 5 3 5 11 6 8 11 10 18 16 35 12 29 27 27 37 58 84 92 79 90 736
507 Earth Boring, Well Treating, and Oil Field Chemistry 6 3 10 11 4 9 6 15 12 13 9 10 17 18 13 11 9 26 17 19 14 25 28 20 15 15 9 12 18 26 20 11 6 13 23 22 28 34 26 13 23 27 23 37 726
439 Electrical Connectors 7 2 4 4 3 3 4 6 6 6 9 12 6 8 15 5 10 9 10 5 9 8 12 17 18 19 30 25 24 26 18 28 19 15 25 26 28 26 33 32 36 38 34 39 719
604 Surgery (Medicators and Receptors) 1 1 0 2 1 2 6 2 0 4 10 15 8 3 4 7 2 10 7 15 11 15 9 15 19 20 22 26 29 27 31 33 32 15 22 38 44 46 34 31 28 18 14 24 703
326 Electronic Digital Logic Circuitry 0 1 0 0 1 1 0 4 8 5 2 2 1 3 4 1 4 2 5 6 5 13 9 15 13 8 21 20 33 33 15 29 36 48 26 33 25 42 44 31 33 35 45 37 699
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 3 5 9 18 10 10 14 13 11 13 8 12 12 14 16 14 13 16 19 9 13 21 19 19 13 15 15 26 22 28 21 20 16 17 20 19 30 19 21 18 12 15 9 12 679
414 Material or Article Handling 13 8 14 24 9 11 17 15 16 17 22 40 32 15 17 19 10 5 12 8 24 19 15 14 16 10 12 12 20 16 13 20 8 14 10 12 16 22 18 16 12 10 7 7 667
708 Arithmetic Processing and Calculating (Electrical Computers) 6 0 5 3 3 1 5 1 5 3 4 3 16 18 7 13 7 10 5 8 4 10 9 4 11 18 14 12 20 20 21 22 22 27 36 36 40 33 50 34 28 19 21 19 653
359 Optics: Systems and Elements 0 4 2 1 1 3 11 11 11 5 3 3 1 6 4 3 5 2 5 2 3 3 12 4 9 4 11 7 7 18 19 14 22 30 37 34 28 30 38 27 50 48 53 56 647
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 6 6 9 8 4 6 16 6 7 11 14 13 10 15 18 10 11 16 10 10 5 7 12 12 22 15 14 22 13 20 20 26 25 26 21 19 24 24 22 25 18 12 11 17 638
204 Chemistry: Electrical and Wave Energy 11 8 9 11 13 8 13 10 21 30 15 23 15 9 12 13 11 16 15 12 23 10 8 7 24 16 22 15 10 15 7 14 9 15 12 8 20 16 21 11 19 12 13 7 609
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 5 8 5 2 5 3 8 16 14 13 13 16 18 10 12 6 10 12 13 13 7 8 15 14 17 9 22 22 16 15 13 12 23 17 16 19 21 22 26 20 26 13 10 10 595
280 Land Vehicles 6 5 8 8 10 10 13 11 9 14 20 15 14 10 15 16 7 8 7 6 12 3 4 11 14 8 13 13 13 10 21 18 15 13 15 20 22 23 22 18 22 15 26 22 585
606 Surgery (instruments) 2 2 1 2 2 1 2 0 2 1 4 1 5 0 0 2 0 4 0 6 2 7 6 7 14 14 12 12 15 19 22 34 36 30 39 33 49 37 24 25 34 18 14 20 560
427 Coating Processes 2 3 2 3 7 11 6 18 11 19 5 9 12 9 10 14 5 9 12 10 11 11 13 7 11 10 11 13 21 14 14 25 15 14 23 24 31 18 17 18 18 14 11 6 547
277 Seal for a Joint or Juncture 13 12 12 15 13 11 9 8 13 5 9 9 14 2 6 12 10 15 13 8 27 33 21 17 8 13 8 7 9 10 11 5 6 9 15 17 12 17 18 21 11 10 17 7 538
248 Supports (e.g., for holding articles, etc.) 5 5 10 9 15 6 8 3 7 5 3 10 7 12 6 6 1 2 3 6 6 3 3 13 11 11 14 12 23 21 19 20 22 17 21 18 27 22 33 21 24 19 13 15 537
244 Aeronautics and Astronautics 7 6 7 16 6 12 10 12 17 12 12 6 10 9 10 14 7 3 9 9 2 11 7 8 9 9 17 6 17 16 14 14 22 8 5 24 16 13 23 30 25 17 11 12 530
385 Optical Waveguides 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 0 0 4 1 5 3 0 3 4 6 13 6 6 19 23 17 13 20 16 26 14 20 27 52 66 69 46 46 530
348 Television 0 0 2 2 3 4 3 13 7 2 4 2 3 3 6 3 3 5 5 2 5 4 7 8 17 5 7 5 2 4 15 17 17 25 33 39 30 27 29 25 31 38 23 35 520
219 Electric Heating 4 3 8 8 9 10 12 17 8 9 3 8 8 7 12 5 8 6 12 9 9 5 8 8 9 8 11 20 14 9 15 8 9 12 10 19 21 40 32 18 10 11 11 21 504
473 Games Using Tangible Projectile 1 2 6 3 1 8 7 5 4 4 4 5 9 9 7 3 6 10 10 7 4 5 8 7 7 12 12 15 21 12 23 20 30 28 35 26 28 18 11 14 15 11 4 19 496
222 Dispensing (apparatus and process) 3 9 24 18 6 16 7 10 15 7 9 11 10 8 4 10 9 9 5 0 6 8 6 6 12 8 14 13 17 19 15 16 14 10 11 23 19 16 17 14 11 11 4 14 494
206 Special Receptacle or Package 4 4 4 6 4 4 3 5 4 5 5 6 7 7 6 9 7 10 5 3 7 5 6 5 10 10 22 15 19 16 17 20 20 13 16 24 17 19 22 24 20 15 24 16 490
330 Amplifiers 4 0 12 5 4 2 8 8 9 4 2 4 5 5 4 1 4 0 4 7 7 5 13 13 10 11 13 8 9 9 7 14 14 9 5 14 17 22 28 34 32 36 26 42 490
114 Ships 11 7 8 10 11 9 13 5 13 13 10 15 14 16 9 8 1 9 7 10 6 6 15 9 11 12 13 8 9 4 11 5 12 10 11 10 21 13 13 17 12 16 18 27 488
043 Fishing, Trapping, and Vermin Destroying 9 8 15 5 1 7 4 12 10 11 13 11 5 12 9 7 4 9 6 7 3 7 10 13 21 17 28 24 16 23 14 14 11 10 6 15 16 11 13 8 14 10 10 7 486
362 Illumination 2 0 5 8 2 3 2 4 7 12 11 4 4 6 8 4 5 2 5 7 7 4 10 5 6 14 8 15 20 17 12 17 24 14 17 20 16 22 24 34 25 14 17 23 486
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 0 1 0 0 0 0 1 0 1 1 0 1 1 0 0 1 0 2 0 1 4 4 2 3 4 4 2 10 13 5 9 21 43 41 39 27 30 32 21 63 82 469
356 Optics: Measuring and Testing 1 0 1 0 1 1 2 9 8 11 7 6 7 4 2 3 3 7 6 2 2 7 10 3 18 8 6 5 13 9 15 19 20 14 14 14 20 27 17 12 33 36 29 30 462
239 Fluid Sprinkling, Spraying, and Diffusing 7 8 8 13 10 18 15 10 21 13 13 15 20 20 5 10 8 10 9 13 1 0 7 8 7 6 9 6 13 14 18 12 14 11 5 16 12 14 6 9 5 7 6 7 459
181 Acoustics 5 4 14 9 5 14 13 16 8 13 8 10 13 17 22 15 7 13 20 6 14 9 5 6 17 16 23