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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

WASHINGTON

( 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
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 0 2 2 3 4 2 1 4 2 3 6 2 0 3 3 2 1 3 5 5 1 3 7 7 4 5 17 17 23 25 30 23 26 32 58 85 86 72 71 87 90 55 66 86 1029
244 Aeronautics and Astronautics 5 15 7 11 3 2 9 9 17 9 9 19 22 30 35 19 24 29 27 13 21 42 23 28 43 37 27 20 31 37 9 11 15 10 22 35 32 34 29 23 30 44 49 51 1017
435 Chemistry: Molecular Biology and Microbiology 0 0 3 0 0 1 0 1 1 1 1 1 1 1 0 1 0 2 1 2 5 6 0 4 6 8 20 24 16 25 29 25 34 51 62 90 71 90 82 73 64 48 61 58 969
128 Surgery (includes Class 600) 6 1 1 3 2 3 3 7 3 2 3 5 9 4 4 5 4 5 2 9 3 8 10 9 14 8 18 18 27 24 30 25 40 49 59 51 51 53 68 78 81 52 50 44 951
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 4 8 19 27 65 62 62 65 126 90 100 117 151 901
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 0 2 1 0 1 1 0 1 1 2 3 5 3 4 4 11 14 19 32 52 63 67 70 66 70 81 75 166 819
073 Measuring and Testing 10 8 11 14 5 9 15 7 18 14 11 14 11 14 15 18 14 11 7 7 14 14 28 21 20 22 29 15 25 23 21 24 18 15 22 24 23 33 24 22 24 21 36 33 784
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 0 0 0 0 0 1 0 0 1 1 0 0 0 1 0 0 0 2 1 1 5 4 5 25 51 54 60 70 56 53 76 75 84 137 763
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 3 0 3 1 9 37 40 47 43 58 73 82 106 167 672
382 Image Analysis 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 2 2 3 2 3 2 5 2 6 15 38 38 34 37 39 61 73 56 149 569
324 Electricity: Measuring and Testing 4 2 2 6 8 6 4 3 8 3 2 3 6 7 3 8 7 5 3 3 2 9 7 5 7 14 26 20 28 17 14 12 19 27 18 18 22 21 22 29 31 25 26 29 541
280 Land Vehicles 7 8 6 10 16 5 7 10 5 4 12 14 16 8 1 5 9 9 9 6 2 4 13 16 12 14 11 15 21 11 15 17 24 17 16 22 22 19 22 13 20 14 11 12 530
428 Stock Material or Miscellaneous Articles 3 2 5 5 4 6 8 6 2 5 2 6 4 6 3 4 2 5 9 5 7 9 12 13 9 7 15 12 13 14 10 10 14 20 17 24 31 12 26 22 26 25 12 9 461
340 Communications: Electrical 2 1 3 2 6 5 2 3 8 7 8 5 10 17 6 1 3 4 2 5 4 2 4 4 8 6 20 17 19 8 11 6 9 12 12 15 24 28 15 18 20 31 23 36 452
347 Incremental Printing of Symbolic Information 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 1 1 4 0 3 5 5 4 10 11 16 23 18 35 63 58 61 48 42 33 445
532 Organic Compounds (includes Classes 532-570) 0 3 2 9 10 6 7 6 1 8 3 8 5 8 12 2 4 4 4 0 3 6 5 3 5 0 3 5 7 11 9 6 18 18 18 22 21 23 15 29 28 24 19 24 424
455 Telecommunications 0 0 2 0 2 0 2 0 1 0 1 0 1 0 0 0 1 1 1 1 0 1 0 1 1 3 1 0 2 2 2 4 4 5 9 21 29 20 37 30 25 43 62 108 423
052 Static Structures (e.g., Buildings) 5 4 6 12 14 11 8 6 9 3 6 4 7 4 6 8 2 5 8 7 9 11 9 14 11 7 6 11 13 6 11 15 13 6 9 13 8 16 21 18 9 11 12 12 406
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 2 0 1 2 2 0 4 0 3 0 1 1 0 0 2 0 0 1 0 0 0 1 1 2 2 6 9 6 15 23 17 10 13 11 20 38 37 19 27 27 35 22 20 21 401
414 Material or Article Handling 7 8 16 18 11 8 8 8 12 14 14 7 19 4 8 8 6 8 11 5 3 1 9 6 5 12 9 9 10 9 8 10 9 7 7 13 11 7 3 11 4 5 1 3 372
250 Radiant Energy 0 1 2 0 2 9 6 3 4 2 4 3 7 6 6 4 2 3 6 4 4 1 4 1 9 7 17 24 21 10 13 13 8 6 14 9 9 4 12 11 21 27 22 30 371
717 DP: Software Development, Installation, and Management (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 1 3 5 6 5 23 11 27 32 47 23 40 48 89 363
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 0 0 0 0 1 1 2 4 0 1 2 2 2 0 2 0 0 0 5 5 2 2 1 1 9 15 20 17 22 23 26 23 15 32 18 29 19 28 33 362
029 Metal Working 2 5 1 5 4 2 9 4 2 7 10 7 7 6 4 7 3 6 2 3 6 5 9 3 10 4 9 6 20 14 15 9 7 14 15 8 10 13 14 13 15 13 12 14 354
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1 3 0 6 7 6 5 5 5 3 4 3 6 10 10 12 5 7 12 5 6 13 8 3 7 9 11 19 5 5 7 11 7 9 16 9 10 14 9 4 13 11 11 10 342
210 Liquid Purification or Separation 0 4 1 5 4 0 3 5 2 3 6 9 2 5 8 6 7 2 4 6 9 3 3 5 3 7 10 8 9 12 16 11 11 13 17 10 17 11 13 13 10 14 8 13 328
438 Semiconductor Device Manufacturing: Process 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 3 2 6 7 5 8 2 5 7 16 12 25 34 65 44 37 49 328
060 Power Plants 6 1 3 5 3 2 2 1 4 3 1 8 4 7 6 10 6 11 7 4 4 7 5 7 7 2 16 8 6 10 12 8 8 9 9 12 13 9 8 9 12 11 8 14 308
043 Fishing, Trapping, and Vermin Destroying 10 20 21 13 12 9 7 3 7 4 8 4 3 4 3 2 7 9 3 4 2 3 9 8 12 10 16 11 8 5 5 8 3 2 6 4 9 6 3 5 4 3 8 3 306
114 Ships 4 6 4 7 3 4 4 1 9 4 8 10 12 13 7 2 3 7 6 9 2 5 6 2 4 5 8 9 4 10 5 10 8 6 12 8 7 12 9 7 8 12 9 12 303
604 Surgery (Medicators and Receptors) 3 0 2 0 0 2 0 1 4 2 1 3 0 2 2 3 0 1 1 5 3 2 2 7 5 9 11 9 8 10 10 22 17 15 12 21 13 10 17 12 26 12 7 8 300
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 2 0 0 0 0 1 0 3 4 1 3 5 7 7 11 7 11 20 14 23 26 46 97 292
361 Electricity: Electrical Systems and Devices 0 1 0 5 1 2 1 0 1 1 3 3 2 1 3 1 1 1 3 3 2 6 5 4 6 7 8 9 2 4 5 5 6 7 8 8 4 15 18 30 22 16 24 20 274
714 Error Detection/Correction and Fault Detection/Recovery 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 1 2 1 1 3 2 4 3 5 5 7 7 2 13 6 14 8 13 16 21 32 34 24 44 271
248 Supports (e.g., for holding articles, etc.) 3 1 7 7 5 5 2 3 5 2 6 3 1 2 4 4 2 4 6 7 2 0 3 4 10 11 6 17 10 12 3 8 9 8 6 12 6 16 11 10 15 3 4 5 270
370 Multiplex Communications 1 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 1 2 1 0 1 0 0 1 0 0 1 2 3 0 1 1 3 10 13 12 16 23 24 19 34 37 59 268
239 Fluid Sprinkling, Spraying, and Diffusing 7 2 4 11 2 2 3 2 3 8 6 6 2 5 5 7 3 9 1 4 6 1 6 5 7 10 10 4 6 4 7 5 4 3 2 9 12 8 12 12 5 8 8 9 255
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 0 0 0 0 0 2 1 1 0 0 0 0 1 1 1 3 3 4 3 7 7 3 6 12 8 4 4 7 1 4 8 4 4 7 3 4 11 15 30 36 50 255
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 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 0 0 1 0 0 5 1 1 5 10 26 18 23 21 17 17 25 80 251
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 0 1 0 0 0 0 1 1 0 1 1 3 1 2 1 2 2 9 6 5 3 2 12 4 13 7 15 9 3 2 5 5 2 5 7 10 17 18 20 23 8 17 243
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 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 1 2 4 4 7 16 7 11 22 22 10 39 37 59 242
356 Optics: Measuring and Testing 0 0 1 0 3 0 3 0 2 2 0 4 2 5 1 2 4 3 2 2 2 4 3 4 4 2 10 6 7 9 3 3 6 5 9 14 6 7 7 13 21 19 22 19 241
137 Fluid Handling 2 3 2 6 1 3 6 6 4 2 4 3 2 6 6 2 2 5 8 7 2 8 6 6 6 6 7 7 3 6 11 6 5 8 4 7 15 4 10 8 2 7 6 9 239
359 Optics: Systems and Elements 1 0 2 0 1 1 3 1 1 4 1 0 2 1 1 5 6 3 5 4 4 1 3 2 1 3 6 6 4 7 7 3 3 7 5 7 12 11 18 12 21 22 10 15 232
033 Geometrical Instruments 5 2 12 5 2 6 6 4 4 5 0 1 5 1 0 4 5 4 3 4 2 8 8 10 9 4 6 8 6 6 4 4 2 4 1 10 5 5 7 6 11 6 9 12 231
439 Electrical Connectors 0 3 1 4 2 2 3 1 4 0 1 0 3 0 3 4 4 0 1 2 1 0 0 1 12 11 5 7 6 4 7 5 6 3 6 3 5 10 11 18 21 14 16 20 230
219 Electric Heating 3 2 5 2 3 3 3 2 3 3 1 2 5 2 1 1 3 1 3 1 1 5 3 6 2 2 4 5 5 4 6 4 12 11 15 17 5 12 10 7 14 7 14 9 229
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 5 4 4 5 8 4 10 10 13 9 15 27 25 26 58 226
162 Paper Making and Fiber Liberation 4 2 2 4 5 8 6 1 4 1 3 3 1 2 4 5 7 5 15 10 3 6 5 6 3 4 7 3 1 3 3 7 3 9 4 4 3 1 7 12 11 12 3 12 224
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 4 1 4 8 10 5 6 5 7 3 5 9 9 6 5 4 1 3 1 2 3 6 5 3 2 2 3 1 5 10 5 6 6 8 10 8 9 8 6 3 5 0 4 7 223
606 Surgery (instruments) 1 0 0 0 2 3 2 2 0 1 0 3 1 1 0 1 0 1 2 1 0 3 6 2 8 2 1 4 7 5 7 8 9 9 15 12 13 15 20 18 19 9 4 4 221
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 2 0 3 2 5 3 2 14 16 16 9 14 19 23 36 25 28 220
376 Induced Nuclear Reactions: Processes, Systems, and Elements 2 4 8 7 2 3 3 1 2 6 3 4 6 10 10 7 1 4 1 9 7 2 11 4 9 6 5 3 2 4 11 6 9 9 5 9 5 3 4 5 2 1 2 1 218
144 Woodworking 8 3 4 14 8 10 4 4 3 9 12 5 9 4 3 7 1 5 7 8 5 6 2 2 10 6 3 1 5 7 7 1 7 1 2 2 3 4 4 2 3 1 1 3 216
379 Telephonic Communications 0 0 0 0 0 0 0 3 0 2 1 1 1 9 5 7 5 4 2 1 1 1 2 1 3 5 3 3 3 3 6 4 7 9 11 9 6 7 10 12 9 11 19 26 212
473 Games Using Tangible Projectile 5 1 2 1 3 3 1 2 0 3 1 3 3 2 5 1 1 3 1 5 4 5 2 2 2 4 9 7 10 3 9 13 11 7 9 13 9 8 7 2 4 4 9 9 208
482 Exercise Devices 0 0 0 1 0 0 0 2 3 2 1 4 1 0 1 0 1 3 3 1 2 3 3 6 5 10 8 8 11 11 6 14 12 10 5 9 6 6 5 6 10 7 7 14 207
405 Hydraulic and Earth Engineering 2 2 4 5 1 3 5 2 5 2 1 2 6 5 3 2 1 1 5 3 2 2 4 2 7 2 6 9 10 5 4 10 7 5 8 8 9 5 7 8 5 7 8 6 206
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 3 1 7 2 1 0 3 2 2 1 4 4 2 1 1 3 0 0 3 4 1 2 6 7 6 3 2 7 5 3 5 3 5 0 7 7 9 13 9 16 16 9 18 204
426 Food or Edible Material: Processes, Compositions, and Products 3 2 2 3 4 3 2 4 8 4 8 2 3 7 2 2 2 5 4 2 0 1 1 3 3 3 8 10 7 6 9 11 8 6 4 8 11 9 5 3 3 1 2 1 195
123 Internal-Combustion Engines 1 2 3 1 2 0 2 3 3 4 4 3 5 6 6 4 2 2 3 8 7 6 2 2 5 5 2 4 8 5 7 4 5 9 3 8 10 3 6 5 5 8 1 5 189
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1 1 0 1 0 0 0 1 0 4 6 1 5 0 0 2 0 0 4 2 0 0 0 0 0 1 3 2 1 2 1 4 4 17 6 14 19 26 13 12 8 6 6 16 189
375 Pulse or Digital Communications 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 1 1 0 1 1 0 1 0 3 2 1 4 3 3 2 5 6 1 4 3 5 21 9 12 22 11 17 23 23 188
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 1 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 2 1 3 1 1 3 4 12 24 20 8 13 16 8 22 48 187
400 Typewriting Machines 0 0 0 1 0 0 0 0 0 0 0 2 1 1 1 0 1 1 0 0 1 1 1 3 0 2 2 2 6 5 6 5 7 9 12 16 14 11 7 18 14 11 19 6 186
358 Facsimile and Static Presentation Processing 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 2 3 10 11 13 11 14 5 6 15 16 18 18 35 185
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 4 4 2 9 3 4 1 3 1 5 4 0 3 5 4 0 1 1 6 2 7 1 2 3 1 5 2 3 3 3 5 5 7 6 10 7 9 5 8 5 5 9 6 5 184
198 Conveyors: Power-Driven 5 1 4 3 4 4 7 4 11 4 7 4 6 2 3 3 5 4 2 3 3 3 6 2 7 0 4 4 2 4 7 7 4 3 4 5 2 3 8 2 2 4 7 3 182
083 Cutting 3 5 3 6 7 3 4 4 5 4 6 10 5 10 3 3 1 4 3 4 3 3 3 2 5 4 2 6 7 8 1 4 3 1 0 2 4 3 5 3 3 5 3 7 180
119 Animal Husbandry 3 7 1 3 2 1 1 0 1 3 2 2 3 5 4 1 3 3 4 6 2 1 5 2 1 5 3 3 3 5 4 3 5 9 5 12 8 5 3 14 9 6 6 6 180
451 Abrading 2 2 4 5 0 1 0 2 5 3 2 3 2 3 2 2 0 3 5 0 1 5 10 4 6 6 4 5 6 3 3 1 2 4 2 4 8 9 12 9 5 9 5 10 179
062 Refrigeration 4 3 7 3 5 4 6 4 1 3 4 3 1 4 2 3 3 0 5 1 3 1 3 2 2 3 6 4 4 3 5 5 5 5 11 7 3 5 4 7 4 1 5 13 177
362 Illumination 2 1 4 3 3 2 0 2 2 2 0 2 1 1 2 3 2 0 1 1 4 2 4 6 2 9 8 5 2 8 5 2 6 3 4 6 6 11 6 8 15 7 5 8 176
072 Metal Deforming 1 0 2 2 4 1 1 1 6 2 2 7 7 3 5 7 4 7 1 3 4 5 4 4 6 1 5 6 6 1 5 6 6 0 5 4 1 6 2 3 2 7 1 10 166
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 2 2 0 0 3 1 7 1 2 7 6 1 7 7 4 7 15 21 16 28 25 166
423 Chemistry of Inorganic Compounds 5 10 4 3 6 2 6 3 3 6 1 7 3 5 5 7 1 1 2 1 1 1 2 4 2 0 3 0 1 5 4 1 1 2 2 4 3 4 13 3 11 5 5 8 166
206 Special Receptacle or Package 1 0 2 5 5 4 4 1 3 1 3 4 2 4 1 4 1 2 1 6 3 1 4 4 8 5 8 7 4 4 2 7 5 7 4 8 2 8 3 3 4 1 6 3 165
084 Music 0 1 2 1 0 0 2 3 3 2 2 1 1 0 4 1 1 2 2 1 3 2 9 0 4