Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports

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

CANADA

( 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) 4 6 4 8 0 1 3 10 5 5 9 13 20 19 31 30 17 19 29 21 30 21 30 19 31 30 56 39 59 65 73 58 75 113 139 205 217 199 196 215 210 160 125 170 2789
532 Organic Compounds (includes Classes 532-570) 25 32 36 38 33 47 59 62 44 55 37 57 51 39 53 44 29 34 21 16 16 12 15 20 21 22 26 31 17 25 20 22 29 33 46 51 53 44 38 47 38 36 27 40 1541
052 Static Structures (e.g., Buildings) 15 12 9 15 23 17 19 14 17 17 24 24 24 28 29 30 12 25 24 23 18 20 16 43 40 40 52 48 51 45 39 47 39 60 66 73 63 58 78 52 55 41 37 24 1506
435 Chemistry: Molecular Biology and Microbiology 0 3 2 4 3 5 2 5 0 3 4 3 7 8 6 1 2 1 3 3 6 8 9 6 10 11 26 19 26 22 34 24 32 46 58 98 125 116 132 116 86 73 53 93 1294
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 3 10 9 17 26 16 24 25 22 21 23 18 23 22 23 13 20 13 14 9 12 23 28 18 24 23 41 27 36 34 38 29 48 27 28 35 43 47 58 67 38 57 33 32 1197
370 Multiplex Communications 2 0 0 0 0 0 0 0 2 6 3 2 0 4 6 5 1 6 5 11 6 8 13 15 11 12 9 12 16 16 10 9 14 29 27 31 63 71 88 95 117 151 133 153 1162
210 Liquid Purification or Separation 2 3 8 6 4 15 5 20 11 8 19 20 16 11 20 22 17 19 25 14 17 16 23 10 16 19 35 25 30 43 46 34 29 62 45 46 48 64 57 40 42 33 38 36 1119
428 Stock Material or Miscellaneous Articles 5 4 4 7 5 7 6 16 7 17 9 13 18 10 8 16 7 11 18 9 15 14 22 17 18 22 28 30 28 37 34 37 43 32 47 30 48 45 52 43 29 48 20 29 965
073 Measuring and Testing 5 7 12 7 7 12 11 11 14 14 19 19 18 14 22 17 14 8 19 21 19 17 25 25 15 24 26 29 33 21 18 22 22 25 23 34 28 38 43 35 52 24 33 37 939
280 Land Vehicles 7 7 15 9 12 13 10 8 17 15 11 22 22 18 17 17 7 10 16 22 11 27 13 9 22 20 16 26 18 16 21 34 40 39 16 30 35 42 35 35 37 38 32 40 927
379 Telephonic Communications 4 1 2 4 2 6 5 20 13 23 24 22 20 16 11 20 14 10 14 18 8 15 17 16 15 25 24 15 13 11 12 20 14 31 23 42 51 50 35 33 41 54 31 46 891
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 8 8 10 4 7 12 8 16 19 22 17 8 18 8 12 10 12 18 24 12 15 9 16 12 22 25 28 22 28 21 23 27 18 33 15 34 26 43 34 32 20 24 28 46 854
340 Communications: Electrical 4 2 7 9 7 5 10 9 13 6 11 12 8 11 6 14 6 11 15 7 8 8 11 13 16 13 32 13 22 20 20 13 16 22 28 42 34 34 45 46 21 44 42 54 790
250 Radiant Energy 3 4 7 4 4 9 13 10 7 10 8 8 7 10 10 8 10 7 14 12 5 12 8 18 23 15 19 21 21 21 16 23 32 22 22 25 25 25 33 22 45 48 25 52 743
414 Material or Article Handling 10 12 16 18 9 19 8 10 21 22 17 24 16 24 16 7 5 14 17 13 12 7 13 14 18 19 21 24 26 16 22 20 20 17 16 31 26 33 18 20 8 17 16 11 743
423 Chemistry of Inorganic Compounds 17 9 12 10 25 26 18 12 8 18 12 24 15 22 24 22 9 14 17 15 24 18 22 21 24 9 21 18 25 19 19 21 13 10 14 18 14 18 15 20 17 10 9 14 742
128 Surgery (includes Class 600) 4 1 0 1 0 3 1 8 5 6 3 4 6 4 8 3 6 8 10 7 5 12 14 10 14 10 17 14 19 15 18 27 28 21 34 28 32 41 50 47 63 52 41 37 737
248 Supports (e.g., for holding articles, etc.) 3 6 6 10 10 9 6 9 12 13 10 10 9 11 9 8 5 8 10 6 6 9 8 12 17 19 19 24 44 31 24 15 28 20 20 24 19 31 36 34 31 16 7 18 682
455 Telecommunications 2 0 1 3 2 0 6 6 8 5 1 2 3 1 2 4 3 3 1 4 1 5 4 0 0 3 4 3 5 8 7 15 17 28 16 37 72 69 51 31 45 33 49 97 657
123 Internal-Combustion Engines 1 5 3 5 10 3 7 3 8 3 5 8 10 6 15 5 10 6 6 5 11 16 15 12 20 7 7 12 26 14 18 7 17 26 12 23 28 24 49 45 38 27 37 41 656
029 Metal Working 3 2 7 4 10 7 10 8 18 15 12 14 16 12 13 16 9 7 8 10 7 11 14 15 14 17 11 18 20 22 19 17 17 8 18 18 24 34 23 26 20 23 21 29 647
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 6 5 3 12 8 9 11 13 12 12 9 15 9 8 13 14 5 6 8 11 11 14 12 11 7 9 18 13 21 26 25 11 22 13 13 30 26 31 33 30 23 22 17 19 646
385 Optical Waveguides 0 0 0 0 0 0 0 0 0 0 1 0 2 1 3 2 4 4 7 4 7 7 0 2 17 22 14 16 18 15 13 12 6 15 25 34 27 27 34 55 56 68 62 66 646
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 1 2 6 8 4 8 4 7 7 1 5 2 9 12 17 7 10 8 5 5 13 10 9 15 8 20 6 23 9 18 13 25 16 16 26 24 30 49 33 30 36 37 49 644
324 Electricity: Measuring and Testing 5 4 5 5 6 5 14 15 18 7 14 19 10 13 8 9 5 5 5 9 14 9 16 11 8 15 31 12 12 21 20 15 26 20 14 20 16 24 19 25 27 34 24 27 641
137 Fluid Handling 7 7 10 10 4 6 11 11 11 9 17 11 13 9 10 8 7 11 12 8 9 10 12 16 11 8 20 12 14 10 9 16 13 10 16 21 30 25 21 22 17 32 29 20 595
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 0 1 1 1 0 0 1 2 0 0 1 0 1 0 0 2 3 1 1 6 14 11 6 16 17 21 16 31 27 49 32 51 35 26 25 31 26 21 37 24 13 14 564
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 5 4 4 4 7 9 14 17 18 14 13 8 12 14 9 9 8 5 13 9 12 16 16 8 18 14 15 15 23 9 12 16 22 10 15 10 23 18 17 16 11 13 13 20 558
219 Electric Heating 3 7 8 3 5 7 10 6 21 9 18 11 5 9 8 7 10 8 5 7 13 9 12 9 11 16 22 8 16 18 11 18 12 14 10 14 21 30 24 27 20 15 17 19 553
439 Electrical Connectors 1 3 9 4 4 5 2 10 8 14 12 7 5 8 9 9 12 3 9 1 8 4 12 8 10 20 18 26 16 22 15 16 15 11 12 18 17 27 26 16 15 21 21 25 534
144 Woodworking 7 4 7 14 12 4 12 14 20 12 22 11 18 17 9 11 10 9 8 8 13 14 7 7 9 19 12 18 6 17 2 8 12 12 15 17 16 18 7 16 13 15 11 16 529
015 Brushing, Scrubbing, and General Cleaning 7 8 8 12 3 14 7 8 13 16 18 17 9 7 10 9 9 9 3 8 7 11 5 5 13 10 14 14 17 20 11 17 20 9 20 15 15 20 20 15 23 15 10 2 523
206 Special Receptacle or Package 11 7 10 5 10 8 10 4 3 13 7 5 9 7 11 9 9 11 7 5 7 8 16 7 11 8 23 17 16 13 22 20 12 12 14 21 23 26 12 14 14 15 14 10 516
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 0 0 2 2 0 2 0 2 4 4 1 1 0 0 2 0 0 1 1 1 1 3 3 1 4 6 5 2 6 7 5 11 33 36 42 64 56 56 44 48 59 515
426 Food or Edible Material: Processes, Compositions, and Products 4 5 7 7 7 6 9 9 9 10 14 12 3 9 11 11 8 10 11 13 12 6 15 12 9 17 11 19 12 14 13 11 15 8 11 13 17 17 15 13 24 15 8 9 491
162 Paper Making and Fiber Liberation 8 5 11 9 14 5 11 8 27 16 22 13 13 10 15 9 7 8 9 7 11 12 11 4 8 7 11 11 5 18 11 16 6 17 17 17 6 14 16 11 7 5 3 11 482
222 Dispensing (apparatus and process) 5 7 14 12 6 10 6 5 13 8 7 13 12 11 8 6 6 3 13 2 5 7 7 8 13 3 8 14 20 26 13 22 12 14 17 17 22 19 11 17 12 9 6 12 481
356 Optics: Measuring and Testing 3 2 1 3 2 0 3 4 5 5 4 1 7 4 4 4 4 8 6 4 5 7 8 6 15 5 5 5 11 14 12 9 21 17 26 23 28 23 16 21 34 33 19 27 464
375 Pulse or Digital Communications 0 0 1 0 1 0 2 3 1 0 1 1 2 2 4 2 0 1 1 1 3 2 11 6 8 7 9 7 5 12 13 9 13 13 17 33 23 22 36 25 29 42 33 62 463
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 2 10 6 15 9 7 12 17 8 13 16 10 11 10 9 12 13 10 8 7 4 8 11 9 6 9 12 13 13 9 17 20 19 10 9 10 17 7 13 16 10 6 3 5 461
359 Optics: Systems and Elements 1 1 2 2 1 3 2 1 7 1 10 6 3 11 5 10 4 4 1 4 2 3 5 4 5 4 5 8 10 12 3 7 10 23 15 22 19 25 27 28 31 37 32 30 446
361 Electricity: Electrical Systems and Devices 0 5 6 8 7 4 4 9 11 9 11 12 6 5 14 6 5 4 4 6 8 7 11 8 11 7 10 5 6 11 6 9 10 16 11 17 17 17 12 32 24 22 11 22 446
198 Conveyors: Power-Driven 3 5 12 11 13 8 9 9 10 9 9 11 15 9 5 6 11 5 4 8 1 4 9 3 7 9 14 11 8 7 12 7 11 11 9 12 15 9 23 22 29 18 7 14 444
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 3 1 2 2 9 5 11 13 9 11 12 3 16 10 10 16 9 10 10 8 13 9 10 12 14 13 15 8 8 16 17 12 12 7 19 13 12 8 14 11 8 10 7 4 442
473 Games Using Tangible Projectile 4 3 4 1 3 1 5 7 7 8 6 7 6 13 8 5 7 2 4 4 1 4 5 10 9 10 14 8 11 9 16 17 21 22 24 23 24 22 22 14 9 10 11 20 441
002 Apparel 3 1 5 3 5 2 1 2 10 5 5 4 3 4 8 6 1 6 8 8 5 9 8 5 16 4 8 10 24 10 6 12 12 20 20 15 26 19 21 17 16 23 16 16 428
114 Ships 4 6 7 7 9 5 4 9 9 9 7 12 10 7 6 5 6 5 4 7 5 11 7 14 14 10 18 12 16 5 5 16 12 10 6 15 14 16 15 21 15 8 12 10 425
204 Chemistry: Electrical and Wave Energy 1 1 2 5 4 5 13 4 6 4 7 8 8 14 9 14 1 13 7 3 8 7 16 13 9 9 14 13 5 9 13 18 10 9 10 4 16 20 22 22 22 12 9 4 423
297 Chairs and Seats 2 4 5 9 8 5 9 3 5 5 8 5 2 4 7 4 0 4 2 1 3 5 5 7 8 6 7 7 6 11 6 19 7 15 14 10 17 27 21 22 22 24 23 31 415
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 0 0 0 3 1 1 1 3 3 1 1 3 3 5 5 2 8 3 1 1 3 5 4 3 6 4 6 9 12 12 18 16 22 11 15 15 23 22 24 28 35 43 33 415
053 Package Making 4 3 0 8 10 6 10 11 9 4 14 9 15 8 12 11 8 6 8 6 0 1 7 4 8 5 13 15 10 11 10 5 14 12 10 15 7 20 22 11 20 12 10 8 412
220 Receptacles 3 3 5 3 9 2 5 2 7 6 6 8 6 7 2 9 5 8 7 3 7 7 4 7 12 8 11 12 14 21 23 14 15 14 14 10 24 16 21 8 11 12 10 6 407
362 Illumination 3 3 2 4 2 2 3 6 9 10 9 11 5 2 5 9 4 6 4 4 3 5 8 4 5 5 10 11 16 8 8 13 11 15 18 15 15 20 15 9 16 21 24 24 402
083 Cutting 4 8 7 12 7 4 9 12 9 11 15 14 10 10 9 6 5 8 5 6 8 8 5 12 11 6 7 10 9 11 11 6 7 7 6 11 14 14 14 5 8 13 7 16 397
405 Hydraulic and Earth Engineering 2 1 0 6 4 6 5 5 4 6 5 7 4 6 10 9 6 6 3 6 6 7 6 10 14 6 9 14 14 9 14 12 10 11 16 22 19 13 11 23 16 8 13 9 393
062 Refrigeration 1 2 4 7 3 5 4 2 5 6 2 7 2 3 9 3 3 2 8 9 3 7 11 10 14 6 10 11 14 12 15 8 12 15 19 20 13 12 19 18 22 5 13 12 388
180 Motor Vehicles 2 3 9 10 8 6 4 5 11 14 17 10 9 10 3 4 6 9 5 7 7 3 1 6 7 8 8 7 12 3 11 6 3 7 5 6 10 10 22 12 26 11 24 19 386
126 Stoves and Furnaces 3 3 1 3 4 1 2 5 1 3 3 4 1 2 8 18 10 15 11 13 11 17 15 13 11 11 12 15 7 10 9 16 14 9 11 9 16 15 10 6 12 8 9 6 383
004 Baths, Closets, Sinks, and Spittoons 1 2 5 1 6 1 5 9 9 5 4 4 5 4 5 9 5 5 5 4 4 7 9 10 9 11 10 8 16 11 15 9 18 9 11 12 20 23 13 17 15 18 6 6 381
172 Earth Working 2 7 21 5 7 4 14 16 5 7 6 4 5 2 6 1 6 7 5 12 3 2 8 6 15 5 15 10 6 4 8 7 5 7 6 17 12 16 35 14 8 12 7 7 377
174 Electricity: Conductors and Insulators 2 5 3 10 7 4 9 3 8 8 8 9 10 6 6 2 2 5 7 11 8 6 11 7 14 5 12 12 18 4 9 10 8 14 7 12 9 9 9 17 16 16 11 8 377
296 Land Vehicles: Bodies and Tops 3 2 2 1 6 4 3 3 3 7 11 10 5 3 4 6 5 4 5 3 4 3 2 6 8 1 11 7 8 12 11 7 6 7 11 12 19 18 23 17 26 28 18 13 368
060 Power Plants 3 3 13 4 2 5 3 9 6 5 5 6 7 14 5 4 2 8 2 5 3 7 8 5 14 2 6 4 8 8 10 9 7 5 7 6 6 17 27 6 20 22 14 29 361
056 Harvesters 3 3 4 3 4 12 9 7 10 12 13 3 5 3 5 4 1 9 9 8 6 13 10 2 13 9 10 15 15 12 11 7 13 5 6 10 17 11 9 11 12 7 8 1 360
043 Fishing, Trapping, and Vermin Destroying 4 3 4 5 5 4 9 6 5 9 6 10 8 14 9 12 10 7 8 5 4 13 8 14 12 10 17 20 9 11 5 12 6 10 9 3 11 8 4 4 9 10 2 4 358
273 Amusement Devices: Games 3 4 4 1 3 2 5 2 4 4 1 10 11 7 7 7 2 13 7 8 11 5 9 5 7 6 12 14 12 11 9 8 18 7 22 12 9 6 12 15 15 9 9 10 358
072 Metal Deforming 5 5 2 6 9 11 6 6 8 7 13 10 11 6 8 7 6 5 6 4 7 4 8 5 2 7 11 9 10 6 6 5 8 7 8 12 15 18 8 16 11 9 9 14 356
208 Mineral Oils: Processes and Products 4 6 4 3 7 4 8 5 16 4 8 12 10 7 13 10 12 10 13 3 14 24 16 6 11 7 9 9 8 9 8 10 2 5 7 10 9 7 5 8 3 3 1 5 355
119 Animal Husbandry 3 0 2 1 1 3 2 1 4 3 3 3 5 3 8 2 3 2 4 4 5 1 3 3 8 12 2 9 22 15 7 17 10 12 10 16 14 15 17 28 19 16 15 13 346
604 Surgery (Medicators and Receptors) 0 1 1 1 0 1 3 1 1 0 2 6 3 6 3 3 0 6 3 1 2 2 3 7 7 11 12 10 15 18 19 27 20 8 20 14 13 11 18 9 31 8 8 5 340
427 Coating Processes 4 2 1 1 4 3 3 4 7 5 2 4 4 5 6 9 7 4 10 4 4 5 13 6 9 9 6 3 13 12 8 3 10 8 14 15 10 15 16 24 12 19 10 5 338
239 Fluid Sprinkling, Spraying, and Diffusing 2 10 3 6 2 6 6 10 6 4 5 6 9 8 4 1 2 7 5 3 9 4 3 9 7 8 7 6 12 8 9 13 16 6 12 12 14 17 12 6 8 11 10 12 336
241 Solid Material Comminution or Disintegration 2 7 5 5 12 10 5 5 6 15 5 5 7 5 11 9 5 5 6 4 6 4 6 5 14 12 8 6 6 3 8 5 8 13 11 12 9 14 5 10 9 8 7 12 335
005 Beds 4 0 5 4 4 0 4 6 9 10 10 4 14 7 1 4 1 4 2 2 1 2 2 3 6 7 12 17 13 18 15 12 7 8 12 15 7 13 15 7 5 8 20 13 333
209 Classifying, Separating, and Assorting Solids 9 6 7 14 9 8 14 13 6 11 6 6 9 6 4 9 5 9 15 6 7 3 7 2 2 12 10 7 5 7 8 7 9 5 4 9 6 10 8 2 3 6 11 10 332
074 Machine Element or Mechanism 4 5 5 3 7 9 8 9 8 7 8 9 9 3 6 4 3 5 3 3 2 2 5 9 5 5 10 4 5 10 12 3 10 7 13 12 14 9 18 9 13 6 9 16 326
040 Card, Picture, or Sign Exhibiting 0 2 4 7 6 4 4 2 6 6 4 8 5 11 5 2 4 8 4 4 7 8 13 7 6 8 10 8 9 5 9 12 10 6 13 13 6 19 15 11 13 9 2 6 321
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 0 0 1 0 1 1 3 1 0 0 4 8 1 1 4 6 6 5 2 7 5 1 1 1 4 5 6 4 3 12 12 8 7 11 19 22 18 24 21 15 21 9 28