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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

OHIO

( 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) 54 72 88 115 146 121 149 130 128 179 144 164 209 213 173 202 149 167 181 147 168 170 174 141 169 157 152 132 153 188 177 176 123 134 118 156 172 164 212 200 161 117 104 132 6681
532 Organic Compounds (includes Classes 532-570) 107 83 92 128 119 95 107 110 97 130 114 119 126 125 106 110 66 82 109 95 78 89 78 53 61 73 63 56 63 49 49 54 42 54 69 50 50 40 44 53 37 31 22 39 3417
428 Stock Material or Miscellaneous Articles 35 32 43 55 56 49 87 62 76 64 58 53 58 78 51 62 43 42 59 73 59 59 80 65 41 51 69 56 65 82 64 75 60 88 87 109 126 112 103 94 128 109 81 62 3061
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 15 15 9 18 11 5 10 20 26 30 22 19 39 42 39 45 31 40 36 27 34 25 31 23 38 47 83 78 95 97 85 69 101 123 193 148 188 153 158 146 104 75 57 61 2711
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 30 34 38 54 34 48 53 56 68 83 59 59 55 52 53 54 38 48 59 38 36 53 44 46 37 48 47 43 21 33 43 28 38 46 42 54 60 35 37 27 55 52 32 30 2000
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 39 40 44 58 38 44 36 42 27 37 19 43 33 38 27 66 28 32 42 36 44 43 34 26 26 27 36 27 37 53 40 31 45 35 32 48 37 48 37 46 27 53 29 14 1644
219 Electric Heating 33 44 46 51 60 55 56 50 59 50 73 48 25 24 27 22 22 18 22 21 12 30 25 19 22 25 33 24 36 29 28 29 22 17 25 38 48 49 58 46 60 47 54 60 1642
029 Metal Working 33 38 64 43 59 48 39 41 64 55 65 66 33 27 43 29 25 20 28 20 21 28 30 43 28 38 29 25 29 34 36 23 28 26 28 41 34 36 45 41 34 32 33 38 1620
065 Glass Manufacturing 31 52 47 96 59 38 67 63 80 54 57 54 43 44 47 25 25 30 48 73 31 32 39 30 26 17 22 17 14 22 8 8 10 15 36 36 39 21 28 18 14 15 6 6 1543
137 Fluid Handling 55 38 75 53 72 56 69 57 66 39 73 50 36 32 26 28 28 35 32 28 16 25 27 31 38 29 33 16 33 29 25 19 27 20 21 21 41 32 21 12 15 22 22 19 1542
060 Power Plants 29 41 46 41 38 36 22 16 27 23 32 39 37 38 33 45 26 33 21 19 21 26 17 19 16 20 30 31 31 51 72 78 28 23 35 32 19 23 35 70 63 48 49 43 1522
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 4 1 15 13 29 8 8 19 38 26 15 24 25 29 32 32 22 26 30 13 18 23 21 10 41 25 40 35 27 26 36 39 55 68 61 79 69 64 66 67 66 68 44 42 1499
073 Measuring and Testing 33 29 47 31 23 36 34 44 40 35 34 28 30 28 29 18 13 33 24 22 23 40 24 29 35 28 38 24 27 27 26 33 36 30 21 33 30 35 39 58 68 45 47 43 1450
052 Static Structures (e.g., Buildings) 33 34 37 52 52 48 38 29 30 24 24 33 24 28 41 27 19 34 26 24 20 25 40 36 35 30 40 28 28 23 24 30 30 21 30 38 39 47 50 44 29 42 33 29 1448
427 Coating Processes 19 22 31 18 27 37 36 36 40 38 31 47 23 26 27 28 20 16 23 27 17 31 30 20 28 17 21 21 39 23 23 42 33 38 30 50 33 31 33 40 43 35 29 23 1302
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 29 34 36 33 54 33 42 48 61 48 51 37 44 36 31 30 26 26 23 17 20 18 22 16 22 21 19 26 32 26 24 16 14 17 21 23 15 21 22 18 22 14 10 24 1222
604 Surgery (Medicators and Receptors) 6 7 2 6 6 6 9 4 10 12 11 23 10 13 10 5 5 7 5 14 10 8 10 20 42 15 26 28 37 42 42 58 57 82 87 85 85 62 58 57 55 38 19 22 1216
426 Food or Edible Material: Processes, Compositions, and Products 14 25 21 26 18 23 18 28 32 32 27 27 28 30 15 20 16 28 11 20 21 22 19 17 26 19 35 29 30 31 31 28 35 25 26 26 53 51 53 35 33 48 13 16 1181
072 Metal Deforming 54 51 66 65 51 46 56 25 59 34 26 54 28 24 21 21 14 18 11 19 18 21 26 25 20 18 18 18 16 10 12 6 8 22 19 28 20 14 9 11 14 19 8 23 1146
015 Brushing, Scrubbing, and General Cleaning 58 35 30 37 38 26 40 32 35 36 20 25 13 10 12 16 15 22 2 18 13 11 23 12 14 16 18 12 20 24 22 28 23 29 21 30 47 37 24 32 36 31 27 39 1109
222 Dispensing (apparatus and process) 29 36 48 43 31 25 21 21 31 19 21 35 24 28 22 15 16 17 22 14 8 11 21 18 16 16 23 28 24 20 31 31 21 20 17 27 40 31 43 28 16 21 16 25 1070
206 Special Receptacle or Package 26 33 25 42 40 36 25 26 27 10 22 22 31 15 16 19 11 14 20 17 14 17 22 20 25 23 32 37 32 22 21 19 27 28 20 28 27 23 23 22 26 24 21 15 1045
280 Land Vehicles 27 17 20 23 26 18 18 21 25 27 35 28 26 13 16 12 11 5 13 8 14 7 14 17 12 16 16 8 16 16 21 32 37 27 30 46 27 46 37 44 38 43 42 25 1020
128 Surgery (includes Class 600) 7 5 7 11 9 11 7 17 9 8 16 16 11 13 14 6 7 10 13 18 10 9 14 15 18 24 21 20 31 19 19 27 43 26 28 55 55 54 47 45 62 45 23 44 969
324 Electricity: Measuring and Testing 7 9 11 33 39 19 30 35 27 15 23 21 15 11 17 15 3 7 6 9 5 19 11 15 29 27 34 21 20 27 17 33 23 31 28 24 21 21 35 52 29 30 28 27 959
062 Refrigeration 43 28 33 53 37 30 25 19 34 29 28 20 28 26 14 14 10 19 19 14 5 17 12 10 11 10 15 17 28 14 29 34 21 29 16 18 12 19 18 26 26 16 3 18 947
414 Material or Article Handling 25 32 47 42 28 46 47 37 34 33 41 43 40 34 32 23 11 20 17 14 19 15 17 8 11 14 15 14 11 16 10 11 12 12 10 4 9 11 17 16 8 5 6 8 925
210 Liquid Purification or Separation 10 7 16 22 36 19 27 20 24 17 14 24 18 20 24 18 8 15 23 19 13 16 15 16 21 21 29 26 25 26 20 22 22 22 19 27 26 27 26 24 17 32 24 16 913
152 Resilient Tires and Wheels 20 18 15 27 15 28 13 20 29 15 15 13 12 31 22 23 15 28 27 21 14 15 10 10 21 16 15 21 21 9 18 31 18 15 15 26 17 24 24 52 34 21 24 29 907
239 Fluid Sprinkling, Spraying, and Diffusing 23 14 28 31 25 34 23 13 28 26 23 26 18 22 13 9 16 15 15 16 10 10 15 31 20 14 17 26 25 20 21 24 22 20 15 25 23 19 14 23 17 19 16 16 880
250 Radiant Energy 16 14 13 25 19 26 27 33 35 19 20 22 24 15 21 14 8 7 14 8 16 10 3 15 22 16 26 32 21 29 23 18 13 21 23 24 23 17 21 20 17 13 13 24 840
220 Receptacles 21 18 24 24 37 44 30 17 28 19 30 18 27 25 12 24 12 12 12 14 16 18 12 17 13 10 15 12 17 25 17 23 16 19 14 24 19 14 15 13 6 6 11 15 815
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 23 7 23 30 24 17 20 20 22 19 9 11 29 25 20 15 14 12 23 17 20 27 16 17 20 17 12 21 19 14 16 10 22 15 15 15 15 23 32 26 25 16 18 4 815
248 Supports (e.g., for holding articles, etc.) 16 29 37 35 24 25 18 22 25 18 18 16 13 11 15 16 10 10 10 6 12 15 13 9 14 12 18 18 23 23 15 20 13 15 20 28 27 24 19 21 22 12 12 13 792
439 Electrical Connectors 6 10 12 12 10 7 12 11 19 17 12 18 9 20 20 18 16 16 7 19 12 14 19 21 26 26 25 32 20 18 23 9 10 17 21 21 32 28 27 36 18 21 17 20 784
362 Illumination 16 23 19 24 28 17 15 5 17 12 19 15 10 12 17 19 18 12 17 20 7 15 19 8 17 14 12 15 11 17 16 12 17 10 21 21 19 22 30 29 25 32 26 28 778
188 Brakes 16 17 39 10 23 22 14 17 33 15 20 19 20 16 22 10 9 13 12 7 10 25 16 16 14 16 14 10 21 14 18 15 5 20 13 19 15 9 26 47 37 13 13 10 770
198 Conveyors: Power-Driven 22 28 40 39 23 18 16 27 44 23 31 23 25 21 7 17 4 18 11 13 10 18 6 11 15 14 15 10 13 14 13 10 12 15 13 14 13 9 18 18 9 18 12 5 755
074 Machine Element or Mechanism 27 30 44 48 29 38 23 30 28 21 21 29 22 17 21 27 13 12 17 11 9 10 19 9 16 8 13 11 12 12 12 7 16 8 5 12 13 16 10 5 2 3 7 7 750
340 Communications: Electrical 10 11 14 17 16 10 15 16 22 17 22 16 21 16 14 19 6 14 15 13 6 9 16 15 16 13 11 14 10 10 16 23 10 22 17 26 28 31 19 18 19 22 30 39 744
417 Pumps 27 26 39 25 18 18 18 12 22 15 25 25 15 11 13 11 14 11 7 14 18 15 22 9 7 10 12 16 18 15 20 19 5 14 16 17 16 21 24 20 15 12 4 6 717
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 8 6 11 29 22 29 15 24 13 17 17 16 13 11 14 26 14 11 10 12 7 14 11 15 14 25 14 17 15 16 22 23 21 23 21 29 23 20 20 14 18 9 4 2 715
313 Electric Lamp and Discharge Devices 6 16 20 38 22 24 24 21 20 9 11 32 36 27 29 21 10 13 8 14 12 13 13 13 15 9 10 17 16 6 11 7 16 12 13 18 13 13 10 14 13 18 8 8 699
164 Metal Founding 19 15 33 31 24 16 32 25 31 24 18 23 12 11 15 10 15 13 14 12 4 6 13 16 17 16 17 20 27 10 13 9 6 9 12 8 11 3 14 17 19 11 9 13 693
606 Surgery (instruments) 0 1 2 1 1 2 5 0 4 1 5 5 9 4 4 3 4 3 6 6 1 5 8 9 13 9 7 6 9 14 15 42 24 35 46 52 62 48 43 42 55 34 23 20 688
204 Chemistry: Electrical and Wave Energy 8 6 5 15 19 17 15 17 20 26 25 24 28 20 31 33 11 17 16 17 17 14 15 16 16 17 17 12 15 19 12 21 19 8 13 13 13 8 10 12 7 4 5 6 679
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 12 7 12 23 21 21 15 9 15 30 27 18 20 20 20 21 18 23 18 17 23 14 17 9 19 10 13 14 6 11 16 11 16 6 13 8 12 18 16 21 16 10 7 6 679
415 Rotary Kinetic Fluid Motors or Pumps 13 9 11 14 18 21 16 9 13 10 8 9 7 3 4 9 8 14 9 11 2 6 9 6 8 11 11 12 13 37 50 26 12 21 12 12 6 18 21 49 32 28 29 30 677
310 Electrical Generator or Motor Structure 25 15 37 36 31 40 41 24 29 14 13 15 15 7 10 9 9 6 7 12 11 4 6 13 15 8 7 8 15 14 9 6 6 8 13 19 9 18 15 10 14 20 8 13 664
423 Chemistry of Inorganic Compounds 29 21 17 12 23 24 29 21 21 30 22 21 14 29 32 15 9 16 16 18 17 14 15 14 13 8 14 9 5 16 12 6 5 13 6 8 9 9 9 7 9 9 9 9 664
451 Abrading 34 42 28 25 20 24 23 22 29 25 17 25 20 14 21 18 5 8 6 5 5 9 7 7 16 10 8 8 9 12 14 10 5 12 14 7 11 11 12 6 17 14 11 15 661
285 Pipe Joints or Couplings 17 15 23 27 22 17 23 19 12 17 15 14 25 17 10 14 12 12 14 11 7 13 10 13 18 9 13 9 12 14 9 16 14 14 12 18 13 18 16 9 19 14 14 17 657
252 Compositions 11 7 14 9 9 13 31 32 21 25 15 18 18 21 11 10 7 9 15 5 11 8 19 10 14 15 16 19 19 16 12 8 15 14 11 21 21 14 13 12 20 20 2 20 651
148 Metal Treatment 14 16 12 17 15 24 16 21 15 13 18 18 13 14 14 14 14 10 11 7 16 6 11 11 11 8 17 9 9 21 16 20 19 19 15 12 14 10 23 13 20 12 16 13 637
053 Package Making 15 10 23 27 20 26 27 24 21 15 15 18 16 20 15 6 10 15 12 5 5 7 21 13 8 9 14 17 14 9 6 9 11 19 15 18 13 14 11 10 13 8 13 7 624
083 Cutting 30 24 32 29 21 19 20 28 23 25 28 29 21 7 10 15 5 11 21 9 10 11 11 11 11 6 11 5 12 6 10 3 5 4 6 12 9 14 11 6 9 11 6 10 617
473 Games Using Tangible Projectile 30 16 20 22 10 13 15 18 14 14 13 12 18 16 10 12 11 6 12 7 4 4 13 8 8 4 9 13 15 14 16 18 23 13 18 16 11 12 11 16 5 10 9 14 573
106 Compositions: Coating or Plastic 17 15 17 12 11 12 9 9 18 17 19 27 15 21 21 14 18 12 18 9 8 7 12 7 13 15 8 7 12 10 10 13 10 10 9 13 8 6 15 15 14 15 8 9 565
242 Winding, Tensioning, or Guiding 35 11 25 21 20 17 24 24 12 20 16 28 19 14 14 16 8 7 12 7 4 9 9 6 7 5 12 11 2 2 10 14 7 8 14 19 11 14 12 9 8 9 1 10 563
101 Printing 23 20 19 30 19 23 26 19 41 23 30 25 29 22 19 11 8 9 12 9 9 11 13 11 3 5 3 3 5 3 2 3 8 4 4 4 13 8 4 4 8 3 2 6 556
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 3 6 9 7 7 5 9 17 12 8 5 8 10 19 15 26 17 17 27 22 15 22 23 11 18 14 21 8 13 17 11 8 12 6 19 10 11 7 18 10 6 7 5 12 553
318 Electricity: Motive Power Systems 19 6 21 28 18 18 22 15 29 24 20 17 9 5 15 14 4 9 14 13 8 9 11 11 11 6 14 12 10 5 12 6 8 11 11 7 20 19 12 3 5 7 2 12 552
192 Clutches and Power-Stop Control 11 11 34 23 11 12 15 16 23 7 32 12 25 8 9 12 2 10 27 10 3 9 10 12 16 10 26 25 21 15 9 5 4 4 9 9 7 9 8 6 11 2 5 4 549
416 Fluid Reaction Surfaces (i.e., Impellers) 9 9 13 9 6 12 7 11 13 11 8 7 10 8 11 5 1 7 9 4 5 6 6 4 7 9 8 9 9 25 29 26 8 17 16 21 13 17 33 41 22 11 11 13 536
435 Chemistry: Molecular Biology and Microbiology 1 2 0 4 1 1 2 3 1 4 3 7 4 10 3 1 4 9 3 4 7 7 3 4 13 6 8 7 10 10 9 19 15 20 32 40 45 21 45 49 33 19 23 24 536
361 Electricity: Electrical Systems and Devices 12 17 24 18 34 17 16 19 19 17 14 12 15 9 7 4 9 4 6 7 10 6 10 8 12 13 11 21 10 11 5 5 7 12 9 18 9 6 10 16 7 11 6 11 524
215 Bottles and Jars 8 11 11 12 19 10 9 15 7 10 12 16 11 12 7 14 3 7 6 11 19 8 22 10 18 26 20 6 18 14 11 6 10 8 10 13 16 11 8 5 14 5 10 12 511
126 Stoves and Furnaces 16 17 13 23 17 17 13 18 9 15 20 13 16 13 17 21 7 22 38 18 11 14 9 9 10 7 13 11 6 11 4 3 7 1 9 6 7 8 6 2 1 3 2 0 503
384 Bearings 18 6 11 15 16 16 23 16 26 21 22 22 15 12 13 9 5 5 1 10 9 10 13 11 11 9 7 8 11 17 8 3 9 15 1 6 7 4 12 7 15 9 3 5 492
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 17 18 9 25 22 13 20 17 24 26 27 15 18 16 14 10 4 3 5 3 2 5 12 12 7 13 18 23 11 7 10 2 0 6 4 3 3 7 4 8 5 6 4 4 482
033 Geometrical Instruments 16 10 24 22 13 16 13 11 6 8 12 17 9 4 3 9 10 13 8 8 10 5 10 18 12 9 10 16 9 11 6 6 15 10 5 6 5 8 10 8 14 12 19 12 478
200 Electricity: Circuit Makers and Breakers 12 13 36 35 24 17 24 13 31 20 27 17 16 10 14 18 7 9 12 9 6 5 7 3 3 4 9 5 3 0 8 3 8 6 6 7 2 3 6 6 3 4 4 0 475
118 Coating Apparatus 8 9 13 14 14 16 19 10 13 27 14 13 14 12 17 9 4 6 8 6 9 3 13 5 12 6 9 5 10 11 10 12 6 9 4 11 6 10 13 13 15 14 5 11 468
174 Electricity: Conductors and Insulators 18 15 17 24 16 10 16 4 8 13 18 9 8 12 6 3 3 7 10 6 5 10 8 12 9 8 9 8 9 9 5 12 11 9 4 10 11 11 15 19 11 9 16 15 468
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 9 12 13 9 8 2 10 8 17 11 16 16 8 10 16 8 5 3 4 4 0 3 1 7 8 8 5 4 3 4 13 6 8 5 6 15 8 20 22 12 24 24 17 53 465
297 Chairs and Seats 13 6 10 14 7 15 12 9 17 4 10 8 4 7 5 5 3 9 7 2 3 3 5 11 7 8 12 11 7 6 7 7 12 22 16 12 23 20 10 21 15 25 21 12 463
165 Heat Exchange 11 18 14 31 12 18 16 14 19 18 20 23 9 9 14 11 11 5 7 8 8 4 8 12 7 8 9 7 9 3 10 15 7 11 4 5 2 7 4 4 6 9 4 8 459
356 Optics: Measuring and Testing 2 2 3 7 7 3 6 10 13 14 12 11 15 9 12 12 7 11 7 8 6 4 8 9 14 10 4 13 13 8 13 11 15 15 7 11 19 24 9 10 18 12 13