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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 1998 - 2002 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

OKLAHOMA

( 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 1998 1999 2000 2001 2002 Total
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 35 39 41 86 35 236
360 Dynamic Magnetic Information Storage or Retrieval 12 16 42 33 40 143
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 13 20 37 15 21 106
585 Chemistry of Hydrocarbon Compounds 16 19 26 13 12 86
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 16 10 12 27 15 80
242 Winding, Tensioning, or Guiding 13 14 13 10 7 57
435 Chemistry: Molecular Biology and Microbiology 18 8 7 16 6 55
137 Fluid Handling 9 8 8 15 14 54
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 6 12 12 15 9 54
208 Mineral Oils: Processes and Products 9 9 15 8 11 52
175 Boring or Penetrating the Earth 5 8 4 10 7 34
106 Compositions: Coating or Plastic 8 8 3 5 9 33
702 DP: Measuring, Calibrating, or Testing (Data Processing) 5 5 5 10 8 33
210 Liquid Purification or Separation 9 5 8 4 6 32
073 Measuring and Testing 5 6 6 7 7 31
507 Earth Boring, Well Treating, and Oil Field Chemistry 8 8 5 7 3 31
532 Organic Compounds (includes Classes 532-570) 7 6 9 7 2 31
280 Land Vehicles 7 4 5 5 7 28
052 Static Structures (e.g., Buildings) 8 4 7 5 3 27
340 Communications: Electrical 5 6 5 7 4 27
423 Chemistry of Inorganic Compounds 4 8 1 4 9 26
043 Fishing, Trapping, and Vermin Destroying 2 9 3 5 5 24
310 Electrical Generator or Motor Structure 3 3 6 9 3 24
128 Surgery (includes Class 600) 5 2 9 3 4 23
433 Dentistry 7 5 3 6 1 22
029 Metal Working 2 4 6 5 4 21
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 9 7 1 1 3 21
417 Pumps 3 2 7 5 4 21
440 Marine Propulsion 2 2 4 2 9 19
604 Surgery (Medicators and Receptors) 6 4 5 3 1 19
606 Surgery (instruments) 6 7 2 2 2 19
362 Illumination 3 4 4 4 2 17
414 Material or Article Handling 3 4 4 2 4 17
725 Interactive Video Distribution Systems 2 2 3 8 2 17
296 Land Vehicles: Bodies and Tops 4 1 4 7 0 16
473 Games Using Tangible Projectile 3 2 4 5 2 16
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 3 1 6 3 2 15
428 Stock Material or Miscellaneous Articles 5 4 1 2 3 15
451 Abrading 3 5 3 2 2 15
119 Animal Husbandry 1 4 2 2 5 14
206 Special Receptacle or Package 3 6 5 0 0 14
251 Valves and Valve Actuation 3 6 2 3 0 14
431 Combustion 3 3 2 2 4 14
072 Metal Deforming 2 2 3 3 3 13
165 Heat Exchange 5 1 2 3 2 13
174 Electricity: Conductors and Insulators 4 3 3 1 2 13
219 Electric Heating 1 6 3 1 2 13
248 Supports (e.g., for holding articles, etc.) 1 3 3 3 3 13
002 Apparel 2 3 4 1 2 12
209 Classifying, Separating, and Assorting Solids 0 4 3 2 3 12
285 Pipe Joints or Couplings 3 3 3 2 1 12
123 Internal-Combustion Engines 2 3 1 3 2 11
138 Pipes and Tubular Conduits 3 4 2 2 0 11
222 Dispensing (apparatus and process) 2 3 1 4 1 11
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 6 0 3 1 1 11
602 Surgery: Splint, Brace, or Bandage 4 2 2 1 2 11
033 Geometrical Instruments 0 0 3 4 3 10
040 Card, Picture, or Sign Exhibiting 1 1 4 1 3 10
062 Refrigeration 1 2 3 3 1 10
114 Ships 2 4 2 2 0 10
134 Cleaning and Liquid Contact with Solids 1 3 3 2 1 10
224 Package and Article Carriers 3 2 4 0 1 10
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 1 0 5 3 10
324 Electricity: Measuring and Testing 3 1 0 2 4 10
439 Electrical Connectors 1 2 2 2 3 10
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 3 2 2 0 3 10
015 Brushing, Scrubbing, and General Cleaning 0 2 4 2 1 9
037 Excavating 3 2 2 1 1 9
060 Power Plants 3 1 4 0 1 9
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1 4 1 2 1 9
366 Agitating (e.g., of articles and materials) 0 5 1 1 2 9
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 3 2 1 1 9
426 Food or Edible Material: Processes, Compositions, and Products 2 2 4 0 1 9
436 Chemistry: Analytical and Immunological Testing 3 3 0 1 2 9
707 DP: Database and File Management or Data Structures (Data Processing) 3 0 0 2 4 9
004 Baths, Closets, Sinks, and Spittoons 1 0 3 1 3 8
099 Foods and Beverages: Apparatus 0 3 1 3 1 8
261 Gas and Liquid Contact Apparatus 0 3 4 1 0 8
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 2 1 2 2 1 8
351 Optics: Eye Examining, Vision Testing and Correcting 2 2 0 2 2 8
418 Rotary Expansible Chamber Devices 2 0 3 1 2 8
463 Amusement Devices: Games 2 1 2 3 0 8
607 Surgery: Light, Thermal, and Electrical Application 2 0 2 3 1 8
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 1 3 2 2 8
024 Buckles, Buttons, Clasps, Etc. 2 1 0 3 1 7
056 Harvesters 1 2 2 0 2 7
081 Tools 1 0 1 3 2 7
095 Gas Separation: Processes 0 1 2 4 0 7
239 Fluid Sprinkling, Spraying, and Diffusing 3 1 2 0 1 7
250 Radiant Energy 1 3 0 1 2 7
256 Fences 1 2 0 2 2 7
273 Amusement Devices: Games 1 2 1 3 0 7
359 Optics: Systems (Including Communication) and Elements 2 2 1 1 1 7
405 Hydraulic and Earth Engineering 1 1 0 3 2 7
415 Rotary Kinetic Fluid Motors or Pumps 1 1 3 0 2 7
074 Machine Element or Mechanism 1 1 3 0 1 6
181 Acoustics 0 0 4 1 1 6
203 Distillation: Processes, Separatory 1 2 2 0 1 6
220 Receptacles 1 1 1 2 1 6
277 Seal for a Joint or Juncture 1 1 0 4 0 6
318 Electricity: Motive Power Systems 2 0 1 2 1 6
384 Bearings 0 1 1 3 1 6
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 1 4 1 6
714 Error Detection/Correction and Fault Detection/Recovery 2 1 1 2 0 6
005 Beds 0 1 1 1 2 5
070 Locks 2 1 0 0 2 5
180 Motor Vehicles 0 1 2 0 2 5
211 Supports: Racks 1 0 2 2 0 5
348 Television 0 0 2 2 1 5
363 Electric Power Conversion Systems 1 1 2 1 0 5
404 Road Structure, Process, or Apparatus 1 0 2 0 2 5
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 2 1 1 0 1 5
432 Heating 4 1 0 0 0 5
482 Exercise Devices 0 4 0 0 1 5
700 DP: Generic Control Systems or Specific Applications (Data Processing) 3 0 0 1 1 5
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 0 0 3 1 5
030 Cutlery 2 2 0 0 0 4
047 Plant Husbandry 2 0 0 1 1 4
049 Movable or Removable Closures 2 0 1 1 0 4
101 Printing 0 1 0 1 2 4
108 Horizontally Supported Planar Surfaces 0 1 0 2 1 4
122 Liquid Heaters and Vaporizers 1 2 1 0 0 4
124 Mechanical Guns and Projectors 2 1 1 0 0 4
172 Earth Working 1 2 1 0 0 4
177 Weighing Scales 2 1 1 0 0 4
182 Fire Escape, Ladder, or Scaffold 1 0 0 1 2 4
192 Clutches and Power-Stop Control 1 2 1 0 0 4
198 Conveyors: Power-Driven 1 1 0 0 2 4
204 Chemistry: Electrical and Wave Energy 1 1 0 2 0 4
244 Aeronautics 1 1 0 2 0 4
294 Handling: Hand and Hoist-Line Implements 1 0 2 0 1 4
297 Chairs and Seats 0 1 0 3 0 4
315 Electric Lamp and Discharge Devices: Systems 1 2 0 0 1 4
355 Photocopying 1 2 0 1 0 4
356 Optics: Measuring and Testing 0 0 1 2 1 4
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 1 0 1 2 4
446 Amusement Devices: Toys 0 0 1 3 0 4
454 Ventilation 1 1 1 0 1 4
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 2 1 0 1 0 4
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 0 0 2 1 1 4
036 Boots, Shoes, and Leggings 1 1 0 1 0 3
042 Firearms 2 0 0 0 1 3
053 Package Making 2 1 0 0 0 3
055 Gas Separation 0 1 1 1 0 3
083 Cutting 2 0 0 0 1 3
084 Music 1 1 1 0 0 3
089 Ordnance 2 1 0 0 0 3
102 Ammunition and Explosives 1 0 0 0 2 3
135 Tent, Canopy, Umbrella, or Cane 0 1 0 1 1 3
173 Tool Driving or Impacting 0 1 1 0 1 3
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 2 0 0 1 3
202 Distillation: Apparatus 0 0 1 2 0 3
226 Advancing Material of Indeterminate Length 2 0 0 1 0 3
269 Work Holders 0 1 1 0 1 3
283 Printed Matter 0 3 0 0 0 3
301 Land Vehicles: Wheels and Axles 1 1 0 0 1 3
312 Supports: Cabinet Structure 2 0 1 0 0 3
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 1 0 2 3
361 Electricity: Electrical Systems and Devices 1 0 2 0 0 3
369 Dynamic Information Storage or Retrieval 0 0 0 0 3 3
370 Multiplex Communications 0 0 0 1 2 3
375 Pulse or Digital Communications 0 0 2 1 0 3
382 Image Analysis 0 0 0 3 0 3
406 Conveyors: Fluid Current 0 1 1 0 1 3
408 Cutting by Use of Rotating Axially Moving Tool 1 1 1 0 0 3
410 Freight Accommodation On Freight Carrier 0 2 0 0 1 3
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 1 0 1 0 3
434 Education and Demonstration 2 0 0 0 1 3
501 Compositions: Ceramic 0 2 1 0 0 3
713 Support (Electrical Computers and Digital Processing Systems) 2 0 0 0 1 3
007 Compound Hand Tools 0 0 1 1 0 2
034 Drying and Gas or Vapor Contact with Solids 0 0 2 0 0 2
091 Motors: Expansible Chamber Type 1 0 0 1 0 2
116 Signals and Indicators 1 0 0 0 1 2
118 Coating Apparatus 0 0 1 0 1 2
126 Stoves and Furnaces 1 0 1 0 0 2
132 Toilet 0 0 2 0 0 2
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 2 0 0 0 2
152 Resilient Tires and Wheels 0 0 2 0 0 2
186 Merchandising 1 0 0 0 1 2
200 Electricity: Circuit Makers and Breakers 0 2 0 0 0 2
201 Distillation: Processes, Thermolytic 1 1 0 0 0 2
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 1 0 1 0 2
215 Bottles and Jars 1 0 1 0 0 2
241 Solid Material Comminution or Disintegration 0 0 0 0 2 2
249 Static Molds 0 0 0 1 1 2
267 Spring Devices 0 0 0 1 1 2
292 Closure Fasteners 1 0 0 0 1 2
299 Mining or In Situ Disintegration of Hard Material 0 0 0 1 1 2
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 1 1 2
341 Coded Data Generation or Conversion 0 0 0 1 1 2
368 Horology: Time Measuring Systems or Devices 1 0 0 1 0 2
378 X-Ray or Gamma Ray Systems or Devices 1 0 0 0 1 2
403 Joints and Connections 0 0 0 2 0 2
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 1 1 2
427 Coating Processes 0 0 1 1 0 2
455 Telecommunications 1 1 0 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 0 1 0 2
494 Imperforate Bowl: Centrifugal Separators 0 2 0 0 0 2
504 Plant Protecting and Regulating Compositions 2 0 0 0 0 2
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 1 1 0 0 2
588 Hazardous or Toxic Waste Destruction or Containment 1 0 0 1 0 2
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 2 0 0 2
001 ** Classification Undetermined ** 0 0 0 0 1 1
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 0 0 1
014 Bridges 0 1 0 0 0 1
016 Miscellaneous Hardware 1 0 0 0 0 1
027 Undertaking 0 0 0 1 0 1
038 Textiles: Ironing or Smoothing 1 0 0 0 0 1
054 Harness (for animals) 0 0 0 1 0 1
065 Glass Manufacturing 0 0 0 0 1 1
068 Textiles: Fluid Treating Apparatus 0 0 0 0 1 1
071 Chemistry: Fertilizers 0 0 0 0 1 1
082 Turning (e.g., for metal working) 0 1 0 0 0 1
086 Ammunition and Explosive-Charge Making 1 0 0 0 0 1
092 Expansible Chamber Devices 0 1 0 0 0 1
096 Gas Separation: Apparatus 0 0 0 1 0 1
100 Presses 0 1 0 0 0 1
110 Furnaces 1 0 0 0 0 1
111 Planting 0 1 0 0 0 1
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 1 1
140 Wireworking 1 0 0 0 0 1
144 Woodworking 0 0 0 1 0 1
148 Metal Treatment 1 0 0 0 0 1
150 Purses, Wallets, and Protective Covers 0 0 0 1 0 1
160 Flexible or Portable Closure, Partition, or Panel 1 0 0 0 0 1
162 Paper Making and Fiber Liberation 1 0 0 0 0 1
164 Metal Founding 0 0 0 1 0 1
169 Fire Extinguishers 0 1 0 0 0 1
188 Brakes 0 0 1 0 0 1
190 Trunks and Hand-Carried Luggage 0 0 1 0 0 1
196 Mineral Oils: Apparatus 0 1 0 0 0 1
223 Apparel Apparatus 0 0 0 0 1 1
225 Severing by Tearing or Breaking 0 0 0 0 1 1
228 Metal Fusion Bonding 0 0 1 0 0 1
232 Deposit and Collection Receptacles 0 0 1 0 0 1
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 0 1 0 1
236 Automatic Temperature and Humidity Regulation 0 0 0 1 0 1
237 Heating Systems 0 0 0 1 0 1
246 Railway Switches and Signals 0 0 0 1 0 1
252 Compositions 0 0 0 0 1 1
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 0 1 1
266 Metallurgical Apparatus 0 0 0 1 0 1
279 Chucks or Sockets 1 0 0 0 0 1
290 Prime-Mover Dynamo Plants 0 0 0 0 1 1
313 Electric Lamp and Discharge Devices 0 1 0 0 0 1
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 1 0 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 1 0 0 0 1
374 Thermal Measuring and Testing 0 0 0 1 0 1
379 Telephonic Communications 0 0 0 1 0 1
380 Cryptography 1 0 0 0 0 1
392 Electric Resistance Heating Devices 1 0 0 0 0 1
396 Photography 0 0 1 0 0 1
400 Typewriting Machines 1 0 0 0 0 1
438 Semiconductor Device Manufacturing: Process 1 0 0 0 0 1
450 Foundation Garments 0 0 1 0 0 1
452 Butchering 0 0 1 0 0 1
472 Amusement Devices 0 0 0 0 1 1
474 Endless Belt Power Transmission Systems or Components 0 0 1 0 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 1 0 0 0 0 1
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 0 0 0 0 1 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 1 0 0 1
601 Surgery: Kinesitherapy 0 0 0 0 1 1
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 1 0 0 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 0 0 1 1
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 1
ALL ALL CLASSES 488 496 542 576 466 2568


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