U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting By Geographic Region (State and Country), Breakout By Technology Class
Count of 1996 - 2000 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')
 
Class Class Title 1996 1997 1998 1999 2000 Total
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 49 24 35 39 41 188
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 15 12 13 20 37 97
585 Chemistry of Hydrocarbon Compounds 15 15 16 19 26 91
360 Dynamic Magnetic Information Storage or Retrieval 3 9 12 16 42 82
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 25 15 16 10 12 78
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 14 20 6 12 12 64
242 Winding, Tensioning, or Guiding 3 5 13 14 13 48
137 Fluid Handling 16 6 9 8 8 47
435 Chemistry: Molecular Biology and Microbiology 4 9 18 8 7 46
208 Mineral Oils: Processes and Products 5 6 9 9 15 44
210 Liquid Purification or Separation 9 10 9 5 8 41
507 Earth Boring, Well Treating, and Oil Field Chemistry 10 10 8 8 5 41
532 Organic Compounds (includes Classes 532-570) 6 5 7 6 9 33
052 Static Structures (e.g., Buildings) 4 5 8 4 7 28
073 Measuring and Testing 7 4 5 6 6 28
106 Compositions: Coating or Plastic 4 5 8 8 3 28
128 Surgery (includes Class 600) 5 7 5 2 9 28
175 Boring or Penetrating the Earth 8 3 5 8 4 28
340 Communications: Electrical 3 9 5 5 5 27
280 Land Vehicles 8 2 7 4 5 26
604 Surgery (Medicators and Receptors) 4 5 6 4 5 24
029 Metal Working 5 6 2 4 6 23
451 Abrading 6 6 3 5 3 23
423 Chemistry of Inorganic Compounds 3 6 4 8 1 22
428 Stock Material or Miscellaneous Articles 4 8 5 4 1 22
606 Surgery (instruments) 1 6 6 7 2 22
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 2 2 9 7 1 21
206 Special Receptacle or Package 4 3 3 6 5 21
043 Fishing, Trapping, and Vermin Destroying 4 2 2 9 3 20
062 Refrigeration 6 6 1 2 3 18
414 Material or Article Handling 3 4 3 4 4 18
433 Dentistry 2 1 7 5 3 18
224 Package and Article Carriers 3 5 3 2 4 17
362 Illumination 4 2 3 4 4 17
473 Games Using Tangible Projectile 5 3 3 2 4 17
702 DP: Measuring, Calibrating, or Testing (Data Processing) 2 0 5 5 5 17
002 Apparel 2 5 2 3 4 16
417 Pumps 3 1 3 2 7 16
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 6 0 3 1 6 16
119 Animal Husbandry 5 3 1 4 2 15
219 Electric Heating 2 2 1 6 3 14
251 Valves and Valve Actuation 0 3 3 6 2 14
285 Pipe Joints or Couplings 3 2 3 3 3 14
296 Land Vehicles: Bodies and Tops 2 3 4 1 4 14
310 Electrical Generator or Motor Structure 2 0 3 3 6 14
060 Power Plants 2 3 3 1 4 13
123 Internal-Combustion Engines 1 6 2 3 1 13
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 4 3 1 4 1 13
602 Surgery: Splint, Brace, or Bandage 3 2 4 2 2 13
114 Ships 3 1 2 4 2 12
174 Electricity: Conductors and Insulators 1 1 4 3 3 12
222 Dispensing (apparatus and process) 3 3 2 3 1 12
037 Excavating 3 1 3 2 2 11
072 Metal Deforming 1 3 2 2 3 11
138 Pipes and Tubular Conduits 2 0 3 4 2 11
165 Heat Exchange 2 1 5 1 2 11
248 Supports (e.g., for holding articles, etc.) 0 4 1 3 3 11
261 Gas and Liquid Contact Apparatus 4 0 0 3 4 11
431 Combustion 2 1 3 3 2 11
440 Marine Propulsion 1 2 2 2 4 11
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 2 6 0 3 11
015 Brushing, Scrubbing, and General Cleaning 3 1 0 2 4 10
056 Harvesters 5 0 1 2 2 10
220 Receptacles 4 3 1 1 1 10
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 1 2 3 2 10
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 2 3 2 2 10
134 Cleaning and Liquid Contact with Solids 0 2 1 3 3 9
209 Classifying, Separating, and Assorting Solids 0 2 0 4 3 9
366 Agitating (e.g., of articles and materials) 3 0 0 5 1 9
426 Food or Edible Material: Processes, Compositions, and Products 1 0 2 2 4 9
439 Electrical Connectors 2 2 1 2 2 9
033 Geometrical Instruments 3 1 1 0 3 8
124 Mechanical Guns and Projectors 3 1 2 1 1 8
239 Fluid Sprinkling, Spraying, and Diffusing 2 0 3 1 2 8
250 Radiant Energy 4 0 1 3 0 8
324 Electricity: Measuring and Testing 2 2 3 1 0 8
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 0 2 2 1 3 8
482 Exercise Devices 3 1 0 4 0 8
040 Card, Picture, or Sign Exhibiting 1 0 1 1 4 7
273 Amusement Devices: Games 2 1 1 2 1 7
294 Handling: Hand and Hoist-Line Implements 1 3 1 0 2 7
318 Electricity: Motive Power Systems 2 2 2 0 1 7
359 Optics: Systems (Including Communication) and Elements 2 0 2 2 1 7
415 Rotary Kinetic Fluid Motors or Pumps 0 2 1 1 3 7
436 Chemistry: Analytical and Immunological Testing 0 1 3 3 0 7
607 Surgery: Light, Thermal, and Electrical Application 1 2 2 0 2 7
700 DP: Generic Control Systems or Specific Applications (Data Processing) 2 2 3 0 0 7
047 Plant Husbandry 3 1 2 0 0 6
074 Machine Element or Mechanism 1 0 1 1 3 6
110 Furnaces 1 4 1 0 0 6
177 Weighing Scales 0 2 2 1 1 6
204 Chemistry: Electrical and Wave Energy 2 2 1 1 0 6
351 Optics: Eye Examining, Vision Testing and Correcting 2 0 2 2 0 6
404 Road Structure, Process, or Apparatus 2 1 1 0 2 6
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 2 2 1 1 6
418 Rotary Expansible Chamber Devices 0 1 2 0 3 6
454 Ventilation 2 1 1 1 1 6
725 Interactive Video Distribution Systems 2 0 2 1 1 6
005 Beds 3 0 0 1 1 5
024 Buckles, Buttons, Clasps, Etc. 2 0 2 1 0 5
070 Locks 1 1 2 1 0 5
081 Tools 3 0 1 0 1 5
084 Music 0 2 1 1 1 5
095 Gas Separation: Processes 1 1 0 1 2 5
099 Foods and Beverages: Apparatus 1 0 0 3 1 5
122 Liquid Heaters and Vaporizers 0 1 1 2 1 5
126 Stoves and Furnaces 1 2 1 0 1 5
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 2 0 2 0 5
181 Acoustics 1 0 0 0 4 5
192 Clutches and Power-Stop Control 0 1 1 2 1 5
200 Electricity: Circuit Makers and Breakers 1 2 0 2 0 5
203 Distillation: Processes, Separatory 0 0 1 2 2 5
241 Solid Material Comminution or Disintegration 5 0 0 0 0 5
283 Printed Matter 2 0 0 3 0 5
312 Supports: Cabinet Structure 2 0 2 0 1 5
315 Electric Lamp and Discharge Devices: Systems 0 2 1 2 0 5
348 Television 1 0 0 1 3 5
432 Heating 0 0 4 1 0 5
463 Amusement Devices: Games 0 0 2 1 2 5
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 1 0 1 3 5
714 Error Detection/Correction and Fault Detection/Recovery 0 1 2 1 1 5
004 Baths, Closets, Sinks, and Spittoons 0 0 1 0 3 4
030 Cutlery 0 0 2 2 0 4
036 Boots, Shoes, and Leggings 0 2 1 1 0 4
049 Movable or Removable Closures 0 1 2 0 1 4
053 Package Making 0 1 2 1 0 4
055 Gas Separation 2 0 0 1 1 4
172 Earth Working 0 0 1 2 1 4
173 Tool Driving or Impacting 1 1 0 1 1 4
182 Fire Escape, Ladder, or Scaffold 1 2 1 0 0 4
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 1 0 2 0 4
211 Supports: Racks 0 1 1 0 2 4
252 Compositions 1 3 0 0 0 4
277 Seal for a Joint or Juncture 2 0 1 1 0 4
297 Chairs and Seats 2 1 0 1 0 4
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 2 0 0 1 4
361 Electricity: Electrical Systems and Devices 1 0 1 0 2 4
363 Electric Power Conversion Systems 0 0 1 1 2 4
384 Bearings 1 1 0 1 1 4
400 Typewriting Machines 2 1 1 0 0 4
405 Hydraulic and Earth Engineering 0 2 1 1 0 4
408 Cutting by Use of Rotating Axially Moving Tool 1 0 1 1 1 4
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 2 1 1 0 4
446 Amusement Devices: Toys 2 1 0 0 1 4
504 Plant Protecting and Regulating Compositions 0 2 2 0 0 4
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 1 2 1 0 4
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 0 1 3 0 0 4
042 Firearms 0 1 2 0 0 3
082 Turning (e.g., for metal working) 2 0 0 1 0 3
083 Cutting 1 0 2 0 0 3
091 Motors: Expansible Chamber Type 1 1 1 0 0 3
108 Horizontally Supported Planar Surfaces 2 0 0 1 0 3
118 Coating Apparatus 2 0 0 0 1 3
152 Resilient Tires and Wheels 0 1 0 0 2 3
180 Motor Vehicles 0 0 0 1 2 3
198 Conveyors: Power-Driven 1 0 1 1 0 3
244 Aeronautics 1 0 1 1 0 3
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 1 1 1 0 3
256 Fences 0 0 1 2 0 3
292 Closure Fasteners 0 2 1 0 0 3
355 Photocopying 0 0 1 2 0 3
401 Coating Implements with Material Supply 1 2 0 0 0 3
403 Joints and Connections 2 1 0 0 0 3
410 Freight Accommodation On Freight Carrier 0 1 0 2 0 3
434 Education and Demonstration 1 0 2 0 0 3
455 Telecommunications 0 0 1 2 0 3
494 Imperforate Bowl: Centrifugal Separators 1 0 0 2 0 3
501 Compositions: Ceramic 0 0 0 2 1 3
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 1 0 0 2 3
007 Compound Hand Tools 1 0 0 0 1 2
016 Miscellaneous Hardware 1 0 1 0 0 2
034 Drying and Gas or Vapor Contact with Solids 0 0 0 0 2 2
089 Ordnance 0 0 1 1 0 2
116 Signals and Indicators 1 0 1 0 0 2
132 Toilet 0 0 0 0 2 2
135 Tent, Canopy, Umbrella, or Cane 0 1 0 1 0 2
144 Woodworking 2 0 0 0 0 2
201 Distillation: Processes, Thermolytic 0 0 1 1 0 2
202 Distillation: Apparatus 1 0 0 0 1 2
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 1 0 1 0 2
215 Bottles and Jars 0 0 1 0 1 2
226 Advancing Material of Indeterminate Length 0 0 2 0 0 2
228 Metal Fusion Bonding 0 1 0 0 1 2
232 Deposit and Collection Receptacles 1 0 0 0 1 2
236 Automatic Temperature and Humidity Regulation 1 1 0 0 0 2
269 Work Holders 0 0 0 1 1 2
299 Mining or In Situ Disintegration of Hard Material 1 1 0 0 0 2
301 Land Vehicles: Wheels and Axles 0 0 1 1 0 2
353 Optics: Image Projectors 2 0 0 0 0 2
356 Optics: Measuring and Testing 0 1 0 0 1 2
375 Pulse or Digital Communications 0 0 0 0 2 2
378 X-Ray or Gamma Ray Systems or Devices 1 0 1 0 0 2
406 Conveyors: Fluid Current 0 0 0 1 1 2
416 Fluid Reaction Surfaces (i.e., Impellers) 2 0 0 0 0 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 1 0 1 0 2
427 Coating Processes 0 1 0 0 1 2
452 Butchering 1 0 0 0 1 2
474 Endless Belt Power Transmission Systems or Components 1 0 0 0 1 2
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 0 0 1 1 2
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 0 0 1 2
588 Hazardous or Toxic Waste Destruction or Containment 0 1 1 0 0 2
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 0 0 0 0 2 2
713 Support (Electrical Computers and Digital Processing Systems) 0 0 2 0 0 2
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 0 0 1 1
014 Bridges 0 0 0 1 0 1
038 Textiles: Ironing or Smoothing 0 0 1 0 0 1
054 Harness (for animals) 0 1 0 0 0 1
057 Textiles: Spinning, Twisting, and Twining 1 0 0 0 0 1
066 Textiles: Knitting 0 1 0 0 0 1
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 0 0 0 1
086 Ammunition and Explosive-Charge Making 0 0 1 0 0 1
092 Expansible Chamber Devices 0 0 0 1 0 1
096 Gas Separation: Apparatus 1 0 0 0 0 1
100 Presses 0 0 0 1 0 1
101 Printing 0 0 0 1 0 1
102 Ammunition and Explosives 0 0 1 0 0 1
105 Railway Rolling Stock 1 0 0 0 0 1
111 Planting 0 0 0 1 0 1
140 Wireworking 0 0 1 0 0 1
148 Metal Treatment 0 0 1 0 0 1
149 Explosive and Thermic Compositions or Charges 1 0 0 0 0 1
160 Flexible or Portable Closure, Partition, or Panel 0 0 1 0 0 1
162 Paper Making and Fiber Liberation 0 0 1 0 0 1
169 Fire Extinguishers 0 0 0 1 0 1
178 Telegraphy 1 0 0 0 0 1
186 Merchandising 0 0 1 0 0 1
188 Brakes 0 0 0 0 1 1
190 Trunks and Hand-Carried Luggage 0 0 0 0 1 1
196 Mineral Oils: Apparatus 0 0 0 1 0 1
216 Etching a Substrate: Processes 0 1 0 0 0 1
223 Apparel Apparatus 1 0 0 0 0 1
267 Spring Devices 0 1 0 0 0 1
279 Chucks or Sockets 0 0 1 0 0 1
298 Land Vehicles: Dumping 1 0 0 0 0 1
313 Electric Lamp and Discharge Devices 0 0 0 1 0 1
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 1 1
333 Wave Transmission Lines and Networks 0 1 0 0 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 1 0 1
368 Horology: Time Measuring Systems or Devices 0 0 1 0 0 1
369 Dynamic Information Storage or Retrieval 1 0 0 0 0 1
374 Thermal Measuring and Testing 0 1 0 0 0 1
379 Telephonic Communications 0 1 0 0 0 1
380 Cryptography 0 0 1 0 0 1
381 Electrical Audio Signal Processing Systems and Devices 0 1 0 0 0 1
382 Image Analysis 1 0 0 0 0 1
392 Electric Resistance Heating Devices 0 0 1 0 0 1
396 Photography 0 0 0 0 1 1
438 Semiconductor Device Manufacturing: Process 0 0 1 0 0 1
441 Buoys, Rafts, and Aquatic Devices 1 0 0 0 0 1
450 Foundation Garments 0 0 0 0 1 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 1 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 1 0 0 1
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 0 0 0 0 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 1 1
601 Surgery: Kinesitherapy 1 0 0 0 0 1
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 1 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 0 1 0 0 0 1
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 1
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 1 1
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 1 0 0 1
ALL ALL CLASSES 481 416 488 496 542 2423



TAF Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/

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Last Modified: April 30, 2001