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 1997 - 2001 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 1997 1998 1999 2000 2001 Total
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 24 35 39 41 85 224
360 Dynamic Magnetic Information Storage or Retrieval 9 12 16 42 33 112
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 12 13 20 37 15 97
585 Chemistry of Hydrocarbon Compounds 15 16 19 26 13 89
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 15 16 10 12 27 80
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 20 6 12 12 15 65
435 Chemistry: Molecular Biology and Microbiology 9 18 8 7 16 58
242 Winding, Tensioning, or Guiding 5 13 14 13 10 55
208 Mineral Oils: Processes and Products 6 9 9 15 8 47
137 Fluid Handling 6 9 8 8 15 46
507 Earth Boring, Well Treating, and Oil Field Chemistry 10 8 8 5 7 38
210 Liquid Purification or Separation 10 9 5 8 4 36
532 Organic Compounds (includes Classes 532-570) 5 7 6 9 7 34
340 Communications: Electrical 9 5 6 5 7 32
106 Compositions: Coating or Plastic 5 8 8 3 6 30
175 Boring or Penetrating the Earth 3 5 8 4 10 30
052 Static Structures (e.g., Buildings) 5 8 4 7 5 29
073 Measuring and Testing 4 5 6 6 7 28
128 Surgery (includes Class 600) 7 5 2 9 3 26
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 5 5 5 10 25
029 Metal Working 6 2 4 6 5 23
280 Land Vehicles 2 7 4 5 5 23
423 Chemistry of Inorganic Compounds 6 4 8 1 4 23
604 Surgery (Medicators and Receptors) 5 6 4 5 3 23
606 Surgery (instruments) 6 6 7 2 2 23
433 Dentistry 1 7 5 3 6 22
043 Fishing, Trapping, and Vermin Destroying 2 2 9 3 5 21
310 Electrical Generator or Motor Structure 0 3 3 6 9 21
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 2 9 7 1 1 20
428 Stock Material or Miscellaneous Articles 8 5 4 1 2 20
296 Land Vehicles: Bodies and Tops 3 4 1 4 7 19
451 Abrading 6 3 5 3 2 19
417 Pumps 1 3 2 7 5 18
206 Special Receptacle or Package 3 3 6 5 0 17
251 Valves and Valve Actuation 3 3 6 2 3 17
362 Illumination 2 3 4 4 4 17
414 Material or Article Handling 4 3 4 4 2 17
473 Games Using Tangible Projectile 3 3 2 4 5 17
002 Apparel 5 2 3 4 1 15
062 Refrigeration 6 1 2 3 3 15
123 Internal-Combustion Engines 6 2 3 1 3 15
224 Package and Article Carriers 5 3 2 4 0 14
248 Supports (e.g., for holding articles, etc.) 4 1 3 3 3 14
072 Metal Deforming 3 2 2 3 3 13
219 Electric Heating 2 1 6 3 1 13
222 Dispensing (apparatus and process) 3 2 3 1 4 13
285 Pipe Joints or Couplings 2 3 3 3 2 13
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 3 1 6 3 13
119 Animal Husbandry 3 1 4 2 2 12
165 Heat Exchange 1 5 1 2 3 12
174 Electricity: Conductors and Insulators 1 4 3 3 1 12
440 Marine Propulsion 2 2 2 4 2 12
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 2 6 0 3 1 12
060 Power Plants 3 3 1 4 0 11
114 Ships 1 2 4 2 2 11
134 Cleaning and Liquid Contact with Solids 2 1 3 3 2 11
138 Pipes and Tubular Conduits 0 3 4 2 2 11
209 Classifying, Separating, and Assorting Solids 2 0 4 3 2 11
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 3 1 4 1 2 11
431 Combustion 1 3 3 2 2 11
602 Surgery: Splint, Brace, or Bandage 2 4 2 2 1 11
725 Interactive Video Distribution Systems 0 2 1 2 6 11
015 Brushing, Scrubbing, and General Cleaning 1 0 2 4 2 9
037 Excavating 1 3 2 2 1 9
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 1 2 1 2 3 9
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 2 3 2 1 9
439 Electrical Connectors 2 1 2 2 2 9
607 Surgery: Light, Thermal, and Electrical Application 2 2 0 2 3 9
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 2 3 2 2 0 9
033 Geometrical Instruments 1 0 0 3 4 8
095 Gas Separation: Processes 1 0 1 2 4 8
220 Receptacles 3 1 1 1 2 8
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 1 1 0 5 8
261 Gas and Liquid Contact Apparatus 0 0 3 4 1 8
273 Amusement Devices: Games 1 1 2 1 3 8
324 Electricity: Measuring and Testing 2 3 1 0 2 8
426 Food or Edible Material: Processes, Compositions, and Products 0 2 2 4 0 8
436 Chemistry: Analytical and Immunological Testing 1 3 3 0 1 8
463 Amusement Devices: Games 0 2 1 2 3 8
040 Card, Picture, or Sign Exhibiting 0 1 1 4 1 7
099 Foods and Beverages: Apparatus 0 0 3 1 3 7
318 Electricity: Motive Power Systems 2 2 0 1 2 7
348 Television 0 0 1 3 3 7
366 Agitating (e.g., of articles and materials) 0 0 5 1 1 7
415 Rotary Kinetic Fluid Motors or Pumps 2 1 1 3 0 7
418 Rotary Expansible Chamber Devices 1 2 0 3 1 7
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 1 0 1 3 2 7
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 2 3 0 0 2 7
714 Error Detection/Correction and Fault Detection/Recovery 1 2 1 1 2 7
024 Buckles, Buttons, Clasps, Etc. 0 2 1 0 3 6
177 Weighing Scales 2 2 1 1 0 6
204 Chemistry: Electrical and Wave Energy 2 1 1 0 2 6
211 Supports: Racks 1 1 0 2 2 6
239 Fluid Sprinkling, Spraying, and Diffusing 0 3 1 2 0 6
277 Seal for a Joint or Juncture 0 1 1 0 4 6
294 Handling: Hand and Hoist-Line Implements 3 1 0 2 0 6
351 Optics: Eye Examining, Vision Testing and Correcting 0 2 2 0 2 6
359 Optics: Systems (Including Communication) and Elements 0 2 2 1 1 6
384 Bearings 1 0 1 1 3 6
405 Hydraulic and Earth Engineering 2 1 1 0 2 6
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 2 2 1 1 0 6
700 DP: Generic Control Systems or Specific Applications (Data Processing) 2 3 0 0 1 6
004 Baths, Closets, Sinks, and Spittoons 0 1 0 3 1 5
036 Boots, Shoes, and Leggings 2 1 1 0 1 5
049 Movable or Removable Closures 1 2 0 1 1 5
056 Harvesters 0 1 2 2 0 5
074 Machine Element or Mechanism 0 1 1 3 0 5
081 Tools 0 1 0 1 3 5
084 Music 2 1 1 1 0 5
110 Furnaces 4 1 0 0 0 5
122 Liquid Heaters and Vaporizers 1 1 2 1 0 5
124 Mechanical Guns and Projectors 1 2 1 1 0 5
181 Acoustics 0 0 0 4 1 5
192 Clutches and Power-Stop Control 1 1 2 1 0 5
203 Distillation: Processes, Separatory 0 1 2 2 0 5
250 Radiant Energy 0 1 3 0 1 5
256 Fences 0 1 2 0 2 5
297 Chairs and Seats 1 0 1 0 3 5
315 Electric Lamp and Discharge Devices: Systems 2 1 2 0 0 5
363 Electric Power Conversion Systems 0 1 1 2 1 5
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2 1 1 0 1 5
432 Heating 0 4 1 0 0 5
446 Amusement Devices: Toys 1 0 0 1 3 5
482 Exercise Devices 1 0 4 0 0 5
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 1 4 5
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 2 1 0 1 5
030 Cutlery 0 2 2 0 0 4
047 Plant Husbandry 1 2 0 0 1 4
053 Package Making 1 2 1 0 0 4
070 Locks 1 2 1 0 0 4
126 Stoves and Furnaces 2 1 0 1 0 4
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 2 0 2 0 0 4
172 Earth Working 0 1 2 1 0 4
182 Fire Escape, Ladder, or Scaffold 2 1 0 0 1 4
200 Electricity: Circuit Makers and Breakers 2 0 2 0 0 4
244 Aeronautics 0 1 1 0 2 4
355 Photocopying 0 1 2 0 1 4
356 Optics: Measuring and Testing 1 0 0 1 2 4
404 Road Structure, Process, or Apparatus 1 1 0 2 0 4
454 Ventilation 1 1 1 1 0 4
504 Plant Protecting and Regulating Compositions 2 2 0 0 0 4
588 Hazardous or Toxic Waste Destruction or Containment 1 1 0 0 2 4
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 1 0 0 3 4
005 Beds 0 0 1 1 1 3
042 Firearms 1 2 0 0 0 3
055 Gas Separation 0 0 1 1 1 3
089 Ordnance 0 2 1 0 0 3
091 Motors: Expansible Chamber Type 1 1 0 0 1 3
108 Horizontally Supported Planar Surfaces 0 0 1 0 2 3
135 Tent, Canopy, Umbrella, or Cane 1 0 1 0 1 3
152 Resilient Tires and Wheels 1 0 0 2 0 3
173 Tool Driving or Impacting 1 0 1 1 0 3
180 Motor Vehicles 0 0 1 2 0 3
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 2 0 0 3
202 Distillation: Apparatus 0 0 0 1 2 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 0 1 0 1 3
226 Advancing Material of Indeterminate Length 0 2 0 0 1 3
252 Compositions 3 0 0 0 0 3
283 Printed Matter 0 0 3 0 0 3
292 Closure Fasteners 2 1 0 0 0 3
312 Supports: Cabinet Structure 0 2 0 1 0 3
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 2 0 0 1 0 3
361 Electricity: Electrical Systems and Devices 0 1 0 2 0 3
375 Pulse or Digital Communications 0 0 0 2 1 3
382 Image Analysis 0 0 0 0 3 3
403 Joints and Connections 1 0 0 0 2 3
408 Cutting by Use of Rotating Axially Moving Tool 0 1 1 1 0 3
410 Freight Accommodation On Freight Carrier 1 0 2 0 0 3
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 0 1 0 1 3
427 Coating Processes 1 0 0 1 1 3
501 Compositions: Ceramic 0 0 2 1 0 3
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 0 0 2 0 3
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 0 0 0 2 1 3
007 Compound Hand Tools 0 0 0 1 1 2
034 Drying and Gas or Vapor Contact with Solids 0 0 0 2 0 2
054 Harness (for animals) 1 0 0 0 1 2
083 Cutting 0 2 0 0 0 2
101 Printing 0 0 1 0 1 2
132 Toilet 0 0 0 2 0 2
198 Conveyors: Power-Driven 0 1 1 0 0 2
201 Distillation: Processes, Thermolytic 0 1 1 0 0 2
215 Bottles and Jars 0 1 0 1 0 2
228 Metal Fusion Bonding 1 0 0 1 0 2
236 Automatic Temperature and Humidity Regulation 1 0 0 0 1 2
267 Spring Devices 1 0 0 0 1 2
269 Work Holders 0 0 1 1 0 2
299 Mining or In Situ Disintegration of Hard Material 1 0 0 0 1 2
301 Land Vehicles: Wheels and Axles 0 1 1 0 0 2
368 Horology: Time Measuring Systems or Devices 0 1 0 0 1 2
374 Thermal Measuring and Testing 1 0 0 0 1 2
379 Telephonic Communications 1 0 0 0 1 2
400 Typewriting Machines 1 1 0 0 0 2
401 Coating Implements with Material Supply 2 0 0 0 0 2
406 Conveyors: Fluid Current 0 0 1 1 0 2
434 Education and Demonstration 0 2 0 0 0 2
455 Telecommunications 0 1 1 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 1 0 1 2
494 Imperforate Bowl: Centrifugal Separators 0 0 2 0 0 2
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 0 1 1 0 2
713 Support (Electrical Computers and Digital Processing Systems) 0 2 0 0 0 2
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 0 1 0 1
014 Bridges 0 0 1 0 0 1
016 Miscellaneous Hardware 0 1 0 0 0 1
027 Undertaking 0 0 0 0 1 1
038 Textiles: Ironing or Smoothing 0 1 0 0 0 1
066 Textiles: Knitting 1 0 0 0 0 1
082 Turning (e.g., for metal working) 0 0 1 0 0 1
086 Ammunition and Explosive-Charge Making 0 1 0 0 0 1
092 Expansible Chamber Devices 0 0 1 0 0 1
096 Gas Separation: Apparatus 0 0 0 0 1 1
100 Presses 0 0 1 0 0 1
102 Ammunition and Explosives 0 1 0 0 0 1
111 Planting 0 0 1 0 0 1
116 Signals and Indicators 0 1 0 0 0 1
118 Coating Apparatus 0 0 0 1 0 1
140 Wireworking 0 1 0 0 0 1
144 Woodworking 0 0 0 0 1 1
148 Metal Treatment 0 1 0 0 0 1
150 Purses, Wallets, and Protective Covers 0 0 0 0 1 1
160 Flexible or Portable Closure, Partition, or Panel 0 1 0 0 0 1
162 Paper Making and Fiber Liberation 0 1 0 0 0 1
164 Metal Founding 0 0 0 0 1 1
169 Fire Extinguishers 0 0 1 0 0 1
186 Merchandising 0 1 0 0 0 1
188 Brakes 0 0 0 1 0 1
190 Trunks and Hand-Carried Luggage 0 0 0 1 0 1
196 Mineral Oils: Apparatus 0 0 1 0 0 1
216 Etching a Substrate: Processes 1 0 0 0 0 1
232 Deposit and Collection Receptacles 0 0 0 1 0 1
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 0 0 1 1
237 Heating Systems 0 0 0 0 1 1
246 Railway Switches and Signals 0 0 0 0 1 1
249 Static Molds 0 0 0 0 1 1
266 Metallurgical Apparatus 0 0 0 0 1 1
279 Chucks or Sockets 0 1 0 0 0 1
313 Electric Lamp and Discharge Devices 0 0 1 0 0 1
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 1 0 1
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 0 1 1
333 Wave Transmission Lines and Networks 1 0 0 0 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 1 0 0 1
341 Coded Data Generation or Conversion 0 0 0 0 1 1
370 Multiplex Communications 0 0 0 0 1 1
378 X-Ray or Gamma Ray Systems or Devices 0 1 0 0 0 1
380 Cryptography 0 1 0 0 0 1
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 0 0 1
392 Electric Resistance Heating Devices 0 1 0 0 0 1
396 Photography 0 0 0 1 0 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 0 1 1
438 Semiconductor Device Manufacturing: Process 0 1 0 0 0 1
450 Foundation Garments 0 0 0 1 0 1
452 Butchering 0 0 0 1 0 1
474 Endless Belt Power Transmission Systems or Components 0 0 0 1 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 1 0 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 1 0 1
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 1 0 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 0 0 0 1
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 1 0 1
ALL ALL CLASSES 416 488 496 542 576 2518



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 9, 2002