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

NORTH DAKOTA

(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
180 Motor Vehicles 1 1 4 1 8 15
280 Land Vehicles 0 3 2 3 6 14
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 3 6 1 0 3 13
037 Excavating 0 1 3 4 4 12
172 Earth Working 2 2 2 3 3 12
532 Organic Compounds (includes Classes 532-570) 2 2 3 2 2 11
111 Planting 0 0 2 6 2 10
340 Communications: Electrical 1 5 3 0 0 9
414 Material or Article Handling 2 1 1 1 3 8
056 Harvesters 1 1 2 1 2 7
239 Fluid Sprinkling, Spraying, and Diffusing 2 0 1 2 2 7
305 Wheel Substitutes for Land Vehicles 0 0 4 1 2 7
426 Food or Edible Material: Processes, Compositions, and Products 1 3 0 2 1 7
074 Machine Element or Mechanism 1 3 1 1 0 6
242 Winding, Tensioning, or Guiding 1 1 1 1 2 6
296 Land Vehicles: Bodies and Tops 0 1 2 2 1 6
015 Brushing, Scrubbing, and General Cleaning 0 0 3 1 1 5
052 Static Structures (e.g., Buildings) 1 0 0 1 3 5
248 Supports (e.g., for holding articles, etc.) 0 1 0 1 3 5
250 Radiant Energy 1 2 1 1 0 5
473 Games Using Tangible Projectile 0 2 1 2 0 5
043 Fishing, Trapping, and Vermin Destroying 2 0 1 1 0 4
219 Electric Heating 0 0 1 1 2 4
224 Package and Article Carriers 1 3 0 0 0 4
403 Joints and Connections 0 1 2 1 0 4
435 Chemistry: Molecular Biology and Microbiology 0 0 0 3 1 4
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 0 1 2 1 4
004 Baths, Closets, Sinks, and Spittoons 0 0 0 1 2 3
119 Animal Husbandry 2 0 1 0 0 3
123 Internal-Combustion Engines 0 0 0 2 1 3
128 Surgery (includes Class 600) 1 0 1 1 0 3
134 Cleaning and Liquid Contact with Solids 0 0 1 1 1 3
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 0 0 1 1 3
175 Boring or Penetrating the Earth 0 0 1 1 1 3
182 Fire Escape, Ladder, or Scaffold 0 0 0 2 1 3
203 Distillation: Processes, Separatory 1 1 1 0 0 3
220 Receptacles 1 0 0 1 1 3
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 1 2 0 0 3
273 Amusement Devices: Games 0 1 1 1 0 3
299 Mining or In Situ Disintegration of Hard Material 0 0 0 1 2 3
366 Agitating (e.g., of articles and materials) 2 0 0 1 0 3
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 0 0 0 0 3 3
428 Stock Material or Miscellaneous Articles 0 0 0 2 1 3
460 Crop Threshing or Separating 0 1 0 1 1 3
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 1 1 0 1 3
002 Apparel 0 0 1 0 1 2
044 Fuel and Related Compositions 0 0 0 1 1 2
049 Movable or Removable Closures 0 1 0 0 1 2
081 Tools 0 0 1 0 1 2
083 Cutting 0 0 0 1 1 2
084 Music 0 1 1 0 0 2
198 Conveyors: Power-Driven 0 0 0 1 1 2
206 Special Receptacle or Package 1 0 0 0 1 2
209 Classifying, Separating, and Assorting Solids 0 0 0 1 1 2
210 Liquid Purification or Separation 0 0 1 1 0 2
241 Solid Material Comminution or Disintegration 0 0 1 0 1 2
294 Handling: Hand and Hoist-Line Implements 1 0 0 1 0 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 0 0 2 2
360 Dynamic Magnetic Information Storage or Retrieval 0 1 0 1 0 2
361 Electricity: Electrical Systems and Devices 1 1 0 0 0 2
362 Illumination 0 0 0 2 0 2
434 Education and Demonstration 0 1 0 1 0 2
504 Plant Protecting and Regulating Compositions 1 0 1 0 0 2
012 Boot and Shoe Making 0 0 0 0 1 1
016 Miscellaneous Hardware 0 0 0 1 0 1
029 Metal Working 0 0 1 0 0 1
030 Cutlery 0 1 0 0 0 1
034 Drying and Gas or Vapor Contact with Solids 0 0 0 1 0 1
040 Card, Picture, or Sign Exhibiting 0 0 0 1 0 1
047 Plant Husbandry 0 0 0 0 1 1
059 Chain, Staple, and Horseshoe Making 0 0 0 1 0 1
060 Power Plants 0 0 0 1 0 1
062 Refrigeration 0 1 0 0 0 1
063 Jewelry 1 0 0 0 0 1
065 Glass Manufacturing 0 0 0 0 1 1
068 Textiles: Fluid Treating Apparatus 0 1 0 0 0 1
073 Measuring and Testing 0 0 0 1 0 1
091 Motors: Expansible Chamber Type 0 0 0 0 1 1
092 Expansible Chamber Devices 0 0 0 0 1 1
095 Gas Separation: Processes 0 0 1 0 0 1
099 Foods and Beverages: Apparatus 0 1 0 0 0 1
105 Railway Rolling Stock 0 1 0 0 0 1
114 Ships 0 1 0 0 0 1
118 Coating Apparatus 0 0 0 0 1 1
124 Mechanical Guns and Projectors 0 1 0 0 0 1
126 Stoves and Furnaces 1 0 0 0 0 1
132 Toilet 0 1 0 0 0 1
135 Tent, Canopy, Umbrella, or Cane 0 0 0 0 1 1
137 Fluid Handling 0 0 0 0 1 1
138 Pipes and Tubular Conduits 0 0 0 1 0 1
160 Flexible or Portable Closure, Partition, or Panel 0 0 0 0 1 1
165 Heat Exchange 0 0 0 0 1 1
171 Unearthing Plants or Buried Objects 0 0 0 0 1 1
181 Acoustics 0 0 0 1 0 1
188 Brakes 0 0 1 0 0 1
204 Chemistry: Electrical and Wave Energy 1 0 0 0 0 1
211 Supports: Racks 0 0 0 0 1 1
216 Etching a Substrate: Processes 1 0 0 0 0 1
251 Valves and Valve Actuation 0 0 0 1 0 1
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1 0 0 0 0 1
267 Spring Devices 0 0 0 1 0 1
277 Seal for a Joint or Juncture 0 1 0 0 0 1
292 Closure Fasteners 0 0 0 1 0 1
293 Vehicle Fenders 1 0 0 0 0 1
301 Land Vehicles: Wheels and Axles 0 0 0 1 0 1
303 Fluid-Pressure and Analogous Brake Systems 0 0 1 0 0 1
307 Electrical Transmission or Interconnection Systems 0 0 0 0 1 1
324 Electricity: Measuring and Testing 0 0 1 0 0 1
341 Coded Data Generation or Conversion 0 1 0 0 0 1
348 Television 1 0 0 0 0 1
356 Optics: Measuring and Testing 0 1 0 0 0 1
369 Dynamic Information Storage or Retrieval 0 0 0 1 0 1
385 Optical Waveguides 0 0 1 0 0 1
404 Road Structure, Process, or Apparatus 0 0 1 0 0 1
427 Coating Processes 1 0 0 0 0 1
431 Combustion 0 0 0 1 0 1
440 Marine Propulsion 0 0 0 0 1 1
441 Buoys, Rafts, and Aquatic Devices 0 0 0 0 1 1
446 Amusement Devices: Toys 0 0 0 0 1 1
449 Bee Culture (propagating, raising, caring for bees) 0 0 0 0 1 1
454 Ventilation 0 1 0 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 0 1 1
474 Endless Belt Power Transmission Systems or Components 0 1 0 0 0 1
475 Planetary Gear Transmission Systems or Components 0 0 1 0 0 1
482 Exercise Devices 0 1 0 0 0 1
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 1 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 1 0 0 0 1
602 Surgery: Splint, Brace, or Bandage 0 0 1 0 0 1
606 Surgery (instruments) 0 0 0 1 0 1
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 1 0 0 1
ALL ALL CLASSES 42 65 67 85 97 356



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