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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

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' )

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
180 Motor Vehicles 1 4 1 8 3 17
280 Land Vehicles 3 2 3 6 2 16
037 Excavating 1 3 4 4 3 15
172 Earth Working 2 2 3 3 4 14
111 Planting 0 2 6 2 2 12
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 6 1 0 3 2 12
414 Material or Article Handling 1 1 1 3 4 10
296 Land Vehicles: Bodies and Tops 1 2 2 1 3 9
340 Communications: Electrical 5 3 0 0 1 9
532 Organic Compounds (includes Classes 532-570) 2 3 2 2 0 9
305 Wheel Substitutes for Land Vehicles 0 4 1 2 1 8
426 Food or Edible Material: Processes, Compositions, and Products 3 0 2 1 2 8
056 Harvesters 1 2 1 2 1 7
074 Machine Element or Mechanism 3 1 1 0 2 7
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 0 0 0 3 4 7
239 Fluid Sprinkling, Spraying, and Diffusing 0 1 2 2 1 6
242 Winding, Tensioning, or Guiding 1 1 1 2 1 6
473 Games Using Tangible Projectile 2 1 2 0 1 6
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 1 2 1 2 6
015 Brushing, Scrubbing, and General Cleaning 0 3 1 1 0 5
248 Supports (e.g., for holding articles, etc.) 1 0 1 3 0 5
435 Chemistry: Molecular Biology and Microbiology 0 0 3 1 1 5
004 Baths, Closets, Sinks, and Spittoons 0 0 1 2 1 4
052 Static Structures (e.g., Buildings) 0 0 1 3 0 4
182 Fire Escape, Ladder, or Scaffold 0 0 2 1 1 4
210 Liquid Purification or Separation 0 1 1 0 2 4
219 Electric Heating 0 1 1 2 0 4
250 Radiant Energy 2 1 1 0 0 4
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 2 0 0 1 4
403 Joints and Connections 1 2 1 0 0 4
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 1 0 1 1 4
002 Apparel 0 1 0 1 1 3
081 Tools 0 1 0 1 1 3
091 Motors: Expansible Chamber Type 0 0 0 1 2 3
123 Internal-Combustion Engines 0 0 2 1 0 3
134 Cleaning and Liquid Contact with Solids 0 1 1 1 0 3
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 1 1 1 3
175 Boring or Penetrating the Earth 0 1 1 1 0 3
198 Conveyors: Power-Driven 0 0 1 1 1 3
220 Receptacles 0 0 1 1 1 3
224 Package and Article Carriers 3 0 0 0 0 3
273 Amusement Devices: Games 1 1 1 0 0 3
294 Handling: Hand and Hoist-Line Implements 0 0 1 0 2 3
299 Mining or In Situ Disintegration of Hard Material 0 0 1 2 0 3
428 Stock Material or Miscellaneous Articles 0 0 2 1 0 3
460 Crop Threshing or Separating 1 0 1 1 0 3
043 Fishing, Trapping, and Vermin Destroying 0 1 1 0 0 2
044 Fuel and Related Compositions 0 0 1 1 0 2
047 Plant Husbandry 0 0 0 1 1 2
049 Movable or Removable Closures 1 0 0 1 0 2
060 Power Plants 0 0 1 0 1 2
083 Cutting 0 0 1 1 0 2
084 Music 1 1 0 0 0 2
128 Surgery (includes Class 600) 0 1 1 0 0 2
132 Toilet 1 0 0 0 1 2
188 Brakes 0 1 0 0 1 2
203 Distillation: Processes, Separatory 1 1 0 0 0 2
209 Classifying, Separating, and Assorting Solids 0 0 1 1 0 2
211 Supports: Racks 0 0 0 1 1 2
241 Solid Material Comminution or Disintegration 0 1 0 1 0 2
277 Seal for a Joint or Juncture 1 0 0 0 1 2
324 Electricity: Measuring and Testing 0 1 0 0 1 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 0 2 0 2
360 Dynamic Magnetic Information Storage or Retrieval 1 0 1 0 0 2
361 Electricity: Electrical Systems and Devices 1 0 0 0 1 2
362 Illumination 0 0 2 0 0 2
434 Education and Demonstration 1 0 1 0 0 2
482 Exercise Devices 1 0 0 0 1 2
012 Boot and Shoe Making 0 0 0 1 0 1
016 Miscellaneous Hardware 0 0 1 0 0 1
029 Metal Working 0 1 0 0 0 1
030 Cutlery 1 0 0 0 0 1
033 Geometrical Instruments 0 0 0 0 1 1
034 Drying and Gas or Vapor Contact with Solids 0 0 1 0 0 1
040 Card, Picture, or Sign Exhibiting 0 0 1 0 0 1
059 Chain, Staple, and Horseshoe Making 0 0 1 0 0 1
062 Refrigeration 1 0 0 0 0 1
065 Glass Manufacturing 0 0 0 1 0 1
068 Textiles: Fluid Treating Apparatus 1 0 0 0 0 1
073 Measuring and Testing 0 0 1 0 0 1
092 Expansible Chamber Devices 0 0 0 1 0 1
095 Gas Separation: Processes 0 1 0 0 0 1
099 Foods and Beverages: Apparatus 1 0 0 0 0 1
105 Railway Rolling Stock 1 0 0 0 0 1
108 Horizontally Supported Planar Surfaces 0 0 0 0 1 1
114 Ships 1 0 0 0 0 1
118 Coating Apparatus 0 0 0 1 0 1
119 Animal Husbandry 0 1 0 0 0 1
124 Mechanical Guns and Projectors 1 0 0 0 0 1
135 Tent, Canopy, Umbrella, or Cane 0 0 0 1 0 1
137 Fluid Handling 0 0 0 1 0 1
138 Pipes and Tubular Conduits 0 0 1 0 0 1
144 Woodworking 0 0 0 0 1 1
160 Flexible or Portable Closure, Partition, or Panel 0 0 0 1 0 1
165 Heat Exchange 0 0 0 1 0 1
171 Unearthing Plants or Buried Objects 0 0 0 1 0 1
181 Acoustics 0 0 1 0 0 1
184 Lubrication 0 0 0 0 1 1
202 Distillation: Apparatus 0 0 0 0 1 1
206 Special Receptacle or Package 0 0 0 1 0 1
251 Valves and Valve Actuation 0 0 1 0 0 1
267 Spring Devices 0 0 1 0 0 1
292 Closure Fasteners 0 0 1 0 0 1
301 Land Vehicles: Wheels and Axles 0 0 1 0 0 1
303 Fluid-Pressure and Analogous Brake Systems 0 1 0 0 0 1
307 Electrical Transmission or Interconnection Systems 0 0 0 1 0 1
341 Coded Data Generation or Conversion 1 0 0 0 0 1
356 Optics: Measuring and Testing 1 0 0 0 0 1
366 Agitating (e.g., of articles and materials) 0 0 1 0 0 1
369 Dynamic Information Storage or Retrieval 0 0 1 0 0 1
385 Optical Waveguides 0 1 0 0 0 1
404 Road Structure, Process, or Apparatus 0 1 0 0 0 1
417 Pumps 0 0 0 0 1 1
431 Combustion 0 0 1 0 0 1
433 Dentistry 0 0 0 0 1 1
440 Marine Propulsion 0 0 0 1 0 1
441 Buoys, Rafts, and Aquatic Devices 0 0 0 1 0 1
446 Amusement Devices: Toys 0 0 0 1 0 1
449 Bee Culture (propagating, raising, caring for bees) 0 0 0 1 0 1
451 Abrading 0 0 0 0 1 1
454 Ventilation 1 0 0 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 1 0 1
474 Endless Belt Power Transmission Systems or Components 1 0 0 0 0 1
475 Planetary Gear Transmission Systems or Components 0 1 0 0 0 1
504 Plant Protecting and Regulating Compositions 0 1 0 0 0 1
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 1 0 0 0 0 1
602 Surgery: Splint, Brace, or Bandage 0 1 0 0 0 1
606 Surgery (instruments) 0 0 1 0 0 1
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 1 1
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 1 0 0 0 1
ALL ALL CLASSES 65 67 85 97 73 387


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

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

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


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