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

LIECHTENSTEIN

(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
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 1 5 2 2 10
433 Dentistry 1 3 0 3 2 9
532 Organic Compounds (includes Classes 532-570) 1 1 2 2 1 7
173 Tool Driving or Impacting 0 0 0 3 0 3
227 Elongated-Member-Driving Apparatus 0 0 3 0 0 3
359 Optics: Systems (Including Communication) and Elements 0 1 0 1 1 3
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 1 0 1 1 3
029 Metal Working 1 1 0 0 0 2
073 Measuring and Testing 1 0 0 1 0 2
106 Compositions: Coating or Plastic 1 0 1 0 0 2
123 Internal-Combustion Engines 0 0 0 0 2 2
165 Heat Exchange 1 0 0 1 0 2
210 Liquid Purification or Separation 0 1 1 0 0 2
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 0 2 2
356 Optics: Measuring and Testing 0 0 0 0 2 2
604 Surgery (Medicators and Receptors) 0 0 0 1 1 2
042 Firearms 1 0 0 0 0 1
072 Metal Deforming 1 0 0 0 0 1
089 Ordnance 0 0 0 0 1 1
125 Stone Working 0 1 0 0 0 1
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 0 1 1
175 Boring or Penetrating the Earth 0 0 0 0 1 1
188 Brakes 0 0 0 1 0 1
204 Chemistry: Electrical and Wave Energy 0 0 0 0 1 1
242 Winding, Tensioning, or Guiding 0 0 0 0 1 1
244 Aeronautics 0 1 0 0 0 1
250 Radiant Energy 0 0 0 0 1 1
270 Sheet-Material Associating 0 1 0 0 0 1
280 Land Vehicles 1 0 0 0 0 1
312 Supports: Cabinet Structure 0 1 0 0 0 1
313 Electric Lamp and Discharge Devices 0 1 0 0 0 1
324 Electricity: Measuring and Testing 0 0 1 0 0 1
358 Facsimile and Static Presentation Processing 0 0 0 0 1 1
403 Joints and Connections 0 0 0 1 0 1
405 Hydraulic and Earth Engineering 0 1 0 0 0 1
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 1 0 0 1
427 Coating Processes 0 0 0 0 1 1
428 Stock Material or Miscellaneous Articles 0 0 0 0 1 1
432 Heating 0 0 1 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 0 0 0 0 1
501 Compositions: Ceramic 1 0 0 0 0 1
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 1 0 0 0 1
ALL ALL CLASSES 11 16 15 17 23 82



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