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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

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' )

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
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 5 2 2 3 13
433 Dentistry 3 0 3 2 0 8
227 Elongated-Member-Driving Apparatus 0 3 0 0 3 6
532 Organic Compounds (includes Classes 532-570) 1 2 2 1 0 6
123 Internal-Combustion Engines 0 0 0 2 2 4
173 Tool Driving or Impacting 0 0 3 0 0 3
210 Liquid Purification or Separation 1 1 0 0 1 3
359 Optics: Systems (Including Communication) and Elements 1 0 1 1 0 3
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 0 1 1 0 3
427 Coating Processes 0 0 0 1 2 3
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 2 0 2
324 Electricity: Measuring and Testing 0 1 0 0 1 2
356 Optics: Measuring and Testing 0 0 0 2 0 2
403 Joints and Connections 0 0 1 0 1 2
414 Material or Article Handling 0 0 0 0 2 2
604 Surgery (Medicators and Receptors) 0 0 1 1 0 2
029 Metal Working 1 0 0 0 0 1
053 Package Making 0 0 0 0 1 1
073 Measuring and Testing 0 0 1 0 0 1
089 Ordnance 0 0 0 1 0 1
106 Compositions: Coating or Plastic 0 1 0 0 0 1
125 Stone Working 1 0 0 0 0 1
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 1 0 1
165 Heat Exchange 0 0 1 0 0 1
175 Boring or Penetrating the Earth 0 0 0 1 0 1
188 Brakes 0 0 1 0 0 1
204 Chemistry: Electrical and Wave Energy 0 0 0 1 0 1
242 Winding, Tensioning, or Guiding 0 0 0 1 0 1
244 Aeronautics 1 0 0 0 0 1
250 Radiant Energy 0 0 0 1 0 1
270 Sheet-Material Associating 1 0 0 0 0 1
280 Land Vehicles 0 0 0 0 1 1
312 Supports: Cabinet Structure 1 0 0 0 0 1
313 Electric Lamp and Discharge Devices 1 0 0 0 0 1
358 Facsimile and Static Presentation Processing 0 0 0 1 0 1
405 Hydraulic and Earth Engineering 1 0 0 0 0 1
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 1 0 0 0 1
428 Stock Material or Miscellaneous Articles 0 0 0 1 0 1
432 Heating 0 1 0 0 0 1
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1 0 0 0 0 1
ALL ALL CLASSES 16 15 17 23 17 88


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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