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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 2000 - 2004 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 2000 2001 2002 2003 2004 Total
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 2 2 3 3 2 12
227 Elongated-Member-Driving Apparatus 0 0 3 1 5 9
433 Dentistry 3 2 0 0 0 5
123 Internal-Combustion Engines 0 2 2 0 0 4
173 Tool Driving or Impacting 3 0 0 0 1 4
204 Chemistry: Electrical and Wave Energy 0 1 0 1 2 4
356 Optics: Measuring and Testing 0 2 0 1 1 4
427 Coating Processes 0 1 2 1 0 4
532 Organic Compounds (includes Classes 532-570) 2 1 0 0 1 4
210 Liquid Purification or Separation 0 0 1 1 1 3
359 Optics: Systems and Elements 1 1 0 1 0 3
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 1 0 0 1 3
029 Metal Working 0 0 0 0 2 2
175 Boring or Penetrating the Earth 0 1 0 1 0 2
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 2 0 0 0 2
280 Land Vehicles 0 0 1 1 0 2
403 Joints and Connections 1 0 1 0 0 2
414 Material or Article Handling 0 0 2 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 0 2 2
604 Surgery (Medicators and Receptors) 1 1 0 0 0 2
053 Package Making 0 0 1 0 0 1
072 Metal Deforming 0 0 0 1 0 1
073 Measuring and Testing 1 0 0 0 0 1
089 Ordnance 0 1 0 0 0 1
104 Railways 0 0 0 0 1 1
106 Compositions: Coating or Plastic 0 0 0 1 0 1
118 Coating Apparatus 0 0 0 1 0 1
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 1 0 0 0 1
165 Heat Exchange 1 0 0 0 0 1
188 Brakes 1 0 0 0 0 1
216 Etching a Substrate: Processes 0 0 0 0 1 1
242 Winding, Tensioning, or Guiding 0 1 0 0 0 1
250 Radiant Energy 0 1 0 0 0 1
324 Electricity: Measuring and Testing 0 0 1 0 0 1
358 Facsimile and Static Presentation Processing 0 1 0 0 0 1
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 0 0 0 1 0 1
428 Stock Material or Miscellaneous Articles 0 1 0 0 0 1
473 Games Using Tangible Projectile 0 0 0 0 1 1
ALL ALL CLASSES 17 23 17 15 21 93


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
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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