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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 1998 - 2002 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 034, Drying and Gas or Vapor Contact with Solids

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant
First-Named Assignee 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 59 75 77 51 49 311
VOITH SULZER PAPIERMASCHINEN GMBH 19 12 9 2 0 42
VALMET CORP. 10 16 13 2 0 41
HITACHI, LTD 1 1 6 6 16 30
APPLIED MATERIALS, INC. 1 3 0 7 5 16
TOKYO ELECTRON LIMITED 0 4 5 3 4 16
VOITH SULZER PAPIERTECHNIK PATENT GMBH 0 0 4 3 8 15
BELOIT TECHNOLOGIES, INC. 1 10 3 0 0 14
METSO PAPER, INC. 0 0 0 7 6 13
PROCTER + GAMBLE COMPANY 0 0 4 3 4 11
SEMITOOL, INC. 2 1 1 3 4 11
ANDRITZ-PATENTVERWALTUNGS-GESELLSCHAFT M.B.H. 1 5 2 0 1 9
FFI CORPORATION 0 0 7 2 0 9
SAMSUNG ELECTRONICS CO., LTD. 0 2 4 0 3 9
MARQUIP INC. 3 3 2 0 0 8
MAYTAG CORPORATION 1 0 4 1 2 8
WESTINGHOUSE AIR BRAKE COMPANY 1 4 3 0 0 8
EASTMAN KODAK COMPANY 0 0 4 1 2 7
GENERAL ELECTRIC COMPANY 1 1 3 0 2 7
INSTITUTE OF PAPER SCIENCE AND TECHNOLOGY, INC. 3 1 0 2 1 7
EBARA CORPORATION 2 1 0 3 0 6
ENDOLINE% MEGTEC SYSTEMS, INC. 0 2 2 2 0 6
ASEA BROWN BOVERI INC. 2 0 2 0 1 5
ASM AMERICA, INC. 0 0 3 1 1 5
NIRO A/S 1 0 2 1 1 5
OPTIMUM AIR CORPORATION 2 2 1 0 0 5
PROTO-VEST, INC. 0 3 1 1 0 5
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 0 0 1 1 3 5
WENGER MANUFACTURING CO. INC. 2 0 0 1 2 5
WHITE CONSOLIDATED INDUSTRIES, INC. 4 1 0 0 0 5


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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