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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 1969 - 2004 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 492, Roll or Roller

( 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 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 2 5 8 7 5 5 3 2 3 7 2 4 5 6 2 2 1 3 3 2 4 3 1 1 5 2 8 3 6 5 5 3 1 1 2 3 130
ESCHER WYSS LIMITED 0 0 0 0 0 1 2 5 6 4 1 5 9 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39
BELOIT CORPORATION 2 0 5 1 3 2 1 1 0 0 0 0 0 0 0 0 1 1 2 0 4 2 2 3 0 0 0 0 0 0 0 0 0 0 0 0 30
EDUARD KUSTERS MASCHINENFABRIK GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 4 2 5 1 0 0 0 0 2 4 2 0 1 2 0 25
VALMET CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 2 6 2 4 3 0 0 22
XEROX CORPORATION 1 2 0 0 0 1 1 5 2 2 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 1 0 2 0 0 22
J. M. VOITH GMBH 1 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 0 2 4 0 0 0 2 2 1 4 0 1 0 0 0 0 0 0 0 0 21
VALMET OY 0 0 0 0 0 0 0 0 1 3 0 0 1 1 0 1 0 1 0 5 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
METSO PAPER, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 7 15
KLEINEWEFERS INDUSTRIE COMPANIE GMBH 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 1 4 2 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 14
VOITH SULZER PAPIERMASCHINEN GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 7 1 2 0 0 0 0 14
EASTMAN KODAK COMPANY 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 1 1 1 2 1 0 0 1 1 0 13
VOITH SULZER PAPIERTECHNIK PATENT GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 6 3 0 13
VALMET PAPER MACHINERY INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 1 1 2 1 0 0 0 0 0 0 0 0 12
AMERICAN ROLLER COMPANY, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 2 1 2 0 0 1 2 0 11
TOKAI RUBBER INDUSTRIES, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 3 3 2 0 1 11
VOITH SULZER FINISHING GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 5 2 1 0 0 0 0 11
HITACHI METALS LTD. 0 0 0 0 1 0 0 1 0 1 0 0 1 0 0 0 0 0 0 2 0 1 0 0 0 0 0 2 0 0 0 0 0 0 0 0 9
SCHWABISCHE HUTTENWERKE GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 1 0 0 0 0 0 1 1 0 1 0 1 0 0 9
BELOIT TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 3 3 0 0 0 0 0 8
SULZER-ESCHER WYSS AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 4 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 8
SULZER-ESCHER WYSS GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 1 3 0 0 0 0 0 0 0 0 0 8
DAYCO CORPORATION 0 0 1 2 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
MINNESOTA MINING AND MANUFACTURING COMPANY 0 0 0 0 2 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 7
U.S.M. CORPORATION 0 0 2 0 0 1 0 0 2 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
ESCHER WYSS AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
HITACHI, LTD 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 6
KAWASAKI STEEL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 1 0 1 0 0 1 0 6
KINYOSHA COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 0 0 1 0 0 1 0 0 0 6
NITTO KOGYO CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 2 6
S W INDUSTRIES, INC. 2 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 6
SHIN-ETSU POLYMER CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 2 1 0 6
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 6
VOITH PAPER PATENT GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 6
CLECIM S. A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 5
MORGAN CONSTRUCTION COMPANY 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 5
SANDVIK AKTIEBOLAG 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 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
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

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fax: (571) 273-0110
email: oeip@uspto.gov

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