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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2008 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 2005 2006 2007 2008 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 0 2 0 0 132
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 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 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 0 0 0 0 25
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 0 0 0 1 23
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 0 0 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 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 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 0 1 1 0 17
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 1 1 0 0 15
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 4 2 2 1 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 0 0 0 0 14
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 2 0 1 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 0 0 0 0 14
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 1 0 0 0 14
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 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 0 0 0 0 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 0 0 0 0 11
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 1 0 0 0 10
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 0 0 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 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 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 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 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 0 0 0 0 7
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 1 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 0 0 0 0 7
CANON KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 1 6
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 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 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 0 0 0 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 0 0 0 0 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 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 0 0 0 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 0 0 0 0 6
SUMITOMO 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 0 0 0 0 0 0 0 1 0 1 2 2 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 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 0 0 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 0 0 0 0 5


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Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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email: oeip@uspto.gov

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