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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 - 2007 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 014, Bridges

( 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 Total
~INDIVIDUALLY OWNED PATENT 6 10 10 17 8 13 9 6 8 12 3 2 6 7 8 5 10 6 18 8 11 8 11 4 8 12 15 15 10 10 17 6 7 15 10 17 7 10 16 381
KELLEY COMPANY, INC. 1 2 3 3 0 0 3 3 2 3 0 0 0 2 3 1 2 1 3 1 0 2 0 0 1 1 6 4 3 2 1 1 3 2 2 3 0 0 0 64
DEW ENGINEERING AND DEVELOPMENT LIMITED 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 2 10 4 4 1 22
UNITED DOMINION INDUSTRIES, 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 4 0 4 3 2 1 3 1 2 0 0 0 20
RITE-HITE CORPORATION 0 0 0 0 1 0 0 0 0 1 0 0 2 1 1 0 1 1 0 1 0 1 2 1 1 2 2 1 0 0 0 0 0 0 0 0 0 0 0 19
SERCO CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 1 4 0 2 2 2 0 0 0 0 0 0 0 0 0 0 0 17
RITE-HITE HOLDING CORPORATION 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 2 1 3 1 0 4 2 16
DYCKERHOFF + WIDMANN AKTIENGESELLSCHAFT 2 0 1 1 0 0 0 0 0 2 0 0 0 1 0 1 1 1 3 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 14
OVERHEAD DOOR CORPORATION 0 0 0 1 0 1 2 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 3 1 2 0 0 0 0 0 14
PORSCHE AG 1 2 1 0 1 0 0 2 3 0 0 0 2 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 13
SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 2 0 1 0 0 1 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 11
KRUPP FORDERTECHNIK 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 4 4 0 1 1 0 0 0 0 0 0 0 0 10
LOOMIS MACHINE COMPANY 3 3 3 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 0 0 0 0 10
FREYSSINET INTERNATIONAL (STUP) 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 0 3 2 0 2 0 9
SPX DOCK PRODUCTS 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 0 0 0 3 5 1 9
KOBER AG 0 0 0 1 0 2 0 1 1 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
WOLLARD AIRCRAFT EQUIPMENT, INC. 4 0 1 0 0 0 0 0 0 0 0 0 0 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 8
DOCK LEVELER MANUFACTURING, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 7
KLOCKNER-HUMBOLDT-DEUTZ AKTIENGESELLSCHAFT 0 1 0 1 1 2 2 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 7
MAN GUTEHOFFNUNGSHUTTE AG 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 2 1 0 1 1 0 0 0 0 0 0 0 0 0 7
BOOTHE AIRSIDE SERVICES, INC. 0 0 1 5 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 6
DORNIER G.M.B.H. 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 0 1 0 0 0 0 0 2 0 0 0 0 0 6
MANGONE ENTERPRISES 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 3 0 1 0 0 0 0 0 0 0 6
UNITED STATES OF AMERICA, ARMY 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
WOODFORD MANUFACTURING COMPANY 1 0 1 0 1 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
AVIOLANDA MAALSCHAPPIJ VOOR VLIEGTUIGHOUW N.V. 1 0 4 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 0 5
CONSTRUCTIONS INDUSTRIELLES DE LA MEDITERRANEE CNIM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 5
FIGG AND MULLER ENGINEERS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
KRUPP INDUSTRIETECHNIK GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 5
REYNOLDS METALS COMPANY 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 2 1 0 0 0 0 0 0 0 5
T + S EQUIPMENT COMPANY 1 2 0 0 0 1 0 0 0 0 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 0 0 0 5


PTMT Contacts

Questions regarding these reports should be directed to:

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

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/

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