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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2009 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 187, Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle

( 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 2009 Total
OTIS ELEVATOR COMPANY 4 3 8 6 3 1 0 1 1 4 1 1 12 17 8 6 7 6 6 6 8 7 35 23 44 46 31 40 40 63 64 24 28 43 15 9 5 9 11 16 25 687
~INDIVIDUALLY OWNED PATENT 8 5 14 11 11 8 10 13 11 15 7 9 6 10 5 18 10 6 11 9 7 8 17 14 14 20 12 22 16 16 27 17 16 14 11 10 6 15 18 11 10 498
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 2 0 1 0 0 0 4 9 6 8 5 8 11 20 29 21 22 23 9 8 22 25 8 8 9 6 5 2 7 2 15 37 14 3 4 7 9 20 25 414
INVENTIO AG 0 1 0 1 0 1 1 0 1 0 1 2 3 4 1 0 1 3 5 5 7 11 7 6 7 9 9 7 13 11 22 16 15 24 15 15 18 27 25 38 23 355
WESTINGHOUSE ELECTRIC CORP. 3 13 14 5 15 19 11 3 24 19 10 2 6 11 5 16 13 5 16 17 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 229
HITACHI, LTD 1 0 1 5 3 6 4 6 8 7 3 0 4 5 3 2 2 1 2 4 5 2 6 2 6 5 3 0 0 0 1 0 0 6 1 1 1 3 0 1 1 111
KONE 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 1 2 2 10 8 5 3 8 8 9 13 28 97
TOSHIBA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 1 1 1 3 3 6 2 0 2 1 4 3 5 12 5 1 1 4 1 0 0 60
KONE OSAKEYHTIO 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 6 10 8 12 11 5 0 0 1 0 0 0 0 0 0 54
KONE ELEVATOR GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 5 2 6 6 4 5 6 2 0 0 0 0 0 0 0 0 0 0 0 0 0 40
RELIANCE ELECTRIC CO. 9 10 5 1 5 4 2 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 0 0 0 0 37
LG INDUSTRIAL SYSTEMS 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 1 3 1 2 12 6 6 1 0 0 0 1 0 0 0 33
TOWMOTOR CORPORATION 0 0 1 0 0 1 0 4 4 5 0 0 1 3 3 3 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
CLARK EQUIPMENT COMPANY, INC. 3 2 2 1 0 1 2 0 1 1 1 0 2 3 3 1 0 2 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27
DELAWARE CAPITAL FORMATION, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 1 1 0 1 1 1 3 0 0 1 0 2 1 2 1 0 0 0 0 21
TOSHIBA ELEVATOR KABUSHIKI KAISHA 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 1 5 4 4 2 19
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 2 2 1 1 0 1 0 0 1 0 0 0 1 1 3 1 0 0 1 0 0 0 0 0 18
THYSSEN ELEVATOR CAPITAL 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 0 0 0 0 0 0 1 3 1 2 3 3 3 1 17
MONTGOMERY ELEVATOR COMPANY 1 1 3 0 1 0 0 0 0 0 0 0 1 1 0 0 0 1 0 2 2 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
SUGIYASU INDUSTRIES CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 4 3 3 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
DOVER CORPORATION 1 2 1 1 1 0 2 2 0 0 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
RAYMOND CORPORATION 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1 2 1 0 13
ARMOR ELEVATOR COMPANY, INC. 1 0 1 0 0 1 1 7 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 12
CROWN EQUIPMENT CORPORATION, INC. 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 1 1 2 2 0 3 0 1 0 0 0 0 0 0 12
LINDE AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 2 0 0 0 2 0 0 0 0 1 0 0 0 2 0 0 12
CATERPILLAR INC. 0 0 0 0 0 0 0 0 4 0 0 2 0 1 2 1 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 11
LINDEN ALIMAK AB 0 0 0 0 0 1 3 2 1 1 1 0 0 0 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 11
ALLIS-CHALMERS CORPORATION 0 1 0 0 1 1 0 1 1 0 0 0 0 0 2 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
AUTOQUIP CORPORATION 0 3 0 0 1 2 2 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 1 0 0 0 0 0 0 0 10
EATON CORPORATION 1 1 0 2 0 0 0 1 1 0 0 1 1 0 1 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 10
JUNGHEINRICH AKTIENGESELLSCHAFT 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 1 0 1 0 0 3 3 0 10
ELEVATOR GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 2 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
CROWN CONTROLS CORPORATION 1 1 0 1 1 0 0 1 0 0 0 0 1 0 0 0 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 8
NISSAN MOTOR COMPANY, LIMITED 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 8
DAIFUKU 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 2 2 1 0 0 0 0 0 0 0 0 0 0 0 1 0 7
UNITED STATES ELEVATOR CORPORATION 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 7
UNITED TECHNOLOGIES CORPORATION 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 7
ADVANTAGE LIFT SYSTEMS, 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 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 6
CAPTIVATE NETWORK, 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 1 1 0 1 2 0 1 0 0 0 0 6
HARNISCHFEGER ENGINEERS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
MURATA KIKAI KABUSHIKI KAISHA 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 0 1 0 2 0 0 0 1 1 0 0 6
PFLOW 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 2 0 0 0 1 0 2 0 0 1 0 0 0 0 0 0 0 6
BUCHER HYDRAULICS AG 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 2 2 0 0 0 5
ELEVATORS PTY. LIMITED 0 1 0 0 1 0 0 1 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 0 0 0 0 0 5
FUJITEC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 5
GEBR. HOFMANN G.M.B.H. & CO., KG, MASCHINENFABRIK 0 0 0 0 1 0 0 1 0 2 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 0 5
GENIE 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 2 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 5
MANNESMANN AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 5
MITSUBISHI ELECTRIC RESEARCH LABORATORIES, 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 2 0 1 0 0 2 5
RICON CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SIECOR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
STANNAH STAIRLIFTS 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 1 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 5
THYSSENKRUPP ELEVATOR AG 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 1 1 1 2 0 5
WITTUR AG 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 0 1 2 0 0 1 0 0 5


PTMT Contacts

Questions regarding these reports should be directed to:

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

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

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selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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