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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 - 2011 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 2010 2011 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 23 27 737
~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 6 6 510
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 33 26 473
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 32 21 408
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 0 0 229
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 19 18 134
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 2 0 113
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 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 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 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 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 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 0 0 31
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 3 6 28
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 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 0 0 21
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 1 1 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 0 0 18
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 0 0 16
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 0 2 15
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 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 0 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 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 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 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 0 0 11
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 1 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 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 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 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 0 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 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 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 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 0 0 7
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 1 1 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 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 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 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 0 1 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 0 0 6
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 0 1 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 0 0 6
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 1 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 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 0 0 6
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 0 0 5
GANNETT SATELLITE INFORMATION 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 0 0 0 0 0 0 0 1 2 0 0 0 2 5
GEBRUDER HOFMANN GMBH & 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 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 0 0 5
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 1 1 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 0 0 5
MASCHINENBAU HALDENWANG GMBH & CO. KG 0 0 0 0 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 2 1 0 0 0 0 1 5
OTTO NUSSBAUM GMBH & CO. KG 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 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 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 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 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 0 0 5
THE PEELLE COMPANY 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 0 0 1 2 1 0 0 1 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 0 0 5


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