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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 060, Power Plants

( 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 98 89 83 103 93 121 106 146 148 137 94 147 99 97 104 89 98 87 105 96 85 64 68 74 88 60 56 60 69 82 85 91 100 92 83 91 82 115 63 3648
GENERAL ELECTRIC COMPANY 12 20 16 22 28 22 17 18 19 14 12 17 30 12 14 18 9 13 6 13 24 33 27 53 81 91 35 34 34 32 22 25 54 105 74 54 67 76 56 1309
UNITED TECHNOLOGIES CORPORATION 13 18 17 17 13 17 10 23 22 12 20 14 18 11 15 16 15 15 16 24 25 12 27 30 33 28 30 22 15 22 17 18 13 10 10 12 15 31 17 713
TOYOTA JIDOSHA K.K. 0 0 0 0 6 8 15 17 15 20 30 20 11 3 9 6 4 3 11 18 16 9 9 22 14 19 26 5 6 40 32 23 26 23 24 30 34 37 30 621
GENERAL MOTORS CORPORATION 16 8 18 20 30 36 50 41 18 10 12 26 18 15 19 14 11 2 11 5 8 10 14 8 10 11 6 5 8 12 6 5 4 3 3 3 14 18 7 535
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 1 1 0 0 1 1 3 6 14 4 3 1 3 4 19 11 2 5 9 13 41 9 7 13 13 19 13 19 23 19 15 31 34 23 33 24 23 17 477
ROLLS-ROYCE PLC 24 25 20 9 4 5 6 7 8 8 5 16 9 10 14 17 15 11 9 16 12 8 12 20 5 6 13 8 12 8 10 14 11 9 9 11 10 18 13 447
NISSAN MOTOR COMPANY, LIMITED 0 0 2 5 10 9 9 14 22 31 18 11 12 9 15 13 11 9 17 10 6 6 5 6 6 9 3 3 7 9 3 9 20 12 17 19 20 32 16 435
CATERPILLAR INC. 5 2 6 4 6 7 13 25 14 21 9 11 7 15 5 6 2 3 2 2 3 1 5 6 10 3 8 15 7 13 10 17 30 26 27 15 14 9 25 409
HITACHI, LTD 0 0 1 0 3 1 3 7 1 4 0 6 5 10 0 11 11 10 12 7 6 8 9 8 10 11 11 11 10 16 13 9 24 22 27 21 18 38 10 374
ROBERT BOSCH GMBH 0 0 7 4 4 9 8 10 5 4 2 6 3 2 4 3 3 5 7 6 5 3 5 4 11 5 4 5 6 10 7 11 12 13 14 16 32 27 11 293
WESTINGHOUSE ELECTRIC CORP. 2 3 1 10 11 6 10 30 13 9 14 10 12 8 4 6 10 7 5 3 15 12 5 13 9 7 13 10 7 10 3 0 0 0 0 0 0 0 0 278
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." 6 5 5 4 4 3 6 7 4 3 2 4 6 1 3 6 7 4 4 12 10 5 8 12 13 22 12 11 11 9 6 9 9 4 0 0 0 0 5 242
SUNDSTRAND CORPORATION 1 2 4 2 3 3 1 3 2 2 2 1 0 2 1 5 1 6 9 7 20 35 38 45 23 14 2 2 2 2 1 0 0 0 0 0 0 0 0 241
ALLIED-SIGNAL INC. 0 0 0 0 0 0 1 0 1 1 1 3 0 0 0 0 9 9 9 17 11 15 19 18 21 19 9 5 8 7 6 14 20 8 0 1 0 0 0 232
SIEMENS AKTIENGESELLSCHAFT 0 1 0 0 2 0 3 0 0 0 0 0 0 0 0 0 0 0 1 0 2 2 2 3 3 7 2 3 8 5 22 24 22 28 15 17 22 20 7 221
LUCAS INDUSTRIES PUBLIC LTD. COMPANY 11 14 15 9 9 4 2 13 5 5 1 6 7 2 5 8 7 2 8 5 7 3 1 3 3 4 2 1 2 5 2 2 10 5 5 2 0 0 0 195
FORD GLOBAL 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 0 0 0 0 5 17 21 13 38 53 22 1 1 0 0 171
BOEING COMPANY 1 1 4 0 1 3 1 2 3 6 3 8 6 1 1 4 1 3 6 3 5 3 2 6 5 0 4 2 5 6 3 2 3 5 10 18 16 8 4 165
FORD MOTOR COMPANY 7 4 6 1 4 6 3 5 6 7 1 8 0 0 4 0 3 1 4 2 2 2 1 8 8 22 23 15 5 0 0 1 5 0 1 0 0 0 0 165
MITSUBISHI HEAVY 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 1 0 0 0 0 0 1 9 17 32 22 22 18 25 9 5 161
AISIN SEIKI KABUSHIKI KAISHA 0 3 1 3 3 4 1 5 4 3 3 1 4 1 5 10 5 6 9 7 4 4 7 13 4 4 5 4 3 1 6 4 2 8 3 2 0 2 0 154
UNITED STATES OF AMERICA, NAVY 8 4 7 11 10 8 10 11 9 5 2 5 2 3 0 7 3 1 2 1 1 2 6 0 3 5 2 1 0 1 1 1 2 5 7 2 2 0 1 151
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23 39 23 43 20 148
DAIMLER-CHRYSLER 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 4 17 35 19 24 15 8 11 12 145
DAIMLER-BENZ AKTIENGESELLSCHAFT 4 2 4 2 10 3 4 7 2 4 1 5 6 4 3 4 0 2 8 3 5 6 5 5 4 6 4 4 5 12 8 1 0 0 0 0 0 0 0 143
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 3 5 13 6 8 3 3 4 7 10 2 6 2 1 3 4 3 2 0 2 3 1 2 2 4 4 2 1 1 0 3 3 7 8 1 0 5 0 0 134
HONEYWELL INTERNATIONAL 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 6 14 16 26 19 25 23 129
UNITED STATES OF AMERICA, AIR FORCE 1 5 6 3 3 7 5 5 2 8 3 5 1 3 4 5 5 5 2 2 10 4 3 4 5 2 0 2 0 1 2 1 2 3 4 0 2 0 0 125
BENDIX CORPORATION (NOW ALLIED-SIGNAL INC.) 9 12 8 17 9 5 11 4 5 6 4 3 4 4 6 11 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 124
MAZDA MOTOR CORPORATION 0 1 1 8 4 2 4 2 0 1 2 4 0 1 3 3 0 6 3 5 1 3 9 4 9 6 4 1 0 2 2 2 6 6 3 5 2 3 0 118
HITACHI CONSTRUCTION MACHINERY CO., LTD. 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 4 5 3 1 3 2 4 7 15 7 8 9 4 2 3 4 2 4 7 4 3 1 4 3 111
EATON CORPORATION 2 4 3 2 2 7 7 5 8 4 4 7 1 4 0 1 2 1 3 1 2 4 1 4 2 2 2 0 1 1 1 1 2 0 2 3 1 6 7 110
MORTON THIOKOL, INC. 24 9 5 4 6 2 3 3 2 1 0 0 1 2 3 2 4 0 1 3 8 2 5 2 1 5 1 3 4 3 0 0 0 0 0 0 0 0 0 109
MOTOREN-UND TURBINEN-UNION MUNCHEN GMBH 0 0 3 6 8 2 12 4 6 0 4 5 2 0 0 2 2 2 1 7 5 5 8 9 3 5 1 2 0 1 0 0 2 0 0 0 0 0 0 107
GARRETT CORPORATION 5 2 4 2 4 2 4 5 6 7 2 5 13 5 4 8 11 5 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 102
HYDRO-GEAR LIMITED PARTNERSHIP 0 0 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 4 2 2 1 3 9 5 7 13 13 20 17 97
UNITED STATES OF AMERICA, ARMY 7 4 5 7 11 8 2 7 9 6 0 1 1 2 2 1 1 2 3 0 1 0 1 4 0 1 2 0 1 0 0 0 0 0 0 0 1 1 1 92
BBC BROWN, BOVERI & COMPANY, LIMITED 0 0 0 0 0 1 4 1 3 5 7 6 12 8 9 4 7 7 4 11 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90
AVCO CORPORATION 3 5 10 4 7 5 3 2 3 2 8 4 3 0 1 3 2 1 4 1 6 3 0 1 4 1 1 0 0 0 0 0 0 0 0 0 0 0 0 87
DENSO 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 2 0 4 6 4 6 7 14 19 21 83
PRATT & WHITNEY CANADA 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 8 11 2 12 10 9 19 12 83
TOSHIBA CORPORATION 0 0 0 0 0 0 0 0 0 0 1 0 0 0 6 3 3 2 0 6 1 1 1 1 1 2 2 1 2 6 6 9 8 6 4 1 3 6 1 83
SIEMENS WESTINGHOUSE POWER 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 11 13 6 7 8 19 13 5 0 82
DEERE + COMPANY 1 2 0 1 3 2 1 7 2 1 2 2 1 1 1 6 3 1 2 3 2 1 1 0 4 1 3 0 0 2 1 0 0 1 4 2 3 8 6 81
ISUZU MOTORS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 8 10 6 6 5 0 1 2 0 1 0 0 0 2 3 1 6 12 8 6 80
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 0 0 0 0 1 1 0 2 4 1 1 0 1 0 0 0 1 2 0 2 4 2 1 3 0 2 2 0 2 3 0 3 4 3 4 11 9 3 4 76
KABUSHIKI KAISHA KOMATSU SEISAKUSHO 0 2 0 2 0 1 1 0 6 2 1 2 0 5 4 5 6 4 4 0 0 1 1 4 4 8 3 5 3 1 0 0 0 0 0 0 0 0 0 75
KOMATSU 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 1 1 1 3 2 9 4 18 5 10 4 8 8 1 75
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 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 0 1 0 12 16 8 14 19 2 0 0 0 0 0 74
NIPPONDENSO CO., LTD. 1 0 0 1 2 2 2 1 1 2 3 1 5 2 0 0 1 2 3 1 0 0 0 5 3 6 7 8 5 8 1 0 0 0 0 0 0 0 0 73
ALSTOM TECHNOLOGY 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 26 14 22 9 71
KANZAKI KOKYUKOKI MFG. CO. LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 5 3 3 2 5 5 3 2 7 2 2 7 7 6 2 1 0 2 68
ROCKWELL INTERNATIONAL CORPORATION 6 3 1 1 3 3 2 1 0 1 2 0 2 1 1 0 3 3 6 12 1 2 2 2 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 62
LINDE AKTIENGESELLSCHAFT 0 0 0 5 1 0 1 1 1 0 3 0 0 1 2 4 8 3 3 6 1 1 0 3 1 2 3 1 2 0 0 2 2 0 0 2 0 1 0 60
SNECMA MOTEURS 0 0 0 0 0 0 0 0 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 3 11 12 8 12 11 60
TRW INC. 6 4 5 5 2 2 1 2 0 0 0 2 0 1 0 3 1 1 3 0 0 0 1 1 2 1 1 1 2 2 0 2 5 1 3 0 0 0 0 60
U.S. PHILIPS CORPORATION 2 6 3 3 3 16 6 2 6 5 3 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 59
MITSUBISHI DENKI KABUSHIKI KAISHA 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 4 1 2 1 0 2 1 2 10 4 5 1 2 0 2 1 4 2 0 4 5 58
NIPPON SOKEN, INC. 0 0 0 0 0 0 0 0 2 3 3 8 1 2 6 11 6 1 1 0 0 0 0 1 0 1 0 1 2 2 1 1 0 0 0 0 0 0 1 54
ORMAT 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 2 3 13 7 4 3 9 4 6 3 0 0 0 54
MANNESMANN REXROTH GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 5 8 7 5 3 5 5 3 1 2 3 2 2 0 0 0 0 0 0 0 0 52
MOTOREN-UND TURBINEN-UNION FRIEDRICHSHAFEN GMBH 0 3 1 1 1 0 1 0 1 2 0 2 2 0 4 5 3 2 3 1 2 1 2 2 1 3 3 1 1 1 0 0 0 0 0 0 0 0 2 51
MECHANICAL TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 5 18 9 3 5 3 1 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48
PORSCHE AG 2 1 0 0 0 1 0 2 1 1 0 2 2 0 2 0 1 3 2 5 1 1 1 2 1 2 0 1 1 1 0 1 1 0 3 2 2 0 0 45
POWER SYSTEMS MFG., LLC 0 0 0 0 0 0 0 0 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 9 5 10 12 5 3 45
SOLAR TURBINES INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 3 2 0 0 2 1 0 1 3 2 6 6 0 4 4 4 2 1 0 1 0 0 0 0 45
CUMMINS ENGINE CO., INC. 0 0 0 0 0 0 0 0 1 0 3 1 2 2 1 1 3 1 0 0 0 1 3 5 1 0 4 0 3 1 0 1 7 2 1 0 0 0 0 44
GIRLING LIMITED 2 1 4 4 3 2 6 3 3 1 2 5 2 3 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 44
ZAHNRADFABRIK FRIEDRICHSHAFEN AG 0 1 1 0 2 1 1 0 1 3 2 5 0 6 3 3 3 0 1 0 0 0 3 0 1 0 0 0 0 1 1 0 0 0 0 0 1 2 2 44
ITT INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 1 2 5 4 6 4 8 5 6 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 43
NAVISTAR INTERNATIONAL TRANSPORTATION CORP. 4 2 0 5 2 3 1 6 1 1 5 3 0 2 2 0 0 0 1 1 0 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 43
TEXACO INC. 0 0 0 3 5 0 3 0 1 3 3 4 2 3 3 0 0 0 0 0 0 0 0 2 2 3 1 0 0 0 0 1 1 0 3 0 0 0 0 43
DELPHI 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 0 0 0 0 0 0 0 0 5 5 7 6 7 6 6 42
AEROJET-GENERAL CORPORATION 1 3 7 2 1 1 6 0 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 0 3 1 0 1 1 1 1 0 0 0 3 3 0 0 2 41
MESSERSCHMITT-BOLKOW-BLOHM GMBH 0 0 6 3 4 8 2 2 1 2 1 0 0 0 3 5 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 40
PARKER-HANNIFIN CORPORATION 2 0 0 1 2 2 3 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 1 1 1 1 0 2 3 1 2 4 6 2 1 40
ENGELHARD CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 2 0 1 1 3 0 6 5 5 4 3 2 1 4 0 39
SULZER BROTHERS LTD. 5 3 1 0 2 3 6 4 1 1 0 4 1 0 0 1 0 3 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 38
AB VOLVO 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 5 0 2 2 0 2 1 1 0 0 0 1 0 1 4 4 7 3 2 0 0 1 0 0 37
DANFOSS A/S 3 2 2 0 0 2 0 0 0 2 1 1 1 0 1 1 5 1 3 2 0 1 1 0 1 0 1 1 0 1 1 1 1 0 1 0 0 0 0 37
JIDOSHA KIKI CO. LTD. 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 3 0 3 2 1 2 2 1 2 4 2 3 0 0 5 3 1 0 0 0 0 0 0 37
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 0 0 0 0 1 0 0 0 1 0 0 1 0 2 1 0 1 0 1 3 7 4 2 1 1 1 1 0 1 2 3 0 0 0 1 1 0 0 1 37
KOMMANDITBOLAGET UNITED STIRLING (SWEDEN) AB CO. 0 0 0 0 0 16 7 1 1 3 0 1 4 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 36
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 1 1 1 1 0 3 1 0 1 1 1 1 6 1 1 0 0 1 1 0 0 1 2 0 0 2 0 0 3 0 1 0 2 0 0 1 1 1 36
KAWASAKI JUKOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 4 0 0 0 1 0 1 0 2 1 0 0 2 1 0 0 1 3 1 0 0 1 0 1 1 4 0 1 7 3 35
UNISYS CORPORATION 2 1 2 1 2 1 6 4 2 1 0 1 0 3 4 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
LOCKHEED MARTIN 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 3 2 2 2 4 2 8 4 2 3 0 1 33
ROHR INDUSTRIES INC. 0 5 8 4 5 2 0 1 0 0 0 0 1 0 1 0 1 0 0 0 0 0 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
ALSTOM (SWITZERLAND) 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 13 15 3 0 1 0 32
SOCIETE HISPANO-SUIZA AEROSTRUCTURES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0