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

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 100 92 83 91 83 449
GENERAL ELECTRIC COMPANY 54 105 74 54 67 354
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 31 34 23 33 24 145
TOYOTA JIDOSHA K.K. 26 23 24 30 34 137
MITSUBISHI HEAVY INDUSTRIES, LTD. 32 22 22 18 25 119
FORD GLOBAL TECHNOLOGIES, INC. 38 53 22 1 1 115
CATERPILLAR INC. 30 26 27 15 14 112
HITACHI, LTD 24 22 27 21 18 112
SIEMENS AKTIENGESELLSCHAFT 22 28 15 17 22 104
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 35 19 24 15 8 101
NISSAN MOTOR COMPANY, LIMITED 20 12 17 19 20 88
ROBERT BOSCH GMBH 12 13 14 16 32 87
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 23 39 23 85
HONEYWELL INTERNATIONAL INC. 6 14 16 26 19 81
UNITED TECHNOLOGIES CORPORATION 13 10 10 12 15 60
BOEING COMPANY 3 5 10 18 17 53
SIEMENS WESTINGHOUSE POWER CORPORATION 6 7 8 19 13 53
ROLLS-ROYCE PLC 11 9 9 11 10 50
HYDRO-GEAR LIMITED PARTNERSHIP 9 5 7 13 13 47
KOMATSU LTD. 18 5 10 4 8 45
PRATT & WHITNEY CANADA CORP. 11 2 12 10 9 44
ALSTOM TECHNOLOGY LTD 0 0 0 26 14 40
DENSO CORPORATION 6 4 6 7 14 37
POWER SYSTEMS MFG., LLC 1 9 5 10 12 37
SNECMA MOTEURS 3 3 11 12 8 37
ALSTOM (SWITZERLAND) LTD 0 13 15 3 0 31
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 4 3 4 11 9 31
DELPHI TECHNOLOGIES, INC. 5 5 7 6 7 30
ALLIED-SIGNAL INC. 20 8 0 1 0 29
GENERAL MOTORS CORPORATION 4 3 3 3 14 27
ISUZU MOTORS LIMITED 2 3 1 6 12 24
KANZAKI KOKYOKOKI MFG. CO., LTD. 7 7 6 2 1 23
LUCAS INDUSTRIES PUBLIC LTD. COMPANY 10 5 5 2 0 22
MAZDA MOTOR CORPORATION 6 6 3 5 2 22
ORMAT INDUSTRIES, LTD. 9 4 6 3 0 22
TOSHIBA CORPORATION 8 6 4 1 3 22
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 19 2 0 0 0 21
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 7 8 1 0 5 21
HITACHI CONSTRUCTION MACHINERY CO., LTD. 4 7 4 3 1 19
LOCKHEED MARTIN CORPORATION 2 8 4 2 3 19
UNITED STATES OF AMERICA, NAVY 2 5 7 2 2 18
CAPSTONE TURBINE CORPORATION 2 4 3 6 1 16
PARKER-HANNIFIN CORPORATION 3 1 2 4 6 16
SAUER-DANFOSS INC. 2 7 1 0 6 16
AISIN SEIKI KABUSHIKI KAISHA 2 8 3 2 0 15
ENGELHARD CORPORATION 5 4 3 2 1 15
HAMILTON SUNDSTRAND CORPORATION 5 3 2 2 3 15
HUSCO INTERNATIONAL, INC. 2 1 2 6 4 15
ASTRIUM GMBH 0 4 7 3 0 14
DAIMLERCHRYSLER CORPORATION 5 2 0 2 5 14
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG 1 2 4 4 3 14
ALLISON ADVANCED DEVELOPMENT COMPANY, INC. 0 6 6 1 0 13
ALM DEVELOPMENT, INC. 4 6 2 1 0 13
BOSCH BRAKING SYSTEMS CO., LTD. 2 6 4 1 0 13
DETROIT DIESEL CORPORATION 2 2 2 1 6 13
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 0 2 5 1 5 13
NEW POWER CONCEPTS LLC 2 1 4 2 4 13
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." 9 4 0 0 0 13
VOLKSWAGEN AKTIENGESELLSCHAFT 1 2 3 2 5 13
VOLVO AERO CORPORATION 3 2 2 2 4 13
BORGWARNER INC. 1 2 0 2 7 12
CUMMINS INC. 0 3 3 4 2 12
HYUNDAI MOTOR CO., LTD. 3 1 0 2 6 12
THE NORDAM GROUP, INC. 0 1 1 4 6 12
BOSCH REXROTH AG 0 0 6 1 4 11
ELLIOTT ENERGY SYSTEMS, INC. 1 1 0 6 3 11
FANTOM TECHNOLOGIES INC. 10 1 0 0 0 11
INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY, L.L.C. 0 3 2 3 3 11
OTKRYTOE AKTSIONERNOE OBSCHESTVO "NAUCHNO-PROIZVODSTVENNOE OBIEDINENIE "ENERGOMASH" IMONI AKADEMIKA KAKSOLMIKA V.P. GLUSHKO" 9 2 0 0 0 11
UNITED STATES OF AMERICA, AIR FORCE 2 3 4 0 2 11
ALLIANT TECHSYSTEMS INC. 0 2 3 4 1 10
ALSTOM 1 5 3 0 1 10
CLEAN ENERGY SYSTEMS, INC. 2 1 4 0 3 10
CUMMINS ENGINE CO., INC. 7 2 1 0 0 10
DEERE + COMPANY 0 1 4 2 3 10
NUOVO PIGNONE HOLDING S.P.A 0 3 0 5 2 10
ROBERT BOSCH CORPORATION 0 1 4 3 2 10
SOUTHWEST RESEARCH INSTITUTE 2 2 1 4 1 10
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 3 4 1 1 10
EMITEC GESELLSCHAFT FUR EMISSIONSTECHNOLOGIE MBH 0 3 4 1 1 9
J. M. VOITH TURBO GMBH & CO. KG 1 1 0 2 5 9
KOBELCO CONSTRUCTION MACHINERY CO., LTD. 1 1 3 3 1 9
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 2 0 6 0 1 9
MITSUBISHI DENKI KABUSHIKI KAISHA 2 1 4 2 0 9
RAMGEN POWER SYSTEMS, INC. 3 4 1 1 0 9
ROLLS-ROYCE CORPORATION 1 4 1 2 1 9
TECUMSEH PRODUCTS COMPANY 1 4 2 1 1 9
TRW INC. 5 1 3 0 0 9
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY 4 2 1 1 1 9
ARVIN TECHNOLOGIES, INC. 0 0 0 3 5 8
EATON CORPORATION 2 0 2 3 1 8
FLEETGUARD, INC. 0 1 1 4 2 8
INGERSOLL-RAND ENERGY SYSTEMS CORPORATION 0 1 3 1 3 8
MANNESMANN SACHS AG 5 1 2 0 0 8
POCLAIN HYDRAULICS INDUSTRIE 3 0 2 3 0 8
PORSCHE AG 1 0 3 2 2 8
TOKICO LTD. 2 1 2 1 2 8
VISTEON GLOBAL TECHNOLOGIES, INC. 1 1 1 5 0 8
VOLVO LASTVAGNAR AB 2 0 1 2 3 8
HY-PAT CORPORATION 0 1 1 4 1 7
KAWASAKI JUKOGYO KABUSHIKI KAISHA 1 1 4 0 1 7
MAGNETI MARELLI S.P.A. 3 3 1 0 0 7
MOOG INC. 1 2 0 0 4 7
AB VOLVO 3 2 0 0 1 6
AEROJET-GENERAL CORPORATION 0 0 3 3 0 6
BRUENINGHAUS HYDROMATIK GMBH 3 2 0 1 0 6
EBARA CORPORATION 3 1 0 1 1 6
FORD MOTOR COMPANY 5 0 1 0 0 6
GOODRICH PUMP AND ENGINE CONTROL SYSTEMS, INC. 0 0 0 5 1 6
HISPANO SUIZA SUISSE S.A. 0 0 1 3 2 6
HYDRO-THOMA LIMITED 0 3 1 2 0 6
INSTITUT FRANCAIS DU PETROLE 2 1 2 0 1 6
KALEX, INC. 0 0 0 2 4 6
MANNESMANN REXROTH AG 2 4 0 0 0 6
MITSUBISHI FUSO TRUCK AND BUS CORPORATION 0 0 2 3 1 6
PEUGEOT CITROEN AUTOMOBILES S.A. 0 3 0 2 1 6
PRAXAIR TECHNOLOGY, INC. 1 2 2 0 1 6
SHIN CATERPILLAR MITSUBISHI LTD. 1 3 0 2 0 6
ABB RESEARCH LTD. 5 0 0 0 0 5
ADVICS CO., LTD. 0 0 0 2 3 5
AEROSPACE CORPORATION 0 0 0 2 3 5
AUDI AG 0 0 1 3 1 5
AUTOMOTIVE PRODUCTS (U.S.A.) INC. 1 1 2 1 0 5
BAYERISCHE MOTOREN WERKE AG 2 0 0 1 2 5
FEV MOTORENTECHNIK GMBH & CO. KG 3 0 1 0 1 5
HOERBIGER HYDRAULIK GMBH 2 3 0 0 0 5
HOLSET ENGINEERING COMPANY LIMITED 0 1 1 1 2 5
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 1 2 2 0 5
NISSIN KOGYO CO., LTD. 1 1 1 0 2 5
OSAKA GAS COMPANY, LIMITED 0 0 0 3 2 5
SILVERBROOK RESEARCH PTY. LTD 0 0 1 2 2 5
TUFF TORQ CORPORATION 0 1 3 1 0 5
UMICORE AG & CO. KG 0 0 1 2 2 5
VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB 0 0 0 1 4 5
ZYVEX CORPORATION 0 0 0 4 1 5


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