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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 2000 - 2004 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 91 100 92 83 91 457
GENERAL ELECTRIC COMPANY 25 54 105 74 54 312
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 15 31 34 23 33 136
FORD GLOBAL TECHNOLOGIES, INC. 13 38 53 22 1 127
TOYOTA JIDOSHA K.K. 23 26 23 24 30 126
CATERPILLAR INC. 17 30 26 27 15 115
MITSUBISHI HEAVY INDUSTRIES, LTD. 17 32 22 22 18 111
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 17 35 19 24 15 110
SIEMENS AKTIENGESELLSCHAFT 24 22 28 15 17 106
HITACHI, LTD 9 24 22 27 21 103
NISSAN MOTOR COMPANY, LIMITED 9 20 12 17 19 77
ROBERT BOSCH GMBH 11 12 13 14 16 66
UNITED TECHNOLOGIES CORPORATION 18 13 10 10 12 63
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 0 23 39 62
HONEYWELL INTERNATIONAL INC. 0 6 14 16 26 62
ROLLS-ROYCE PLC 14 11 9 9 11 54
SIEMENS WESTINGHOUSE POWER CORPORATION 13 6 7 8 19 53
ALLIED-SIGNAL INC. 14 20 8 0 1 43
PRATT & WHITNEY CANADA CORP. 8 11 2 12 10 43
KOMATSU LTD. 4 18 5 10 4 41
BOEING COMPANY 2 3 5 10 18 38
HYDRO-GEAR LIMITED PARTNERSHIP 3 9 5 7 13 37
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 14 19 2 0 0 35
ALSTOM (SWITZERLAND) LTD 0 0 13 15 3 31
SNECMA MOTEURS 0 3 3 11 12 29
TOSHIBA CORPORATION 9 8 6 4 1 28
DENSO CORPORATION 4 6 4 6 7 27
ALSTOM TECHNOLOGY LTD 0 0 0 0 26 26
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 3 4 3 4 11 25
ORMAT INDUSTRIES, LTD. 3 9 4 6 3 25
POWER SYSTEMS MFG., LLC 0 1 9 5 10 25
KANZAKI KOKYOKOKI MFG. CO., LTD. 2 7 7 6 2 24
LUCAS INDUSTRIES PUBLIC LTD. COMPANY 2 10 5 5 2 24
DELPHI TECHNOLOGIES, INC. 0 5 5 7 6 23
MAZDA MOTOR CORPORATION 2 6 6 3 5 22
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." 9 9 4 0 0 22
CAPSTONE TURBINE CORPORATION 5 2 4 3 6 20
HITACHI CONSTRUCTION MACHINERY CO., LTD. 2 4 7 4 3 20
LOCKHEED MARTIN CORPORATION 4 2 8 4 2 20
AISIN SEIKI KABUSHIKI KAISHA 4 2 8 3 2 19
ENGELHARD CORPORATION 5 5 4 3 2 19
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 3 7 8 1 0 19
GENERAL MOTORS CORPORATION 5 4 3 3 3 18
UNITED STATES OF AMERICA, NAVY 1 2 5 7 2 17
HAMILTON SUNDSTRAND CORPORATION 4 5 3 2 2 16
ALLISON ADVANCED DEVELOPMENT COMPANY, INC. 1 0 6 6 1 14
ALM DEVELOPMENT, INC. 1 4 6 2 1 14
ASTRIUM GMBH 0 0 4 7 3 14
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 5 1 3 4 1 14
BOSCH BRAKING SYSTEMS CO., LTD. 0 2 6 4 1 13
AB VOLVO 7 3 2 0 0 12
HUSCO INTERNATIONAL, INC. 1 2 1 2 6 12
ISUZU MOTORS LIMITED 0 2 3 1 6 12
PARKER-HANNIFIN CORPORATION 2 3 1 2 4 12
ALSTOM POWER INC. 8 3 0 0 0 11
CUMMINS ENGINE CO., INC. 1 7 2 1 0 11
DETROIT DIESEL CORPORATION 4 2 2 2 1 11
FANTOM TECHNOLOGIES INC. 0 10 1 0 0 11
HY-PAT CORPORATION 5 0 1 1 4 11
OTKRYTOE AKTSIONERNOE OBSCHESTVO "NAUCHNO-PROIZVODSTVENNOE OBIEDINENIE "ENERGOMASH" IMONI AKADEMIKA KAKSOLMIKA V.P. GLUSHKO" 0 9 2 0 0 11
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG 0 1 2 4 4 11
TRW INC. 2 5 1 3 0 11
CUMMINS INC. 0 0 3 3 4 10
DAIMLERCHRYSLER CORPORATION 1 5 2 0 2 10
NEW POWER CONCEPTS LLC 1 2 1 4 2 10
SAUER-DANFOSS INC. 0 2 7 1 0 10
SOCIETE HISPANO-SUIZA AEROSTRUCTURES 10 0 0 0 0 10
SOUTHWEST RESEARCH INSTITUTE 1 2 2 1 4 10
UNITED STATES OF AMERICA, AIR FORCE 1 2 3 4 0 10
ALLIANT TECHSYSTEMS INC. 0 0 2 3 4 9
ALSTOM 0 1 5 3 0 9
HISPANO SUIZA AEROSTRUCTURES 6 2 1 0 0 9
INSTITUT FRANCAIS DU PETROLE 4 2 1 2 0 9
MITSUBISHI DENKI KABUSHIKI KAISHA 0 2 1 4 2 9
POCLAIN HYDRAULICS INDUSTRIE 1 3 0 2 3 9
RAMGEN POWER SYSTEMS, INC. 0 3 4 1 1 9
ROBERT BOSCH CORPORATION 1 0 1 4 3 9
TURBODYNE SYSTEMS, INC. 8 1 0 0 0 9
VOLKSWAGEN AKTIENGESELLSCHAFT 1 1 2 3 2 9
VOLVO AERO CORPORATION 0 3 2 2 2 9
ABB RESEARCH LTD. 3 5 0 0 0 8
EATON CORPORATION 1 2 0 2 3 8
ELLIOTT ENERGY SYSTEMS, INC. 0 1 1 0 6 8
EMITEC GESELLSCHAFT FUR EMISSIONSTECHNOLOGIE MBH 0 0 3 4 1 8
INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY, L.L.C. 0 0 3 2 3 8
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 0 0 2 5 1 8
KOBELCO CONSTRUCTION MACHINERY CO., LTD. 0 1 1 3 3 8
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 0 2 0 6 0 8
MANNESMANN REXROTH AG 2 2 4 0 0 8
MANNESMANN SACHS AG 0 5 1 2 0 8
NUOVO PIGNONE HOLDING S.P.A 0 0 3 0 5 8
ROLLS-ROYCE CORPORATION 0 1 4 1 2 8
TECUMSEH PRODUCTS COMPANY 0 1 4 2 1 8
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY 0 4 2 1 1 8
VISTEON GLOBAL TECHNOLOGIES, INC. 0 1 1 1 5 8
AUTOMOTIVE PRODUCTS (U.S.A.) INC. 2 1 1 2 1 7
BOSCH REXROTH AG 0 0 0 6 1 7
BRUENINGHAUS HYDROMATIK GMBH 1 3 2 0 1 7
CLEAN ENERGY SYSTEMS, INC. 0 2 1 4 0 7
DEERE + COMPANY 0 0 1 4 2 7
EBARA CORPORATION 2 3 1 0 1 7
FORD MOTOR COMPANY 1 5 0 1 0 7
MAGNETI MARELLI S.P.A. 0 3 3 1 0 7
PORSCHE AG 1 1 0 3 2 7
SHIN CATERPILLAR MITSUBISHI LTD. 1 1 3 0 2 7
TOKICO LTD. 1 2 1 2 1 7
AEROJET-GENERAL CORPORATION 0 0 0 3 3 6
AIR PRODUCTS AND CHEMICALS, INC. 2 2 1 1 0 6
ALSTOM GAS TURBINES LIMITED 2 2 1 1 0 6
BORGWARNER INC. 1 1 2 0 2 6
BOSCH SISTEMAS DE FRENADO S.L. 2 2 1 1 0 6
CASE CORPORATION 2 0 1 3 0 6
FLEETGUARD, INC. 0 0 1 1 4 6
HUGHES ELECTRONICS CORP. 2 3 1 0 0 6
HYDRO-THOMA LIMITED 0 0 3 1 2 6
HYUNDAI MOTOR CO., LTD. 0 3 1 0 2 6
KAWASAKI JUKOGYO KABUSHIKI KAISHA 0 1 1 4 0 6
LINDE AKTIENGESELLSCHAFT 2 2 0 0 2 6
SILVERBROOK RESEARCH PTY. LTD 3 0 0 1 2 6
THE NORDAM GROUP, INC. 0 0 1 1 4 6
TUFF TORQ CORPORATION 1 0 1 3 1 6
UNION OIL COMPANY OF CALIFORNIA 1 3 1 1 0 6
ABB ALSTOM POWER (SCHWEIZ) AG 1 3 1 0 0 5
BOSCH SYSTEMES DE FREINAGE 4 1 0 0 0 5
GOODRICH PUMP AND ENGINE CONTROL SYSTEMS, INC. 0 0 0 0 5 5
HOERBIGER HYDRAULIK GMBH 0 2 3 0 0 5
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 0 1 2 2 5
INGERSOLL-RAND ENERGY SYSTEMS CORPORATION 0 0 1 3 1 5
KELSEY-HAYES CO. 1 3 1 0 0 5
LITEX, INC. 2 2 1 0 0 5
MITSUBISHI FUSO TRUCK AND BUS CORPORATION 0 0 0 2 3 5
NGK INSULATORS LTD. 4 0 0 0 1 5
NORTHROP GRUMMAN CORPORATION 1 1 0 2 1 5
PEUGEOT CITROEN AUTOMOBILES S.A. 0 0 3 0 2 5
PRAXAIR TECHNOLOGY, INC. 0 1 2 2 0 5
SUZUKI MOTOR CORPORATION 1 2 2 0 0 5
UNISIA JECS CORPORATION 1 1 1 1 1 5
VOLVO LASTVAGNAR AB 0 2 0 1 2 5
WOODWARD GOVERNOR COMPANY 2 0 1 2 0 5


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