~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 |