~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 |