~Individually Owned Patent |
113 |
102 |
102 |
99 |
62 |
478 |
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA |
37 |
36 |
40 |
26 |
1 |
140 |
ROBERT BOSCH GMBH |
24 |
29 |
22 |
14 |
5 |
94 |
LG ELECTRONICS INC. |
4 |
6 |
11 |
15 |
24 |
60 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
4 |
11 |
5 |
11 |
8 |
39 |
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI |
0 |
0 |
0 |
20 |
18 |
38 |
SANDEN CORPORATION |
10 |
9 |
7 |
8 |
1 |
35 |
SCROLL TECHNOLOGIES, INC. |
0 |
10 |
14 |
8 |
3 |
35 |
DENSO CORPORATION |
6 |
7 |
4 |
1 |
10 |
28 |
HITACHI, LTD |
2 |
10 |
6 |
7 |
3 |
28 |
VISTEON GLOBAL TECHNOLOGIES, INC. |
1 |
7 |
9 |
4 |
7 |
28 |
DELPHI TECHNOLOGIES, INC. |
0 |
2 |
13 |
7 |
5 |
27 |
CATERPILLAR INC. |
5 |
5 |
5 |
7 |
4 |
26 |
CARRIER CORPORATION |
8 |
3 |
6 |
7 |
1 |
25 |
INGERSOLL-RAND COMPANY |
8 |
7 |
5 |
4 |
1 |
25 |
COPELAND CORPORATION |
4 |
8 |
3 |
2 |
5 |
22 |
SAMSUNG KWANG-JU ELECTRONICS CO., LTD. |
2 |
1 |
4 |
7 |
8 |
22 |
TECUMSEH PRODUCTS COMPANY |
2 |
8 |
7 |
3 |
1 |
21 |
SEIKO INSTRUMENTS INC. |
1 |
2 |
8 |
8 |
0 |
19 |
LUK FAHRZEUG-HYDRAULIK GMBH & CO. KG |
5 |
7 |
3 |
1 |
1 |
17 |
SANYO ELECTRIC CO., LTD. |
1 |
2 |
2 |
8 |
4 |
17 |
EBARA CORPORATION |
2 |
3 |
8 |
1 |
2 |
16 |
GENERAL MOTORS CORPORATION |
3 |
2 |
6 |
3 |
2 |
16 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
7 |
4 |
1 |
1 |
3 |
16 |
EMPRESA BRAZILEIRA DE COMPRESSORES S/A EMBRACO |
2 |
1 |
1 |
8 |
2 |
14 |
MATSUSHITA REFRIGERATION CO. |
3 |
4 |
2 |
4 |
1 |
14 |
THOMAS INDUSTRIES, INC. |
2 |
4 |
4 |
0 |
4 |
14 |
AISIN SEIKI KABUSHIKI KAISHA |
4 |
5 |
1 |
1 |
2 |
13 |
BAXTER INTERNATIONAL INC. |
3 |
5 |
1 |
2 |
2 |
13 |
CONTINENTAL TEVES AG & CO., OHG |
0 |
4 |
5 |
2 |
2 |
13 |
ITT MANUFACTURING ENTERPRISES, INC. |
3 |
3 |
2 |
3 |
2 |
13 |
DEKA PRODUCTS LIMITED PARTNERSHIP |
1 |
1 |
4 |
4 |
2 |
12 |
GENERAL ELECTRIC COMPANY |
4 |
1 |
6 |
0 |
0 |
11 |
INSTITUT FRANCAIS DU PETROLE |
3 |
8 |
0 |
0 |
0 |
11 |
LEYBOLD VAKUUM GMBH |
2 |
0 |
3 |
1 |
5 |
11 |
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) |
0 |
1 |
5 |
3 |
2 |
11 |
SAMSUNG ELECTRONICS CO., LTD. |
2 |
2 |
2 |
1 |
4 |
11 |
WALBRO CORPORATION |
7 |
3 |
1 |
0 |
0 |
11 |
BRISTOL COMPRESSORS, INC. |
3 |
1 |
1 |
5 |
0 |
10 |
COLTEC INDUSTRIES INC. |
2 |
2 |
5 |
1 |
0 |
10 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
1 |
1 |
2 |
4 |
2 |
10 |
ALCATEL |
1 |
1 |
4 |
2 |
1 |
9 |
DELTA ELECTRONICS INC. |
1 |
1 |
1 |
4 |
2 |
9 |
DEVILBISS AIR POWER COMPANY |
1 |
1 |
2 |
3 |
2 |
9 |
LINDE AKTIENGESELLSCHAFT |
5 |
0 |
1 |
2 |
1 |
9 |
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. |
3 |
1 |
2 |
2 |
1 |
9 |
CAMPBELL HAUSFELD/SCOTT FETZER COMPANY |
0 |
2 |
5 |
0 |
1 |
8 |
DAIKIN INDUSTRIES LIMITED |
3 |
0 |
1 |
4 |
0 |
8 |
EATON CORPORATION |
4 |
1 |
1 |
1 |
1 |
8 |
HONEYWELL INTERNATIONAL INC. |
0 |
1 |
3 |
0 |
4 |
8 |
NIPPON PILLAR PACKING CO. LTD. |
0 |
1 |
2 |
4 |
1 |
8 |
SIEMENS AKTIENGESELLSCHAFT |
2 |
1 |
1 |
2 |
2 |
8 |
ZEXEL CORPORATION |
5 |
1 |
2 |
0 |
0 |
8 |
BAKER HUGHES INCORPORATED |
2 |
3 |
1 |
1 |
0 |
7 |
CALIFORNIA INSTITUTE OF TECHNOLOGY |
0 |
1 |
1 |
4 |
1 |
7 |
CALSONIC KANSEI CORPORATION |
1 |
2 |
1 |
1 |
2 |
7 |
CAMCO INTERNATIONAL INC. |
3 |
3 |
1 |
0 |
0 |
7 |
FORD GLOBAL TECHNOLOGIES, INC. |
3 |
2 |
2 |
0 |
0 |
7 |
MANNESMANN VDO AG |
2 |
1 |
3 |
1 |
0 |
7 |
PFEIFFER VACUUM GMBH |
2 |
1 |
3 |
0 |
1 |
7 |
PUTZMEISTER AKTIENGESELLSCHAFT |
2 |
3 |
2 |
0 |
0 |
7 |
SHURFLO PUMP MANUFACTURING COMPANY, INC. |
3 |
0 |
0 |
2 |
2 |
7 |
VARIAN, INC. |
2 |
3 |
0 |
0 |
2 |
7 |
ALARIS MEDICAL SYSTEMS, INC. |
2 |
2 |
2 |
0 |
0 |
6 |
ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP |
2 |
1 |
1 |
1 |
1 |
6 |
BORGWARNER INC. |
0 |
1 |
0 |
3 |
2 |
6 |
BRUENINGHAUS HYDROMATIK GMBH |
3 |
1 |
1 |
0 |
1 |
6 |
DANFOSS COMPRESSORS GMBH |
1 |
2 |
2 |
1 |
0 |
6 |
FLOWSERVE MANAGEMENT COMPANY |
0 |
4 |
2 |
0 |
0 |
6 |
JIDOSHA KIKI CO. LTD. |
4 |
2 |
0 |
0 |
0 |
6 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
5 |
0 |
1 |
0 |
0 |
6 |
NGK INSULATORS LTD. |
0 |
0 |
1 |
2 |
3 |
6 |
NTN CORPORATION |
1 |
0 |
1 |
4 |
0 |
6 |
S.A.E.S. GETTERS S.P.A. |
3 |
1 |
0 |
1 |
1 |
6 |
SAUER-DANFOSS INC. |
0 |
2 |
1 |
1 |
2 |
6 |
SEIKO EPSON CORPORATION |
1 |
2 |
0 |
2 |
1 |
6 |
STANADYNE AUTOMOTIVE CORP. |
2 |
3 |
1 |
0 |
0 |
6 |
TOYOTA JIDOSHA K.K. |
1 |
1 |
1 |
2 |
1 |
6 |
WILDEN PUMP & ENGINEERING CO. |
3 |
2 |
1 |
0 |
0 |
6 |
ZAHNRADFABRIK FRIEDRICHSHAFEN AG |
2 |
2 |
1 |
1 |
0 |
6 |
AMETEK, INC. |
1 |
0 |
1 |
2 |
1 |
5 |
ASMO CO., LTD. |
2 |
2 |
0 |
1 |
0 |
5 |
CANON KABUSHIKI KAISHA |
1 |
0 |
2 |
2 |
0 |
5 |
COLEMAN POWERMATE, INC. |
0 |
0 |
2 |
1 |
2 |
5 |
DRESSER-RAND COMPANY |
0 |
1 |
1 |
2 |
1 |
5 |
EMERSON ELECTRIC CO. |
1 |
0 |
0 |
3 |
1 |
5 |
GOODRICH PUMP AND ENGINE CONTROL SYSTEMS, INC. |
0 |
0 |
0 |
3 |
2 |
5 |
GORMAN-RUPP COMPANY |
2 |
1 |
0 |
1 |
1 |
5 |
HYDRO-GEAR LIMITED PARTNERSHIP |
0 |
0 |
1 |
0 |
4 |
5 |
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN |
0 |
1 |
1 |
2 |
1 |
5 |
KOBE STEEL LTD. |
1 |
1 |
0 |
2 |
1 |
5 |
LASKO HOLDINGS, INC. |
1 |
2 |
1 |
0 |
1 |
5 |
MILTON ROY COMPANY |
1 |
4 |
0 |
0 |
0 |
5 |
MOTOROLA, INC. |
0 |
1 |
1 |
1 |
2 |
5 |
NITTO KOHKI COMPANY LIMITED |
0 |
0 |
2 |
3 |
0 |
5 |
PIERBURG AG |
1 |
4 |
0 |
0 |
0 |
5 |
ROPER HOLDINGS, INC. |
1 |
1 |
1 |
2 |
0 |
5 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
0 |
1 |
0 |
1 |
3 |
5 |
SHOWA CORPORATION |
0 |
0 |
1 |
3 |
1 |
5 |
TERUMO CARDIOVASCULAR SYSTEMS CORPORATION |
0 |
0 |
0 |
2 |
3 |
5 |
TOSHIBA TEC KABUSHIKI KAISHA |
1 |
0 |
0 |
3 |
1 |
5 |
WESTINGHOUSE AIR BRAKE COMPANY |
2 |
3 |
0 |
0 |
0 |
5 |
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION |
0 |
0 |
3 |
2 |
0 |
5 |
WOOD GROUP ESP, INC. |
0 |
0 |
3 |
2 |
0 |
5 |
ZANUSSI ELETTROMECCANICA S.P.A. |
1 |
1 |
3 |
0 |
0 |
5 |
ZF BATAVIA, L.L.C. |
0 |
0 |
1 |
4 |
0 |
5 |