~Individually Owned Patent |
33 |
38 |
21 |
20 |
12 |
124 |
GENERAL ELECTRIC COMPANY |
13 |
17 |
29 |
11 |
5 |
75 |
DANA CORPORATION |
11 |
9 |
13 |
13 |
9 |
55 |
ISHIKAWA GASKET CO. LTD. |
9 |
4 |
6 |
6 |
3 |
28 |
EAGLE INDUSTRY CO., LTD. |
2 |
3 |
4 |
8 |
6 |
23 |
CARL FREUDENBERG |
3 |
6 |
9 |
2 |
1 |
21 |
CATERPILLAR INC. |
5 |
1 |
9 |
1 |
1 |
17 |
NOK CORPORATION |
5 |
2 |
1 |
6 |
2 |
16 |
ELRING KLINGER AG |
0 |
4 |
4 |
4 |
3 |
15 |
FEDERAL-MOGUL WORLD WIDE, INC. |
4 |
3 |
1 |
5 |
2 |
15 |
NIPPON GASKET CO., LTD. |
4 |
6 |
4 |
1 |
0 |
15 |
NIPPON PILLAR PACKING CO. LTD. |
4 |
3 |
4 |
0 |
0 |
11 |
NIPPON PISTON RING CO., LTD. |
4 |
1 |
2 |
3 |
1 |
11 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
4 |
2 |
1 |
2 |
1 |
10 |
ROLLS-ROYCE PLC |
5 |
0 |
2 |
2 |
1 |
10 |
FLOWSERVE MANAGEMENT COMPANY |
4 |
4 |
1 |
0 |
0 |
9 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
0 |
2 |
1 |
2 |
4 |
9 |
HONEYWELL INTERNATIONAL INC. |
0 |
2 |
3 |
2 |
2 |
9 |
NICHIAS CORPORATION |
0 |
2 |
1 |
2 |
4 |
9 |
TRW INC. |
4 |
2 |
1 |
1 |
1 |
9 |
UNITED TECHNOLOGIES CORPORATION |
3 |
3 |
0 |
0 |
3 |
9 |
FREUDENBERG-NOK GENERAL PARTNERSHIP |
1 |
3 |
1 |
2 |
1 |
8 |
JETSEAL, INC. |
5 |
1 |
2 |
0 |
0 |
8 |
A. W. CHESTERTON COMPANY |
0 |
2 |
1 |
3 |
1 |
7 |
ALSTOM TECHNOLOGY LTD |
0 |
0 |
0 |
2 |
5 |
7 |
DICHTUNGSTECHNIK G. BRUSS GMBH & CO. KG |
1 |
0 |
1 |
2 |
3 |
7 |
JOHN CRANE, INC. |
2 |
1 |
3 |
1 |
0 |
7 |
MANNESMANN SACHS AG |
3 |
1 |
1 |
2 |
0 |
7 |
MITSUBISHI CABLE INDUSTRIES, LTD. |
1 |
2 |
1 |
2 |
1 |
7 |
NSK LIMITED |
1 |
2 |
1 |
2 |
1 |
7 |
ROBERT BOSCH GMBH |
3 |
2 |
0 |
0 |
2 |
7 |
BOEING COMPANY |
1 |
3 |
0 |
1 |
1 |
6 |
DRESSER-RAND COMPANY |
2 |
1 |
1 |
1 |
1 |
6 |
GENERAL MOTORS CORPORATION |
1 |
0 |
0 |
4 |
1 |
6 |
KALSI ENGINEERING, INC. |
2 |
3 |
1 |
0 |
0 |
6 |
MASCHINENFABRIK SULZER-BURCKHARDT AG |
2 |
4 |
0 |
0 |
0 |
6 |
PARKER-HANNIFIN CORPORATION |
1 |
2 |
1 |
1 |
1 |
6 |
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA |
3 |
1 |
2 |
0 |
0 |
6 |
UCHIYAMA MANUFACTURING CORP. |
0 |
0 |
1 |
2 |
3 |
6 |
UNITED STATES OF AMERICA, NAVY |
0 |
6 |
0 |
0 |
0 |
6 |
DELPHI TECHNOLOGIES, INC. |
0 |
1 |
0 |
3 |
1 |
5 |
FEDERAL-MOGUL BURSCHEID GMBH |
1 |
1 |
2 |
1 |
0 |
5 |
FMC TECHNOLOGIES, INC. |
0 |
0 |
2 |
0 |
3 |
5 |
HILTI AKTIENGESELLSCHAFT |
0 |
1 |
4 |
0 |
0 |
5 |
INTERFACE SOLUTIONS, INC. |
2 |
0 |
1 |
2 |
0 |
5 |
J.M. CLIPPER CORP. |
0 |
3 |
1 |
1 |
0 |
5 |
MTU AERO ENGINES GMBH |
0 |
1 |
0 |
3 |
1 |
5 |
PERKINELMER, INC. |
2 |
1 |
1 |
0 |
1 |
5 |
RELIANCE ELECTRIC TECHNOLOGIES, LLC |
2 |
1 |
2 |
0 |
0 |
5 |
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." |
2 |
2 |
1 |
0 |
0 |
5 |
TOYODA GOSEI KABUSHIKI KAISHA |
0 |
1 |
2 |
1 |
1 |
5 |
TRANSCOM, INC. |
1 |
2 |
0 |
2 |
0 |
5 |
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION |
0 |
1 |
1 |
3 |
0 |
5 |