~Individually Owned Patent |
18 |
33 |
38 |
21 |
20 |
130 |
GENERAL ELECTRIC COMPANY |
18 |
13 |
17 |
29 |
11 |
88 |
DANA CORPORATION |
3 |
11 |
9 |
13 |
13 |
49 |
ISHIKAWA GASKET CO. LTD. |
8 |
9 |
4 |
6 |
6 |
33 |
CATERPILLAR INC. |
15 |
5 |
1 |
9 |
1 |
31 |
CARL FREUDENBERG |
4 |
3 |
6 |
9 |
2 |
24 |
NIPPON GASKET CO., LTD. |
5 |
4 |
6 |
4 |
1 |
20 |
EAGLE INDUSTRY CO., LTD. |
1 |
2 |
3 |
4 |
8 |
18 |
NOK CORPORATION |
3 |
5 |
2 |
1 |
6 |
17 |
A. W. CHESTERTON COMPANY |
8 |
0 |
2 |
1 |
3 |
14 |
FEDERAL-MOGUL WORLD WIDE, INC. |
1 |
4 |
3 |
1 |
5 |
14 |
NIPPON PILLAR PACKING CO. LTD. |
2 |
4 |
3 |
4 |
0 |
13 |
ELRING KLINGER AG |
0 |
0 |
4 |
4 |
4 |
12 |
FREUDENBERG-NOK GENERAL PARTNERSHIP |
4 |
1 |
3 |
1 |
2 |
11 |
ROLLS-ROYCE PLC |
2 |
5 |
0 |
2 |
2 |
11 |
J.M. CLIPPER CORP. |
5 |
0 |
3 |
1 |
1 |
10 |
NIPPON PISTON RING CO., LTD. |
0 |
4 |
1 |
2 |
3 |
10 |
UNITED TECHNOLOGIES CORPORATION |
4 |
3 |
3 |
0 |
0 |
10 |
FLOWSERVE MANAGEMENT COMPANY |
0 |
4 |
4 |
1 |
0 |
9 |
JOHN CRANE, INC. |
2 |
2 |
1 |
3 |
1 |
9 |
KALSI ENGINEERING, INC. |
3 |
2 |
3 |
1 |
0 |
9 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
0 |
4 |
2 |
1 |
2 |
9 |
JETSEAL, INC. |
0 |
5 |
1 |
2 |
0 |
8 |
MANNESMANN SACHS AG |
1 |
3 |
1 |
1 |
2 |
8 |
TRW INC. |
0 |
4 |
2 |
1 |
1 |
8 |
DRESSER-RAND COMPANY |
2 |
2 |
1 |
1 |
1 |
7 |
GENERAL MOTORS CORPORATION |
2 |
1 |
0 |
0 |
4 |
7 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
2 |
0 |
2 |
1 |
2 |
7 |
HONEYWELL INTERNATIONAL INC. |
0 |
0 |
2 |
3 |
2 |
7 |
MASCHINENFABRIK SULZER-BURCKHARDT AG |
1 |
2 |
4 |
0 |
0 |
7 |
ROBERT BOSCH GMBH |
2 |
3 |
2 |
0 |
0 |
7 |
TEIKOKU PISTON RING CO. LTD. |
3 |
2 |
1 |
1 |
0 |
7 |
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA |
1 |
3 |
1 |
2 |
0 |
7 |
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION |
2 |
0 |
1 |
1 |
3 |
7 |
DICHTUNGSTECHNIK G. BRUSS GMBH & CO. KG |
2 |
1 |
0 |
1 |
2 |
6 |
MITSUBISHI CABLE INDUSTRIES, LTD. |
0 |
1 |
2 |
1 |
2 |
6 |
NSK LIMITED |
0 |
1 |
2 |
1 |
2 |
6 |
UNITED STATES OF AMERICA, NAVY |
0 |
0 |
6 |
0 |
0 |
6 |
BOEING COMPANY |
0 |
1 |
3 |
0 |
1 |
5 |
FEDERAL-MOGUL BURSCHEID GMBH |
0 |
1 |
1 |
2 |
1 |
5 |
GARLOCK INC. |
2 |
2 |
1 |
0 |
0 |
5 |
HILTI AKTIENGESELLSCHAFT |
0 |
0 |
1 |
4 |
0 |
5 |
INTERFACE SOLUTIONS, INC. |
0 |
2 |
0 |
1 |
2 |
5 |
ITT MANUFACTURING ENTERPRISES, INC. |
1 |
2 |
1 |
1 |
0 |
5 |
KOKUSAN PARTS INDUSTRY CO., LTD. |
2 |
3 |
0 |
0 |
0 |
5 |
NICHIAS CORPORATION |
0 |
0 |
2 |
1 |
2 |
5 |
PARKER-HANNIFIN CORPORATION |
0 |
1 |
2 |
1 |
1 |
5 |
RELIANCE ELECTRIC TECHNOLOGIES, LLC |
0 |
2 |
1 |
2 |
0 |
5 |
RFT S.P.A. |
1 |
1 |
0 |
0 |
3 |
5 |
S & B TECHNICAL PRODUCTS, INC. |
1 |
1 |
2 |
1 |
0 |
5 |
SEAGATE TECHNOLOGY, LLC |
2 |
0 |
1 |
1 |
1 |
5 |
SKF USA INC. |
2 |
1 |
1 |
0 |
1 |
5 |
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." |
0 |
2 |
2 |
1 |
0 |
5 |
TAIHO KOGYO CO., LTD. |
2 |
1 |
0 |
1 |
1 |
5 |
TRANSCOM, INC. |
0 |
1 |
2 |
0 |
2 |
5 |