~Individually Owned Patent |
171 |
236 |
249 |
223 |
126 |
1005 |
SMC CORPORATION |
7 |
15 |
11 |
20 |
6 |
59 |
ROBERT BOSCH GMBH |
5 |
10 |
10 |
13 |
7 |
45 |
EATON CORPORATION |
2 |
9 |
3 |
5 |
9 |
28 |
FISHER CONTROLS INTERNATIONAL, INC. |
5 |
6 |
5 |
6 |
4 |
26 |
SMC KABUSHIKI KAISHA |
1 |
2 |
9 |
8 |
5 |
25 |
PARKER-HANNIFIN CORPORATION |
1 |
2 |
4 |
6 |
8 |
21 |
WESTINGHOUSE AIR BRAKE COMPANY |
3 |
7 |
8 |
2 |
0 |
20 |
DELPHI TECHNOLOGIES, INC. |
0 |
0 |
1 |
8 |
10 |
19 |
EMHART INC. |
6 |
4 |
5 |
2 |
2 |
19 |
CATERPILLAR INC. |
4 |
6 |
3 |
3 |
2 |
18 |
FRIEDRICH GROHE AKTIENGESELLSCHAFT |
6 |
4 |
3 |
2 |
3 |
18 |
FUJIKIN INC. |
5 |
1 |
5 |
5 |
2 |
18 |
KOMATSU LTD. |
9 |
3 |
4 |
2 |
0 |
18 |
AMERICAN STANDARD, INC. |
8 |
2 |
6 |
1 |
0 |
17 |
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
0 |
4 |
2 |
5 |
6 |
17 |
NATIONAL COUPLING COMPANY, INC. |
2 |
3 |
4 |
7 |
1 |
17 |
GENERAL MOTORS CORPORATION |
2 |
9 |
3 |
0 |
2 |
16 |
FORD GLOBAL TECHNOLOGIES, INC. |
3 |
3 |
1 |
5 |
3 |
15 |
STANT MANUFACTURING COMPANY, INC. |
1 |
1 |
2 |
6 |
5 |
15 |
MASCO CORP. OF INDIANA |
3 |
3 |
1 |
5 |
2 |
14 |
MOEN INCORPORATED |
2 |
2 |
5 |
2 |
3 |
14 |
B S & B SAFETY SYSTEMS, INC. |
0 |
2 |
1 |
3 |
7 |
13 |
CHUNG CHENG FAUCET CO. LTD. |
7 |
2 |
1 |
2 |
1 |
13 |
EMERSON ELECTRIC CO. |
0 |
5 |
3 |
3 |
2 |
13 |
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT |
0 |
3 |
4 |
5 |
0 |
12 |
MANNESMANN REXROTH AG |
0 |
4 |
4 |
4 |
0 |
12 |
MANNESMANN VDO AG |
0 |
0 |
2 |
6 |
4 |
12 |
SATURN ELECTRONICS & ENGINEERING, INC. |
2 |
2 |
3 |
4 |
1 |
12 |
TRW INC. |
2 |
2 |
2 |
6 |
0 |
12 |
APPLIED MATERIALS, INC. |
0 |
4 |
4 |
1 |
2 |
11 |
FESTO AG & CO. |
0 |
0 |
0 |
3 |
8 |
11 |
SNAP-TITE TECHNOLOGIES, INC. |
1 |
4 |
3 |
0 |
3 |
11 |
BOEING COMPANY |
1 |
5 |
0 |
4 |
0 |
10 |
BURKERT WERKE GMBH & CO. |
2 |
1 |
2 |
4 |
1 |
10 |
DANFOSS A/S |
5 |
2 |
1 |
2 |
0 |
10 |
FMC CORPORATION |
3 |
2 |
2 |
1 |
2 |
10 |
HONEYWELL INTERNATIONAL INC. |
0 |
0 |
0 |
7 |
3 |
10 |
TETRA LAVAL HOLDINGS & FINANCE S.A. |
1 |
4 |
2 |
3 |
0 |
10 |
AEROQUIP CORPORATION, LINAIR DIVISION |
5 |
2 |
2 |
0 |
0 |
9 |
DENSO CORPORATION |
0 |
1 |
1 |
3 |
4 |
9 |
KABUSHIKI KAISHA SAGINOMIYA SEISAKUSHO |
0 |
2 |
3 |
4 |
0 |
9 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
1 |
4 |
0 |
2 |
2 |
9 |
UNITED STATES OF AMERICA, NAVY |
1 |
4 |
2 |
1 |
1 |
9 |
ALLIED-SIGNAL INC. |
0 |
3 |
2 |
3 |
0 |
8 |
BORG-WARNER AUTOMOTIVE, INC. |
1 |
4 |
3 |
0 |
0 |
8 |
DAIMLERCHRYSLER CORPORATION |
0 |
0 |
4 |
3 |
1 |
8 |
HALLIBURTON ENERGY SEVICES, INC. |
0 |
0 |
1 |
5 |
2 |
8 |
HILL-ROM COMPANY, INC. |
0 |
0 |
0 |
4 |
4 |
8 |
HYUNDAI MOTOR CO., LTD. |
4 |
2 |
0 |
1 |
1 |
8 |
LUCAS INDUSTRIES PUBLIC LTD. COMPANY |
2 |
3 |
2 |
1 |
0 |
8 |
MERTIK MAXITROL GMBH & CO., KG |
2 |
2 |
2 |
2 |
0 |
8 |
PGI INTERNATIONAL, LTD. |
4 |
1 |
1 |
2 |
0 |
8 |
ROSS OPERATING VALVE COMPANY |
1 |
2 |
1 |
1 |
3 |
8 |
SAMSUNG ELECTRONICS CO., LTD. |
3 |
1 |
2 |
1 |
1 |
8 |
SIEMENS AKTIENGESELLSCHAFT |
0 |
0 |
4 |
3 |
1 |
8 |
SLOAN VALVE COMPANY |
1 |
1 |
1 |
4 |
1 |
8 |
UNIT INSTRUMENTS, INC. |
1 |
1 |
0 |
3 |
3 |
8 |
WALBRO CORPORATION |
0 |
4 |
2 |
2 |
0 |
8 |
CKD KABUSHIKI KAISHA (CKD CORPORATION) |
1 |
1 |
4 |
1 |
0 |
7 |
DANA CORPORATION |
1 |
1 |
2 |
2 |
1 |
7 |
DRESSER INDUSTRIES, INC. |
2 |
4 |
1 |
0 |
0 |
7 |
GILMORE VALVE COMPANY, INC. |
1 |
1 |
0 |
2 |
3 |
7 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
2 |
0 |
1 |
2 |
2 |
7 |
HUSCO INTERNATIONAL, INC. |
1 |
2 |
2 |
0 |
2 |
7 |
ITT MANUFACTURING ENTERPRISES, INC. |
1 |
1 |
3 |
2 |
0 |
7 |
MICRON TECHNOLOGY, INC. |
0 |
0 |
0 |
3 |
4 |
7 |
MKS INSTRUMENTS, INC. |
0 |
1 |
1 |
2 |
3 |
7 |
SEALAND TECHNOLOGY, INC. |
0 |
4 |
2 |
1 |
0 |
7 |
TOYODA GOSEI KABUSHIKI KAISHA |
1 |
0 |
0 |
3 |
3 |
7 |
UNISIA JECS CORPORATION |
4 |
0 |
1 |
1 |
1 |
7 |
WATTS INVESTMENT COMPANY |
0 |
3 |
2 |
2 |
0 |
7 |
ABBOTT LABORATORIES |
4 |
1 |
0 |
0 |
1 |
6 |
AISIN AW CO., LTD. |
3 |
3 |
0 |
0 |
0 |
6 |
AISIN SEIKI KABUSHIKI KAISHA |
1 |
2 |
1 |
2 |
0 |
6 |
CORTANA CORPORATION |
0 |
0 |
1 |
2 |
3 |
6 |
EVAC INTERNATIONAL OY |
0 |
0 |
2 |
2 |
2 |
6 |
GENERAL ELECTRIC COMPANY |
0 |
2 |
2 |
2 |
0 |
6 |
GEORG FISCHER ROHRLEITUNGSSYSTEME AG |
2 |
1 |
0 |
3 |
0 |
6 |
GRIFFIN & CANTRELL COMPANY, INC. |
2 |
1 |
1 |
2 |
0 |
6 |
HYDRAULIK-RING GMBH |
0 |
0 |
0 |
3 |
3 |
6 |
ILLINOIS TOOL WORKS INC. |
0 |
0 |
0 |
4 |
2 |
6 |
KABUSHIKI KAISHA YOKOTA SEISAKUSHO |
3 |
0 |
2 |
1 |
0 |
6 |
LUK GETRIEBE-SYSTEME GMBH |
0 |
0 |
1 |
3 |
2 |
6 |
MASCO CORPORATION |
3 |
2 |
0 |
0 |
1 |
6 |
RED VALVE CO., INC. |
2 |
1 |
1 |
0 |
2 |
6 |
SIEMENS CANADA LTD. |
0 |
1 |
0 |
1 |
4 |
6 |
SOLVAY (SOCIETE ANONYME) |
1 |
1 |
1 |
3 |
0 |
6 |
SPX CORPORATION |
0 |
0 |
2 |
3 |
1 |
6 |
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. |
0 |
1 |
2 |
3 |
0 |
6 |
TYCO FLOW CONTROL, INC. |
1 |
1 |
1 |
3 |
0 |
6 |
U.S. FILTER CORPORATION |
0 |
1 |
2 |
3 |
0 |
6 |
UNITED MICROELECTRONICS CORPORATION |
0 |
1 |
2 |
2 |
1 |
6 |
AB REXROTH MECMAN |
0 |
1 |
0 |
2 |
2 |
5 |
ARMSTRONG INTERNATIONAL, INC. |
0 |
3 |
1 |
0 |
1 |
5 |
BAKER HUGHES INCORPORATED |
1 |
1 |
0 |
2 |
1 |
5 |
BENKAN CORPORATION |
1 |
0 |
2 |
2 |
0 |
5 |
BOC GROUP, INC. |
1 |
0 |
2 |
0 |
2 |
5 |
CAMCO INTERNATIONAL INC. |
0 |
1 |
3 |
1 |
0 |
5 |
CONBRACO INDUSTRIES, INC. |
2 |
0 |
0 |
0 |
3 |
5 |
CONTINENTAL TEVES AG & CO., OHG |
0 |
0 |
1 |
2 |
2 |
5 |
CTB, INC. |
1 |
2 |
1 |
1 |
0 |
5 |
DAIMLER-BENZ AKTIENGESELLSCHAFT |
3 |
2 |
0 |
0 |
0 |
5 |
EBARA CORPORATION |
1 |
2 |
1 |
0 |
1 |
5 |
FUJI OOZX INC. |
1 |
1 |
1 |
1 |
1 |
5 |
G. T. PRODUCTS, INC. |
1 |
4 |
0 |
0 |
0 |
5 |
GAS RESEARCH INSTITUTE |
3 |
1 |
0 |
1 |
0 |
5 |
GLOBE UNION INDUSTRIAL CORPORATION |
0 |
0 |
3 |
0 |
2 |
5 |
HUNTER INDUSTRIES, INC. |
0 |
3 |
2 |
0 |
0 |
5 |
IDEAL STANDARD GMBH |
1 |
2 |
1 |
1 |
0 |
5 |
INGERSOLL-RAND COMPANY |
1 |
1 |
0 |
0 |
3 |
5 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
0 |
1 |
1 |
2 |
1 |
5 |
KOHLER CO. |
1 |
1 |
0 |
3 |
0 |
5 |
LAM RESEARCH CORPORATION |
2 |
0 |
1 |
2 |
0 |
5 |
MCDONNELL DOUGLAS CORP. |
2 |
1 |
1 |
1 |
0 |
5 |
NELSON IRRIGATION CORPORATION |
1 |
2 |
1 |
1 |
0 |
5 |
NIBCO INC. |
3 |
0 |
1 |
1 |
0 |
5 |
NISSAN MOTOR COMPANY, LIMITED |
0 |
2 |
3 |
0 |
0 |
5 |
NUMATICS INCORPORATED |
0 |
1 |
2 |
1 |
1 |
5 |
PRAXAIR TECHNOLOGY, INC. |
2 |
1 |
0 |
2 |
0 |
5 |
RANCO INCORPORATED OF DELAWARE |
0 |
3 |
1 |
1 |
0 |
5 |
ROBERTSHAW CONTROLS COMPANY |
1 |
2 |
0 |
1 |
1 |
5 |
S. C. JOHNSON COMMERCIAL MARKETS, INC. |
1 |
1 |
2 |
1 |
0 |
5 |
STURMAN BG, LLC |
0 |
0 |
2 |
3 |
0 |
5 |
SUNCAST CORPORATION |
3 |
1 |
1 |
0 |
0 |
5 |
TESMA MOTOREN-UND GETRIEBETECHNIK GMBH |
0 |
0 |
2 |
1 |
2 |
5 |
TOTO, LTD. |
3 |
1 |
1 |
0 |
0 |
5 |
UNIVERSITY OF CALIFORNIA, THE REGENTS OF |
1 |
1 |
1 |
1 |
1 |
5 |
VERIFLO CORPORATION |
3 |
1 |
1 |
0 |
0 |
5 |
WABCO GMBH & CO, OHG |
0 |
0 |
4 |
0 |
1 |
5 |