~INDIVIDUALLY OWNED PATENT |
207 |
204 |
185 |
183 |
168 |
947 |
MILLIPORE CORPORATION |
8 |
6 |
10 |
7 |
7 |
38 |
PALL CORPORATION |
8 |
9 |
5 |
6 |
10 |
38 |
BAXTER INTERNATIONAL INC. |
5 |
6 |
7 |
5 |
4 |
27 |
U.S. FILTER CORPORATION |
7 |
3 |
14 |
1 |
0 |
25 |
ZENON ENVIRONMENTAL INC. |
7 |
9 |
8 |
0 |
0 |
24 |
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN |
2 |
2 |
5 |
6 |
4 |
19 |
FLEETGUARD, INC. |
2 |
4 |
2 |
5 |
5 |
18 |
3M INNOVATIVE PROPERTIES COMPANY |
1 |
0 |
12 |
2 |
2 |
17 |
OTV SOCIETE ANONYME |
1 |
2 |
3 |
4 |
7 |
17 |
SANYO ELECTRIC CO., LTD. |
3 |
3 |
5 |
3 |
3 |
17 |
GE HEALTHCARE BIO-SCIENCES AB |
0 |
0 |
6 |
3 |
7 |
16 |
ENTEGRIS, INC. |
0 |
0 |
5 |
4 |
6 |
15 |
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY |
4 |
4 |
3 |
2 |
2 |
15 |
GENERAL ELECTRIC COMPANY |
3 |
3 |
1 |
4 |
4 |
15 |
PARKER-HANNIFIN CORPORATION |
3 |
3 |
4 |
3 |
2 |
15 |
UNITED STATES OF AMERICA, NAVY |
3 |
1 |
8 |
2 |
1 |
15 |
ACCESS BUSINESS GROUP INTERNATIONAL LLC |
7 |
1 |
1 |
4 |
1 |
14 |
BALDWIN FILTERS, INC. |
1 |
2 |
3 |
5 |
3 |
14 |
EASTMAN KODAK COMPANY |
4 |
0 |
0 |
3 |
7 |
14 |
EBARA CORPORATION |
4 |
1 |
1 |
3 |
5 |
14 |
HONEYWELL INTERNATIONAL INC. |
2 |
2 |
2 |
4 |
4 |
14 |
MANN & HUMMEL GMBH |
0 |
2 |
3 |
3 |
6 |
14 |
UNIVERSITY OF CALIFORNIA, THE REGENTS OF |
3 |
6 |
1 |
3 |
1 |
14 |
CH2M HILL, INC. |
3 |
3 |
4 |
2 |
1 |
13 |
CUNO INC. |
5 |
7 |
1 |
0 |
0 |
13 |
HYDAC FILTERTECHNIK GMBH |
3 |
1 |
1 |
3 |
5 |
13 |
KING TECHNOLOGY, INC |
1 |
0 |
5 |
3 |
4 |
13 |
NALCO COMPANY |
4 |
4 |
1 |
2 |
2 |
13 |
SANDIA CORPORATION |
6 |
0 |
2 |
5 |
0 |
13 |
SIEMENS WATER TECHNOLOGIES CORP. |
0 |
0 |
0 |
6 |
7 |
13 |
WATERS INVESTMENTS LIMITED |
5 |
0 |
1 |
3 |
4 |
13 |
WIX FILTRATION CORP. |
0 |
5 |
1 |
3 |
4 |
13 |
AGILENT TECHNOLOGIES, INC. |
3 |
1 |
4 |
1 |
3 |
12 |
ARVIN TECHNOLOGIES, INC. |
6 |
5 |
1 |
0 |
0 |
12 |
FILTERWERK MANN + HUMMEL GMBH |
4 |
5 |
2 |
1 |
0 |
12 |
KURITA WATER INDUSTRIES LTD. |
1 |
2 |
2 |
3 |
4 |
12 |
NGK INSULATORS LTD. |
2 |
1 |
1 |
6 |
2 |
12 |
PROCTER + GAMBLE COMPANY |
1 |
2 |
0 |
7 |
2 |
12 |
SIEMENS WATER TECHNOLOGIES HOLDING CORP. |
0 |
0 |
0 |
5 |
7 |
12 |
ZENON TECHNOLOGY PARTNERSHIP |
0 |
0 |
1 |
9 |
2 |
12 |
BASF AKTIENGESELLSCHAFT |
4 |
1 |
1 |
1 |
4 |
11 |
DAICEL CHEMICAL INDUSTRIES LTD. |
1 |
1 |
2 |
4 |
3 |
11 |
GAMBRO LUNDIA AB |
1 |
0 |
2 |
4 |
4 |
11 |
HYDROTREAT, INC. |
6 |
3 |
0 |
2 |
0 |
11 |
MEDTRONIC INC. |
5 |
3 |
1 |
2 |
0 |
11 |
SPX CORPORATION |
2 |
2 |
3 |
2 |
2 |
11 |
U.S. FILTER WASTEWATER GROUP, INC. |
2 |
6 |
1 |
2 |
0 |
11 |
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
2 |
3 |
1 |
3 |
1 |
10 |
DIONEX CORPORATION |
1 |
1 |
1 |
3 |
4 |
10 |
HALLIBURTON ENERGY SERVICES, INC. |
2 |
3 |
0 |
2 |
3 |
10 |
M-I L.L.C |
2 |
3 |
0 |
2 |
3 |
10 |
MARINE DESALINATION SYSTEMS, L.L.C. |
4 |
2 |
3 |
1 |
0 |
10 |
NITTO DENKO CORPORATION |
4 |
3 |
1 |
2 |
0 |
10 |
PHASE, INC. |
3 |
2 |
0 |
2 |
3 |
10 |
SHELL OIL COMPANY |
5 |
2 |
1 |
1 |
1 |
10 |
THERMACO, INC. |
1 |
2 |
2 |
2 |
3 |
10 |
UOP |
1 |
2 |
2 |
1 |
4 |
10 |
AKZO NOBEL NV |
3 |
3 |
1 |
1 |
1 |
9 |
AMERSHAM BIOSCIENCES AB |
4 |
3 |
2 |
0 |
0 |
9 |
AQUA-AEROBIC SYSTEMS INC. |
2 |
3 |
2 |
1 |
1 |
9 |
COMMISSARIAT A L'ENERGIE ATOMIQUE |
1 |
2 |
1 |
3 |
2 |
9 |
DHARMA LIVING SYSTEMS, INC. |
2 |
3 |
3 |
1 |
0 |
9 |
INSTITUT FRANCAIS DU PETROLE |
3 |
0 |
0 |
4 |
2 |
9 |
MAHLE FILTERSYSTEME GMBH |
4 |
4 |
0 |
1 |
0 |
9 |
NANOSTREAM, INC. |
3 |
2 |
2 |
2 |
0 |
9 |
OUTOKUMPU OYJ |
4 |
5 |
0 |
0 |
0 |
9 |
RG DELAWARE, INC. |
1 |
1 |
4 |
3 |
0 |
9 |
SHIMADZU CORPORATION |
1 |
2 |
1 |
4 |
1 |
9 |
TETRA HOLDING (US), INC. |
2 |
2 |
1 |
2 |
2 |
9 |
ZODIAC POOL CARE, INC. |
1 |
1 |
2 |
3 |
2 |
9 |
BASIN WATER, INC. |
0 |
2 |
1 |
2 |
3 |
8 |
BOC GROUP, INC. |
1 |
2 |
4 |
1 |
0 |
8 |
CONOCOPHILLIPS COMPANY |
1 |
4 |
0 |
0 |
3 |
8 |
DANA CORPORATION |
6 |
2 |
0 |
0 |
0 |
8 |
DELPHI TECHNOLOGIES, INC. |
5 |
1 |
2 |
0 |
0 |
8 |
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH |
5 |
2 |
0 |
1 |
0 |
8 |
HITACHI, LTD |
1 |
2 |
2 |
2 |
1 |
8 |
LIPID SCIENCES, INC. |
0 |
0 |
2 |
4 |
2 |
8 |
MYKROLIS CORPORATION |
2 |
3 |
3 |
0 |
0 |
8 |
NEPHROS, INC. |
3 |
1 |
3 |
1 |
0 |
8 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
3 |
2 |
0 |
1 |
2 |
8 |
TORAY INDUSTRIES INC. |
1 |
1 |
1 |
3 |
2 |
8 |
ARCHIMEDES TECHNOLOGY GROUP, INC. |
7 |
0 |
0 |
0 |
0 |
7 |
ASAHI KASEI MEDICAL CO., LTD. |
0 |
0 |
2 |
2 |
3 |
7 |
ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC |
0 |
0 |
1 |
5 |
1 |
7 |
BATTELLE MEMORIAL INSTITUTE |
3 |
0 |
3 |
0 |
1 |
7 |
E. I. DU PONT DE NEMOURS AND COMPANY |
4 |
1 |
1 |
0 |
1 |
7 |
FENWAL, INC. |
0 |
0 |
0 |
4 |
3 |
7 |
GAMBRO, INC. |
1 |
0 |
4 |
2 |
0 |
7 |
ORGANO CORPORATION |
0 |
2 |
2 |
1 |
2 |
7 |
PTI TECHNOLOGIES, INC. |
2 |
5 |
0 |
0 |
0 |
7 |
SARTORIUS AG |
0 |
5 |
1 |
1 |
0 |
7 |
STANADYNE CORPORATION |
2 |
4 |
0 |
0 |
1 |
7 |
VARIAN, INC. |
0 |
1 |
1 |
1 |
4 |
7 |
ADVION BIOSCIENCES, INC. |
5 |
1 |
0 |
0 |
0 |
6 |
ANDRITZ AG |
2 |
1 |
2 |
1 |
0 |
6 |
AQUAFIBER TECHNOLOGIES CORPORATION |
2 |
1 |
2 |
1 |
0 |
6 |
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS |
1 |
1 |
1 |
0 |
3 |
6 |
CLEMSON UNIVERSITY |
0 |
1 |
1 |
2 |
2 |
6 |
DEGREMONT S.A. |
1 |
0 |
1 |
3 |
1 |
6 |
DONALDSON COMPANY, INC. |
2 |
0 |
1 |
2 |
1 |
6 |
ELM TECHNOLOGIES, L.L.C. |
0 |
1 |
0 |
4 |
1 |
6 |
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. |
3 |
1 |
1 |
0 |
1 |
6 |
GL&V MANAGEMENT HUNGARY KFT |
2 |
1 |
1 |
1 |
1 |
6 |
GLOBAL BIOSCIENCES, INC. |
1 |
2 |
0 |
2 |
1 |
6 |
HITACHI HIGH-TECHNOLOGIES CORPORATION |
0 |
2 |
3 |
1 |
0 |
6 |
INTRINSIC BIOPROBES, INC. |
0 |
0 |
5 |
1 |
0 |
6 |
KINETICO, INC. |
1 |
1 |
1 |
2 |
1 |
6 |
KOSLOW TECHNOLOGIES CORPORATION |
3 |
2 |
1 |
0 |
0 |
6 |
MEURER RESEARCH, INC. |
0 |
1 |
2 |
2 |
1 |
6 |
NUTECH 03 |
0 |
1 |
0 |
1 |
4 |
6 |
PARKER INTANGIBLES LLC |
0 |
0 |
2 |
2 |
2 |
6 |
SASOL TECHNOLOGY (PROPRIETARY) LIMITED |
0 |
0 |
4 |
2 |
0 |
6 |
SCHROEDER INDUSTRIES L.L.C. |
0 |
2 |
1 |
2 |
1 |
6 |
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY |
1 |
0 |
0 |
3 |
2 |
6 |
WATERVISIONS INTERNATIONAL, INC. |
1 |
3 |
0 |
2 |
0 |
6 |
WEATHERFORD/LAMB, INC. |
4 |
1 |
0 |
0 |
1 |
6 |
ALLTECH ASSOCIATES, INC. |
2 |
1 |
2 |
0 |
0 |
5 |
BIOPROCESS TECHNOLOGIES, LTD. |
0 |
5 |
0 |
0 |
0 |
5 |
CATERPILLAR INC. |
1 |
1 |
0 |
2 |
1 |
5 |
CHISSO CORPORATION |
2 |
0 |
3 |
0 |
0 |
5 |
CIBA SPECIALTY CHEMICALS WATER TREATMENTS LIMITED |
2 |
1 |
1 |
1 |
0 |
5 |
DANISCO SWEETENERS OY |
0 |
2 |
1 |
1 |
1 |
5 |
DENSO CORPORATION |
0 |
3 |
1 |
1 |
0 |
5 |
EASTMAN CHEMICAL COMPANY |
0 |
1 |
0 |
3 |
1 |
5 |
FINNFEEDS FINLAND OY |
0 |
0 |
3 |
1 |
1 |
5 |
GE OSMONICS, INC. |
0 |
1 |
3 |
1 |
0 |
5 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
1 |
1 |
1 |
1 |
1 |
5 |
I. KRUGER, INC. |
0 |
1 |
2 |
0 |
2 |
5 |
JAPAN SCIENCE AND TECHNOLOGY CORPORATION |
3 |
2 |
0 |
0 |
0 |
5 |
JERRY L. MCKINNEY 2002 TRUST |
0 |
0 |
0 |
4 |
1 |
5 |
JMS CO., LTD. |
1 |
0 |
0 |
2 |
2 |
5 |
KOCH MEMBRANE SYSTEMS, INC. |
0 |
1 |
1 |
1 |
2 |
5 |
LANCER PARTNERSHIP LTD. |
4 |
0 |
1 |
0 |
0 |
5 |
LANXESS DEUTSCHLAND GMBH |
0 |
0 |
0 |
1 |
4 |
5 |
MIOX CORPORATION |
1 |
0 |
1 |
3 |
0 |
5 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
0 |
2 |
1 |
1 |
1 |
5 |
NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO |
3 |
0 |
1 |
0 |
1 |
5 |
PENTAIR PUMP GROUP, INC. |
0 |
1 |
2 |
1 |
1 |
5 |
TELEDYNE ISCO, INC. |
0 |
1 |
1 |
0 |
3 |
5 |
THE CLOROX COMPANY |
0 |
0 |
1 |
3 |
1 |
5 |
TOSHIBA CORPORATION |
0 |
1 |
2 |
1 |
1 |
5 |
TOSOH CORPORATION |
2 |
1 |
0 |
1 |
1 |
5 |
TROJAN TECHNOLOGIES INC. |
1 |
0 |
2 |
0 |
2 |
5 |
UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INCORPORATED |
2 |
0 |
2 |
1 |
0 |
5 |
WATER STANDARD COMPANY, LLC |
0 |
0 |
2 |
1 |
2 |
5 |
WRT INTERNATIONAL LLC |
0 |
0 |
2 |
0 |
3 |
5 |