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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2005 - 2009 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 210, Liquid Purification or Separation

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant.
First-Named Assignee 2005 2006 2007 2008 2009 Total
~INDIVIDUALLY OWNED PATENT 204 185 183 167 168 907
MILLIPORE CORPORATION 6 10 7 7 8 38
PALL CORPORATION 9 5 6 10 3 33
MANN & HUMMEL GMBH 2 3 3 6 12 26
BAXTER INTERNATIONAL INC. 6 7 5 4 1 23
3M INNOVATIVE PROPERTIES COMPANY 0 12 2 2 6 22
SIEMENS WATER TECHNOLOGIES CORP. 0 0 6 7 9 22
GE HEALTHCARE BIO-SCIENCES AB 0 6 3 7 4 20
GENERAL ELECTRIC COMPANY 3 1 4 4 8 20
OTV SOCIETE ANONYME 2 3 4 7 3 19
HONEYWELL INTERNATIONAL INC. 2 2 4 4 6 18
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 2 5 6 4 1 18
U.S. FILTER CORPORATION 3 14 1 0 0 18
ZENON TECHNOLOGY PARTNERSHIP 0 1 9 2 6 18
ENTEGRIS, INC. 0 5 4 6 2 17
FLEETGUARD, INC. 4 2 5 5 1 17
ZENON ENVIRONMENTAL INC. 9 8 0 0 0 17
GAMBRO LUNDIA AB 0 2 4 4 6 16
SIEMENS WATER TECHNOLOGIES HOLDING CORP. 0 0 5 7 4 16
WIX FILTRATION CORP. 5 1 3 4 2 15
AGILENT TECHNOLOGIES, INC. 1 4 1 3 5 14
KING TECHNOLOGY, INC 0 5 3 4 2 14
BALDWIN FILTERS, INC. 2 3 5 3 0 13
DIONEX CORPORATION 1 1 3 4 4 13
PARKER-HANNIFIN CORPORATION 3 4 3 2 1 13
SANYO ELECTRIC CO., LTD. 3 5 2 3 0 13
INSTITUT FRANCAIS DU PETROLE 0 0 4 2 6 12
NALCO COMPANY 4 1 2 2 3 12
SHIMADZU CORPORATION 2 1 4 1 4 12
UNITED STATES OF AMERICA, NAVY 1 8 2 1 0 12
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 6 1 3 1 1 12
CH2M HILL, INC. 3 4 2 1 1 11
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH 3 1 3 1 3 11
DAICEL CHEMICAL INDUSTRIES LTD. 1 2 4 3 1 11
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 4 3 2 2 0 11
KURITA WATER INDUSTRIES LTD. 2 2 3 4 0 11
M-I L.L.C 3 0 2 3 3 11
NGK INSULATORS LTD. 1 1 6 2 1 11
PROCTER + GAMBLE COMPANY 2 0 7 2 0 11
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 0 1 2 6 11
THERMACO, INC. 2 2 2 3 2 11
EASTMAN KODAK COMPANY 0 0 3 7 0 10
EBARA CORPORATION 1 1 3 5 0 10
HITACHI PLANT TECHNOLOGIES,LTD. 0 0 0 4 6 10
HYDAC FILTERTECHNIK GMBH 1 1 3 5 0 10
UOP 2 2 1 4 1 10
ASAHI KASEI MEDICAL CO., LTD. 0 2 2 3 2 9
ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC 0 1 5 1 2 9
PUR WATER PURIFICATION PRODUCTS, INC. 1 2 0 1 5 9
RG DELAWARE, INC. 1 4 3 0 1 9
SANDIA CORPORATION 0 2 5 0 2 9
SPX CORPORATION 2 3 2 2 0 9
TETRA HOLDING (US), INC. 2 1 2 2 2 9
TORAY INDUSTRIES INC. 1 1 3 2 2 9
U.S. FILTER WASTEWATER GROUP, INC. 6 1 2 0 0 9
ZODIAC POOL CARE, INC. 1 2 3 2 1 9
BASIN WATER, INC. 2 1 2 3 0 8
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 1 3 2 0 8
CONOCOPHILLIPS COMPANY 4 0 0 3 1 8
CUNO INC. 7 1 0 0 0 8
FENWAL, INC. 0 0 4 3 1 8
FILTERWERK MANN + HUMMEL GMBH 5 2 1 0 0 8
GE OSMONICS, INC. 1 3 1 0 3 8
HALLIBURTON ENERGY SERVICES, INC. 3 0 2 3 0 8
LIPID SCIENCES, INC. 0 2 4 2 0 8
MARINE DESALINATION SYSTEMS, L.L.C. 2 3 1 0 2 8
ORGANO CORPORATION 2 2 1 2 1 8
VARIAN, INC. 1 1 1 4 1 8
WATER STANDARD COMPANY, LLC 0 2 1 2 3 8
WATERS INVESTMENTS LIMITED 0 1 3 4 0 8
ACCESS BUSINESS GROUP INTERNATIONAL LLC 1 1 4 1 0 7
AQUA-AEROBIC SYSTEMS INC. 3 2 1 1 0 7
BASF AKTIENGESELLSCHAFT 1 1 1 4 0 7
DHARMA LIVING SYSTEMS, INC. 3 3 1 0 0 7
HITACHI HIGH-TECHNOLOGIES CORPORATION 2 3 1 0 1 7
HITACHI, LTD 2 2 2 1 0 7
INTRINSIC BIOPROBES, INC. 0 5 1 0 1 7
PHASE, INC. 2 0 2 3 0 7
SARTORIUS AG 5 1 1 0 0 7
SCHROEDER INDUSTRIES L.L.C. 2 1 2 1 1 7
SHELL OIL COMPANY 2 1 1 1 2 7
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY 0 0 3 2 2 7
WRT INTERNATIONAL LLC 0 2 0 3 2 7
AKZO NOBEL NV 3 1 1 1 0 6
ARVIN TECHNOLOGIES, INC. 5 1 0 0 0 6
BOC GROUP, INC. 1 4 1 0 0 6
CLEMSON UNIVERSITY 1 1 2 2 0 6
CONTECH STORMWATER SOLUTIONS INC. 0 0 3 1 2 6
DONALDSON COMPANY, INC. 0 1 2 1 2 6
E. I. DU PONT DE NEMOURS AND COMPANY 1 1 0 1 3 6
ELM TECHNOLOGIES, L.L.C. 1 0 4 1 0 6
GAMBRO, INC. 0 4 2 0 0 6
GLOBAL BIOSCIENCES, INC. 2 0 2 1 1 6
HANS HUBER AG MASCHINEN-UND ANLAGENBAU 0 1 1 2 2 6
HYDROTREAT, INC. 3 0 2 0 1 6
JERRY L. MCKINNEY 2002 TRUST 0 0 4 1 1 6
KINETICO, INC. 1 1 2 1 1 6
LANXESS DEUTSCHLAND GMBH 0 0 1 4 1 6
MAHLE FILTERSYSTEME GMBH 4 0 1 0 1 6
MEDTRONIC INC. 3 1 2 0 0 6
MEURER RESEARCH, INC. 1 2 2 1 0 6
MITSUBISHI RAYON CO., LTD. 0 0 3 1 2 6
MYKROLIS CORPORATION 3 3 0 0 0 6
NANOSTREAM, INC. 2 2 2 0 0 6
NEPHROS, INC. 1 3 1 0 1 6
NITTO DENKO CORPORATION 3 1 2 0 0 6
NUTECH 03 1 0 1 4 0 6
NXSTAGE MEDICAL, INC. 0 1 2 1 2 6
OUTOTEC OYJ 0 0 1 2 3 6
PARKER INTANGIBLES LLC 0 2 2 2 0 6
PENTAIR PUMP GROUP, INC. 1 2 2 1 0 6
SASOL TECHNOLOGY (PROPRIETARY) LIMITED 0 4 2 0 0 6
TRANSVIVO, INC. 1 0 2 0 3 6
TROJAN TECHNOLOGIES INC. 0 2 0 2 2 6
AMERSHAM BIOSCIENCES AB 3 2 0 0 0 5
AQUAFIBER TECHNOLOGIES CORPORATION 1 2 1 0 1 5
BIOPROCESS TECHNOLOGIES, LTD. 5 0 0 0 0 5
CALGON CARBON CORPORATION 0 2 0 2 1 5
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS 1 1 0 3 0 5
CIBA SPECIALTY CHEMICALS WATER TREATMENTS LIMITED 1 1 1 0 2 5
CLEARWATER SYSTEMS CORPORATION 0 0 1 0 4 5
DANISCO SWEETENERS OY 2 1 1 1 0 5
DEGREMONT S.A. 0 1 3 1 0 5
DENSO CORPORATION 3 1 1 0 0 5
EASTMAN CHEMICAL COMPANY 1 0 3 1 0 5
ECOLAB INC. 0 0 1 1 3 5
FINNFEEDS FINLAND OY 0 3 1 1 0 5
I. KRUGER, INC. 1 2 0 2 0 5
JMS CO., LTD. 0 0 2 2 1 5
KOCH MEMBRANE SYSTEMS, INC. 1 1 1 2 0 5
MAYFRAN INTERNATIONAL B.V. 0 3 0 0 2 5
MITSUBISHI DENKI KABUSHIKI KAISHA 2 1 1 1 0 5
NORTHWESTERN UNIVERSITY 0 0 1 2 2 5
OUTOKUMPU OYJ 5 0 0 0 0 5
PRAXAIR TECHNOLOGY, INC. 0 0 1 2 2 5
PTI TECHNOLOGIES, INC. 5 0 0 0 0 5
PUROLATOR FILTERS NA LLC 0 1 2 1 1 5
SARTORIUS STEDIM BIOTECH GMBH 0 0 1 3 1 5
STANADYNE CORPORATION 4 0 0 1 0 5
TELEDYNE ISCO, INC. 1 1 0 3 0 5
THE CLOROX COMPANY 0 1 3 1 0 5
THINKVILLAGE-KERFOOT, LLC 0 0 0 1 4 5
TOSHIBA CORPORATION 1 2 1 1 0 5
TOYO BOSEKI KABUSHIKI KAISHA 0 2 0 1 2 5
TRUOX, INC. 1 0 2 1 1 5
WATERVISIONS INTERNATIONAL, INC. 3 0 2 0 0 5


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email: oeip@uspto.gov

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