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

Patenting In Technology Classes,
Breakout By Organization

Count of 2007 - 2011 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 2007 2008 2009 2010 2011 Total
~INDIVIDUALLY OWNED PATENT 183 167 168 197 176 891
MILLIPORE CORPORATION 7 7 8 13 12 47
GENERAL ELECTRIC COMPANY 4 4 8 14 11 41
SIEMENS WATER TECHNOLOGIES CORP. 6 7 9 15 3 40
PALL CORPORATION 6 10 3 8 11 38
MANN & HUMMEL GMBH 3 6 12 6 9 36
GAMBRO LUNDIA AB 4 4 6 5 13 32
CUMMINS FILTRATION IP, INC. 0 0 4 8 18 30
OTV SOCIETE ANONYME 4 7 3 8 4 26
ZENON TECHNOLOGY PARTNERSHIP 9 2 6 4 4 25
BAXTER INTERNATIONAL INC. 5 4 1 2 12 24
GE HEALTHCARE BIO-SCIENCES AB 3 7 4 5 5 24
HONEYWELL INTERNATIONAL INC. 4 4 6 5 5 24
3M INNOVATIVE PROPERTIES COMPANY 2 2 6 8 1 19
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 1 2 6 7 2 18
DIONEX CORPORATION 3 4 4 1 5 17
ENTEGRIS, INC. 4 6 2 1 4 17
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 2 2 0 7 6 17
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 6 4 1 3 3 17
SIEMENS WATER TECHNOLOGIES HOLDING CORP. 5 7 4 0 1 17
AGILENT TECHNOLOGIES, INC. 1 3 5 4 3 16
KING TECHNOLOGY, INC 3 4 2 3 4 16
M-I L.L.C 2 3 3 3 5 16
HITACHI PLANT TECHNOLOGIES,LTD. 0 4 6 2 3 15
NGK INSULATORS LTD. 6 2 1 2 4 15
OUTOTEC OYJ 1 2 3 5 4 15
PROCTER + GAMBLE COMPANY 7 2 0 4 2 15
DAICEL CHEMICAL INDUSTRIES LTD. 4 3 1 4 2 14
E. I. DU PONT DE NEMOURS AND COMPANY 0 1 3 4 6 14
RG DELAWARE, INC. 3 0 1 5 5 14
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 3 1 1 4 5 14
HYDAC FILTERTECHNIK GMBH 3 5 0 2 3 13
KURITA WATER INDUSTRIES LTD. 3 4 0 0 6 13
NALCO COMPANY 2 2 3 3 3 13
BALDWIN FILTERS, INC. 5 3 0 0 4 12
DONALDSON COMPANY, INC. 2 1 2 2 5 12
FLEETGUARD, INC. 5 5 1 0 1 12
GE OSMONICS, INC. 1 0 3 5 3 12
INSTITUT FRANCAIS DU PETROLE 4 2 6 0 0 12
SHIMADZU CORPORATION 4 1 4 0 3 12
WIX FILTRATION CORP. 3 4 2 3 0 12
EASTMAN KODAK COMPANY 3 7 0 0 1 11
EBARA CORPORATION 3 5 0 1 2 11
FENWAL, INC. 4 3 1 1 2 11
MITSUBISHI RAYON CO., LTD. 3 1 2 1 4 11
TETRA HOLDING (US), INC. 2 2 2 4 1 11
THINKVILLAGE-KERFOOT, LLC 0 1 4 6 0 11
ASAHI KASEI MEDICAL CO., LTD. 2 3 2 3 0 10
BIOMET BIOLOGICS, LLC 0 1 0 3 6 10
COMMISSARIAT A L'ENERGIE ATOMIQUE 3 2 0 2 3 10
HANUMAN LLC 1 1 1 4 3 10
NXSTAGE MEDICAL, INC. 2 1 2 3 2 10
TORAY INDUSTRIES INC. 3 2 2 1 2 10
UOP 1 4 1 3 1 10
WATERS TECHNOLOGIES CORPORATION 0 0 2 4 4 10
AMCOL INTERNATIONAL CORPORATION 1 1 2 1 4 9
ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC 5 1 2 1 0 9
CIBA SPECIALTY CHEMICALS WATER TREATMENTS LIMITED 1 0 2 4 2 9
DEGREMONT S.A. 3 1 0 2 3 9
DOW GLOBAL TECHNOLOGIES INC. 1 0 0 2 6 9
HEMERUS MEDICAL, LLC 2 0 1 3 3 9
PARKER-HANNIFIN CORPORATION 3 2 1 1 2 9
THERMACO, INC. 2 3 2 2 0 9
TOSHIBA CORPORATION 1 1 0 4 3 9
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY 3 2 2 1 1 9
AQUA-AEROBIC SYSTEMS INC. 1 1 0 2 4 8
BASF AKTIENGESELLSCHAFT 1 4 0 2 1 8
CONOCOPHILLIPS COMPANY 0 3 1 1 3 8
CONTECH STORMWATER SOLUTIONS INC. 3 1 2 2 0 8
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH 3 1 3 1 0 8
HITACHI HIGH-TECHNOLOGIES CORPORATION 1 0 1 4 2 8
HITACHI, LTD 2 1 0 3 2 8
LANXESS DEUTSCHLAND GMBH 1 4 1 2 0 8
NORTHWESTERN UNIVERSITY 1 2 2 1 2 8
PRAXAIR TECHNOLOGY, INC. 1 2 2 3 0 8
PUR WATER PURIFICATION PRODUCTS, INC. 0 1 5 2 0 8
PUROLATOR FILTERS NA LLC 2 1 1 2 2 8
SANDIA CORPORATION 5 0 2 1 0 8
UNIVERSITY OF CENTRAL FLORIDA 0 0 0 2 6 8
ACCESS BUSINESS GROUP INTERNATIONAL LLC 4 1 0 1 1 7
BUNRI INCORPORATED 2 1 1 0 3 7
EARTH RENAISSANCE TECHNOLOGIES, LLC 0 3 1 0 3 7
ECOLAB INC. 1 1 3 1 1 7
HALLIBURTON ENERGY SERVICES, INC. 2 3 0 1 1 7
NITTO DENKO CORPORATION 2 0 0 1 4 7
UNITED STATES OF AMERICA, NAVY 2 1 0 1 3 7
WATERS INVESTMENTS LIMITED 3 4 0 0 0 7
WRT INTERNATIONAL LLC 0 3 2 2 0 7
ASAHI KASEI CHEMICALS CORPORATION 0 0 1 1 4 6
CARIDIANBCT, INC. 0 1 2 2 1 6
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS 0 3 0 1 2 6
CH2M HILL, INC. 2 1 1 1 1 6
FORET PLASMA LABS, LLC 0 1 1 1 3 6
INTERNATIONAL BUSINESS MACHINES CORPORATION 2 1 0 1 2 6
JERRY L. MCKINNEY 2002 TRUST 4 1 1 0 0 6
LIPID SCIENCES, INC. 4 2 0 0 0 6
MEURER RESEARCH, INC. 2 1 0 1 2 6
SANYO ELECTRIC CO., LTD. 2 3 0 0 1 6
SARTORIUS STEDIM BIOTECH GMBH 1 3 1 1 0 6
SCHLUMBERGER TECHNOLOGY CORPORATION 0 1 1 2 2 6
SPX CORPORATION 2 2 0 1 1 6
TRUOX, INC. 2 1 1 2 0 6
VARIAN, INC. 1 4 1 0 0 6
WATER STANDARD COMPANY, LLC 1 2 3 0 0 6
ZODIAC POOL CARE, INC. 3 2 1 0 0 6
ARTERIOCYTE MEDICAL SYSTEMS, INC. 0 2 0 1 2 5
BASF SE 0 1 0 0 4 5
BASIN WATER, INC. 2 3 0 0 0 5
CALIFORNIA INSTITUTE OF TECHNOLOGY 2 1 0 1 1 5
CATERPILLAR INC. 2 1 0 2 0 5
CELGARD INC. 1 0 2 2 0 5
CLEARWATER SYSTEMS CORPORATION 1 0 4 0 0 5
CLEMSON UNIVERSITY 2 2 0 1 0 5
EASTMAN CHEMICAL COMPANY 3 1 0 0 1 5
ECOWATER SYSTEMS LLC 1 0 0 1 3 5
ELM TECHNOLOGIES, L.L.C. 4 1 0 0 0 5
ENVIROGEN TECHNOLOGIES, INC. 0 0 0 4 1 5
F. L. SMIDTH & CO. A/S 0 0 1 3 1 5
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH 1 0 0 3 1 5
FUJIFILM CORPORATION 1 3 0 0 1 5
HANS HUBER AG MASCHINEN-UND ANLAGENBAU 1 2 2 0 0 5
JMS CO., LTD. 2 2 1 0 0 5
JVK FILTRATION SYSTEMS GMBH 1 1 0 1 2 5
KOBELCO ECO-SOLUTIONS CO., LTD. 0 0 0 0 5 5
KURARAY CO., LTD. 0 1 1 1 2 5
KX TECHNOLOGIES, LLC 2 1 0 0 2 5
MATHESON TRI-GAS, INC. 0 0 2 1 2 5
MEMBRANE TECHNOLOGY & RESEARCH, INC. 0 0 2 2 1 5
NEWA TECNO INDUSTRIA S.R.L. 0 0 4 1 0 5
NIFCO INC. 0 1 1 0 3 5
NUTECH 03 1 4 0 0 0 5
ORGANO CORPORATION 1 2 1 1 0 5
PENTAIR FILTRATION, INC. 0 0 3 2 0 5
PHASE, INC. 2 3 0 0 0 5
ROHM AND HAAS COMPANY 1 1 1 2 0 5
SCHREIBER, LLC 0 2 2 1 0 5
SCHROEDER INDUSTRIES L.L.C. 2 1 1 0 1 5
SELECTO, INC. 2 2 0 1 0 5
SHELL OIL COMPANY 1 1 2 1 0 5
TOYO BOSEKI KABUSHIKI KAISHA 0 1 2 0 2 5
TOYOTA BOSHOKU KABUSHIKI KAISHA 0 1 0 2 2 5
TRANSVIVO, INC. 2 0 3 0 0 5
UTAH STATE UNIVERSITY 1 0 2 2 0 5


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Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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