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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 055, Gas 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 16 21 18 25 27 107
SAMSUNG KWANG-JU ELECTRONICS CO., LTD. 4 10 10 17 26 67
DONALDSON COMPANY, INC. 6 10 13 16 12 57
NGK INSULATORS LTD. 3 7 6 10 11 37
MANN & HUMMEL GMBH 2 4 5 4 9 24
LG ELECTRONICS INC. 1 1 3 5 12 22
IBIDEN CO., LTD. 0 1 2 11 6 20
3M INNOVATIVE PROPERTIES COMPANY 3 2 4 5 1 15
CORNING INCORPORATED 2 1 5 1 6 15
FLEETGUARD, INC. 4 2 3 2 2 13
HONEYWELL INTERNATIONAL INC. 1 3 1 5 2 12
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 2 0 3 4 10
SAMSUNG ELECTRONICS CO., LTD. 1 1 2 3 1 8
ALFA LAVAL CORPORATE AB 0 5 0 1 1 7
CARL FREUDENBERG KG 0 1 1 1 4 7
CATERPILLAR INC. 0 0 3 2 2 7
CUMMINS FILTRATION IP, INC. 0 0 2 0 5 7
DYSON TECHNOLOGY LIMITED 0 0 3 1 3 7
SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN 1 0 2 1 3 7
BLACK & DECKER INC. 0 1 0 2 3 6
PARKER HANNIFIN (UK) LTD. 0 0 0 5 1 6
SHELL OIL COMPANY 1 1 1 2 1 6
WIX FILTRATION CORP. 0 2 1 2 1 6
AAF - MCQUAY INC. 0 1 1 1 2 5
ANDREAS STIHL AG & CO. 1 1 3 0 0 5
BABCOCK & WILCOX COMPANY 3 0 2 0 0 5
BOSCH SIEMENS HAUSGERATE GMBH 1 1 0 3 0 5
DYSON LIMITED 1 4 0 0 0 5
EMITEC GESELLSCHAFT FUR EMISSIONSTECHNOLOGIE MBH 0 1 2 0 2 5
EURO-PRO OPERATING, LLC 0 0 0 4 1 5
ROBERT BOSCH GMBH 2 1 0 0 2 5
ROYAL APPLIANCE MANUFACTURING CO., INC. 0 1 0 1 3 5
SANYO ELECTRIC CO., LTD. 0 1 1 1 2 5
THE HOOVER COMPANY 0 0 4 1 0 5
VAX LIMITED 0 0 0 0 5 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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