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

Patenting In Technology Classes,
Breakout By Organization

Count of 2006 - 2010 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 2006 2007 2008 2009 2010 Total
~INDIVIDUALLY OWNED PATENT 21 18 25 27 23 114
SAMSUNG KWANG-JU ELECTRONICS CO., LTD. 10 10 17 26 29 92
DONALDSON COMPANY, INC. 10 13 16 12 11 62
NGK INSULATORS LTD. 7 6 10 11 1 35
MANN & HUMMEL GMBH 4 5 4 9 11 33
LG ELECTRONICS INC. 1 3 5 12 11 32
IBIDEN CO., LTD. 1 2 11 6 11 31
CORNING INCORPORATED 1 5 1 6 8 21
CUMMINS FILTRATION IP, INC. 0 2 0 5 11 18
3M INNOVATIVE PROPERTIES COMPANY 2 4 5 1 4 16
HONEYWELL INTERNATIONAL INC. 3 1 5 2 5 16
ALFA LAVAL CORPORATE AB 5 0 1 1 3 10
DYSON TECHNOLOGY LIMITED 0 3 1 3 3 10
CATERPILLAR INC. 0 3 2 2 2 9
FLEETGUARD, INC. 2 3 2 2 0 9
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 0 3 4 0 9
G.B.D. CORP. 0 0 2 1 5 8
PARKER HANNIFIN (UK) LTD. 0 0 5 1 2 8
SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN 0 2 1 3 2 8
SAMSUNG ELECTRONICS CO., LTD. 1 2 3 1 1 8
BALDWIN FILTERS, INC. 0 1 1 1 4 7
BLACK & DECKER INC. 1 0 2 3 1 7
CARL FREUDENBERG KG 1 1 1 4 0 7
ORECK HOLDINGS LLC 0 1 0 1 5 7
SANYO ELECTRIC CO., LTD. 1 1 1 2 2 7
AAF - MCQUAY INC. 1 1 1 2 1 6
ANDREAS STIHL AG & CO. 1 3 0 0 2 6
EMITEC GESELLSCHAFT FUR EMISSIONSTECHNOLOGIE MBH 1 2 0 2 1 6
EURO-PRO OPERATING, LLC 0 0 4 1 1 6
GENERAL ELECTRIC COMPANY 0 0 2 2 2 6
SHELL OIL COMPANY 1 1 2 1 1 6
VAX LIMITED 0 0 0 5 1 6
WIX FILTRATION CORP. 2 1 2 1 0 6
BISSELL HOMECARE, INC. 0 1 0 1 3 5
BOSCH SIEMENS HAUSGERATE GMBH 1 0 3 0 1 5
CAMFIL FARR INC. 1 2 0 1 1 5
ROYAL APPLIANCE MANUFACTURING CO., INC. 1 0 1 3 0 5
THE HOOVER COMPANY 0 4 1 0 0 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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