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

Patenting In Technology Classes,
Breakout By Organization

Count of 2008 - 2012 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 2008 2009 2010 2011 2012 Total
~INDIVIDUALLY OWNED PATENT 25 27 23 28 20 123
DONALDSON COMPANY, INC. 16 12 11 33 27 99
SAMSUNG KWANG-JU ELECTRONICS CO., LTD. 17 26 29 5 0 77
MANN & HUMMEL GMBH 4 9 11 19 30 73
IBIDEN CO., LTD. 11 6 11 8 6 42
LG ELECTRONICS INC. 5 12 11 10 2 40
CUMMINS FILTRATION IP, INC. 0 5 11 11 10 37
NGK INSULATORS LTD. 10 11 1 3 1 26
CORNING INCORPORATED 1 6 8 3 5 23
GENERAL ELECTRIC COMPANY 2 2 2 7 6 19
DYSON TECHNOLOGY LIMITED 1 3 3 4 5 16
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 3 4 0 3 6 16
3M INNOVATIVE PROPERTIES COMPANY 5 1 4 3 2 15
G.B.D. CORP. 2 1 5 5 2 15
HONEYWELL INTERNATIONAL INC. 5 2 5 3 0 15
BALDWIN FILTERS, INC. 1 1 4 4 3 13
AAF - MCQUAY INC. 1 2 1 5 3 12
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 1 2 6 3 12
PARKER HANNIFIN (UK) LTD. 5 1 2 2 1 11
SAMSUNG ELECTRONICS CO., LTD. 3 1 1 2 4 11
CATERPILLAR INC. 2 2 2 2 2 10
SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN 1 3 2 4 0 10
CAMFIL FARR INC. 0 1 1 4 3 9
GEO2 TECHNOLOGIES, INC. 0 2 0 7 0 9
CARL FREUDENBERG KG 1 4 0 1 2 8
EURO-PRO OPERATING, LLC 4 1 1 0 2 8
BLACK & DECKER INC. 2 3 1 0 1 7
ELECTROLUX HOME CARE PRODUCTS, INC. 1 2 1 2 1 7
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 1 1 3 2 7
HOLLINGSWORTH + VOSE COMPANY 0 0 0 3 4 7
ILLINOIS TOOL WORKS INC. 0 1 2 0 4 7
ALFA LAVAL CORPORATE AB 1 1 3 1 0 6
ALSTOM TECHNOLOGY LTD 0 0 0 4 2 6
BHA GROUP HOLDINGS, INC. 0 0 0 4 2 6
BISSELL HOMECARE, INC. 0 1 3 2 0 6
DOW GLOBAL TECHNOLOGIES INC. 1 0 0 3 2 6
MAHLE INTERNATIONAL GMBH 0 0 4 1 1 6
ORECK HOLDINGS LLC 0 1 5 0 0 6
ROBERT BOSCH GMBH 0 2 0 2 2 6
SHELL OIL COMPANY 2 1 1 1 1 6
VAX LIMITED 0 5 1 0 0 6
BOSCH SIEMENS HAUSGERATE GMBH 3 0 1 0 1 5
CAMFIL AB 0 0 1 4 0 5
DEERE + COMPANY 0 1 2 1 1 5
EMITEC GESELLSCHAFT FUR EMISSIONSTECHNOLOGIE MBH 0 2 1 2 0 5
EUROFILTERS N.V. 0 0 0 3 2 5
HITACHI METALS LTD. 0 1 2 1 1 5
JOHNS MANVILLE 0 2 0 1 2 5
SANYO ELECTRIC CO., LTD. 1 2 2 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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