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

Patenting In Technology Classes,
Breakout By Organization

Count of 2009 - 2013 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 2009 2010 2011 2012 2013 Total
~INDIVIDUALLY OWNED PATENT 27 23 28 20 33 131
DONALDSON COMPANY, INC. 12 11 33 27 37 120
MANN & HUMMEL GMBH 9 11 19 30 18 87
SAMSUNG KWANG-JU ELECTRONICS CO., LTD. 26 29 5 0 0 60
CUMMINS FILTRATION IP, INC. 5 11 11 10 8 45
IBIDEN CO., LTD. 6 11 8 6 5 36
LG ELECTRONICS INC. 12 11 10 2 0 35
GENERAL ELECTRIC COMPANY 2 2 7 6 12 29
CORNING INCORPORATED 6 8 3 5 6 28
NGK INSULATORS LTD. 11 1 3 1 6 22
3M INNOVATIVE PROPERTIES COMPANY 1 4 3 2 10 20
DYSON TECHNOLOGY LIMITED 3 3 4 5 3 18
BALDWIN FILTERS, INC. 1 4 4 3 4 16
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 4 0 3 6 3 16
GM GLOBAL TECHNOLOGY OPERATIONS LLC 1 2 6 3 3 15
G.B.D. CORP. 1 5 5 2 1 14
SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN 3 2 4 0 4 13
FORD GLOBAL TECHNOLOGIES, L.L.C. 1 1 3 2 5 12
AAF - MCQUAY INC. 2 1 5 3 0 11
HOLLINGSWORTH + VOSE COMPANY 0 0 3 4 4 11
HONEYWELL INTERNATIONAL INC. 2 5 3 0 1 11
SAMSUNG ELECTRONICS CO., LTD. 1 1 2 4 3 11
CAMFIL FARR INC. 1 1 4 3 1 10
CATERPILLAR INC. 2 2 2 2 2 10
EMITEC GESELLSCHAFT FUR EMISSIONSTECHNOLOGIE MBH 2 1 2 0 5 10
CARL FREUDENBERG KG 4 0 1 2 2 9
DAIKIN INDUSTRIES LIMITED 0 0 3 1 5 9
GEO2 TECHNOLOGIES, INC. 2 0 7 0 0 9
HITACHI METALS LTD. 1 2 1 1 4 9
MAHLE INTERNATIONAL GMBH 0 4 1 1 2 8
ILLINOIS TOOL WORKS INC. 1 2 0 4 0 7
ROBERT BOSCH GMBH 2 0 2 2 1 7
ALSTOM TECHNOLOGY LTD 0 0 4 2 0 6
BHA GROUP HOLDINGS, INC. 0 0 4 2 0 6
BISSELL HOMECARE, INC. 1 3 2 0 0 6
DOW GLOBAL TECHNOLOGIES LLC 0 0 3 2 1 6
E. I. DU PONT DE NEMOURS AND COMPANY 0 1 0 3 2 6
ELECTROLUX HOME CARE PRODUCTS, INC. 2 1 2 1 0 6
JOHNS MANVILLE 2 0 1 2 1 6
ORECK HOLDINGS LLC 1 5 0 0 0 6
PARKER HANNIFIN (UK) LTD. 1 2 2 1 0 6
VAX LIMITED 5 1 0 0 0 6
ALFA LAVAL CORPORATE AB 1 3 1 0 0 5
BLACK & DECKER INC. 3 1 0 1 0 5
CAMFIL AB 0 1 4 0 0 5
DEERE + COMPANY 1 2 1 1 0 5
EUROFILTERS HOLDING N.V. 0 0 0 2 3 5
EUROFILTERS N.V. 0 0 3 2 0 5
MITSUBISHI HEAVY INDUSTRIES, LTD. 0 0 4 0 1 5
NITTO DENKO CORPORATION 0 1 0 1 3 5
SANYO ELECTRIC CO., LTD. 2 2 0 0 1 5
ZIPWALL, LLC 0 1 1 1 2 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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