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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.
~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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