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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)
Patenting In Technology Classes, Breakout By Organization
Count of 2000 - 2004 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 096, Gas Separation: Apparatus
( 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
22
25
25
17
23
112
3M INNOVATIVE PROPERTIES COMPANY
3
3
6
2
2
16
IDATECH LLC
1
1
3
6
5
16
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
3
1
5
0
0
9
DONALDSON COMPANY, INC.
3
1
1
1
1
7
PRAXAIR TECHNOLOGY, INC.
0
1
2
2
2
7
ADVANCED TECHNOLOGY MATERIALS, INC.
1
0
0
3
2
6
FILTERWERK MANN + HUMMEL GMBH
0
1
1
4
0
6
HAMILTON BEACH/PROCTOR-SILEX, INC.
0
2
2
1
1
6
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.)
0
0
2
1
3
6
HONEYWELL INTERNATIONAL INC.
0
1
3
2
0
6
REXAIR, INC.
1
2
2
1
0
6
STANHOPE PRODUCTS COMPANY
2
0
1
2
1
6
GORE ENTERPRISE HOLDINGS, INC.
0
2
1
0
2
5
HEWLETT-PACKARD COMPANY
3
2
0
0
0
5
MULTISORB TECHNOLOGIES, INC.
0
1
1
2
1
5
QUESTAIR TECHNOLOGIES INC.
0
0
3
2
0
5
PTMD Contacts
Questions regarding these reports should be directed to:
U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450
tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov
address of PTMD pages at the USPTO Web Site:
http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from :
ftp.uspto.gov/pub/taf/
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