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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 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 285, Pipe Joints or Couplings

( 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 2004 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 43 33 38 31 51 196
TOKAI RUBBER INDUSTRIES, LTD. 2 5 6 4 9 26
LEGRIS SA 4 3 4 3 5 19
ITT MANUFACTURING ENTERPRISES, INC. 4 3 6 0 0 13
PARKER-HANNIFIN CORPORATION 4 4 3 1 1 13
WEATHERFORD/LAMB, INC. 3 2 3 1 4 13
GRANT PRIDECO, L.P. 3 5 1 1 2 12
SMC KABUSHIKI KAISHA 2 4 2 3 1 12
ROBERT BOSCH GMBH 4 2 3 1 1 11
SWAGELOK COMPANY 1 0 3 2 5 11
DENSO CORPORATION 0 0 3 2 5 10
JOHN GUEST INTERNATIONAL LIMITED 1 4 2 0 3 10
BREEZE-TORCA PRODUCTS, LLC 1 1 1 3 3 9
EATON CORPORATION 1 3 0 1 3 8
HYDRIL COMPANY L.P. 1 1 2 1 3 8
BOEING COMPANY 1 2 3 0 1 7
CALSONIC KANSEI CORPORATION 0 0 3 1 3 7
RASMUSSEN GMBH 3 2 1 1 0 7
SUMITOMO METAL INDUSTRIES CO., LTD. 4 2 0 0 1 7
TI GROUP AUTOMOTIVE SYSTEMS, LLC 2 0 2 0 3 7
GENERAL ELECTRIC COMPANY 2 1 1 1 1 6
NATIONAL COUPLING COMPANY, INC. 0 1 3 1 1 6
VALLOUREC MANNESMANN OIL & GAS FRANCE 4 0 0 0 2 6
VICTAULIC COMPANY OF AMERICA 0 1 3 0 2 6
VISTEON GLOBAL TECHNOLOGIES, INC. 3 2 1 0 0 6
VOSS AUTOMOTIVE GMBH 1 1 0 1 3 6
HUTCHINSON FTS, INC. 0 2 0 2 1 5
NORMA GERMANY GMBH 0 0 0 1 4 5
STAUBLI FAVERGES 0 4 0 1 0 5
TENARIS CONNECTIONS AG 0 3 0 2 0 5
UNITED STATES PIPE AND FOUNDRY COMPANY, LLC 1 0 3 1 0 5
USUI KOKUSAI SANGYO KABUSHIKI KAISHA 1 1 2 1 0 5
WABTEC HOLDING CORPORATION 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
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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