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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 138, Pipes and Tubular Conduits

( 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 2005 2006 2007 2008 2009 Total
~INDIVIDUALLY OWNED PATENT 24 20 17 15 27 103
TOKAI RUBBER INDUSTRIES, LTD. 3 12 3 1 5 24
HYDAC TECHNOLOGY GMBH 6 2 3 2 3 16
SHONAN GOSEI-JUSHI SEISAKUSHO K.K. 0 3 4 3 2 12
TECHNIP FRANCE 5 1 0 3 1 10
LMK ENTERPRISES, INC. 0 0 1 3 2 6
NKT FLEXIBLES I/S 2 3 1 0 0 6
TOYODA GOSEI KABUSHIKI KAISHA 1 2 1 1 1 6
WELLSTREAM INTERNATIONAL LIMITED 3 2 1 0 0 6
EATON CORPORATION 3 0 1 1 0 5
FIBERSPAR CORPORATION 2 1 0 0 2 5
THERMACOR PROCESS, INC. 1 3 0 1 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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