Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


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

Patenting In Technology Classes,
Breakout By Organization

Count of 2007 - 2011 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 2007 2008 2009 2010 2011 Total
~INDIVIDUALLY OWNED PATENT 31 51 30 43 33 188
SWAGELOK COMPANY 2 5 2 7 3 19
TOKAI RUBBER INDUSTRIES, LTD. 4 9 3 3 0 19
EATON CORPORATION 1 3 6 5 3 18
LEGRIS SA 3 5 0 7 2 17
NORMA GERMANY GMBH 1 4 3 3 5 16
PARKER-HANNIFIN CORPORATION 1 1 2 9 1 14
TI GROUP AUTOMOTIVE SYSTEMS, LLC 0 3 7 2 2 14
VALLOUREC MANNESMANN OIL & GAS FRANCE 0 2 3 4 5 14
VICTAULIC COMPANY OF AMERICA 0 2 3 6 3 14
DENSO CORPORATION 2 5 1 3 2 13
HYDRIL COMPANY L.P. 1 3 1 4 3 12
SUMITOMO METAL INDUSTRIES CO., LTD. 0 1 1 3 6 11
WEATHERFORD/LAMB, INC. 1 4 3 2 1 11
BREEZE-TORCA PRODUCTS, LLC 3 3 3 1 0 10
VOSS AUTOMOTIVE GMBH 1 3 1 2 3 10
A. RAYMOND ET CIE. 0 2 3 4 0 9
STAUBLI FAVERGES 1 0 3 3 2 9
AIRBUS DEUTSCHLAND GMBH 0 0 0 6 2 8
BRIDGEPORT FITTINGS, INC. 0 3 2 2 1 8
GATES CORPORATION 0 3 2 1 2 8
JOHN GUEST INTERNATIONAL LIMITED 0 3 0 3 2 8
HYDRIL LLC 0 0 5 2 0 7
GRANT PRIDECO, L.P. 1 2 2 1 0 6
ILLINOIS TOOL WORKS INC. 1 2 2 0 1 6
NATIONAL COUPLING COMPANY, INC. 1 1 1 0 3 6
SANOH KOGYO KABUSHIKI KAISHA 0 1 3 0 2 6
SMC KABUSHIKI KAISHA 3 1 1 1 0 6
UPONOR INNOVATION AB 0 1 0 5 0 6
VIEGA GMBH & CO., KG 0 1 1 1 3 6
DAIKIN INDUSTRIES LIMITED 0 1 1 0 3 5
DAYCO FLUID TECHNOLOGIES S.P.A. 0 0 1 2 2 5
GE-HITACHI NUCLEAR ENERGY AMERICAS LLC 0 0 0 1 4 5
KRAUSZ INDUSTRIES DEVELOPMENT LTD. 0 0 0 4 1 5
NIPPON PILLAR PACKING CO. LTD. 0 1 1 1 2 5
NITTO KOHKI COMPANY LIMITED 0 1 1 2 1 5
PIOLAX, INC. 0 1 4 0 0 5
S & B TECHNICAL PRODUCTS, INC. 0 0 3 2 0 5
WABTEC HOLDING CORPORATION 0 5 0 0 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/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports