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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 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 49 50 51 49 43 242
ITT MANUFACTURING ENTERPRISES, INC. 3 3 6 8 4 24
TOKAI RUBBER INDUSTRIES, LTD. 2 4 5 5 2 18
PARKER-HANNIFIN CORPORATION 4 0 5 4 4 17
GENERAL ELECTRIC COMPANY 4 2 5 2 2 15
GRANT PRIDECO, L.P. 0 2 4 3 3 12
HYDRIL COMPANY L.P. 3 3 2 3 1 12
ARMATURENFABRIK HERMANN VOSS GMBH & CO. KG 6 3 1 1 0 11
LEGRIS SA 1 1 0 5 4 11
TOTAKU INDUSTRIES, INC. 0 3 6 2 0 11
USUI KOKUSAI SANGYO KABUSHIKI KAISHA 5 0 2 2 1 10
WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD. 4 2 2 1 1 10
A. RAYMOND ET CIE. 3 1 2 2 1 9
DANA CORPORATION 1 3 4 1 0 9
NIPPON PILLAR PACKING CO. LTD. 3 0 3 2 1 9
RASMUSSEN GMBH 1 3 1 1 3 9
SMC KABUSHIKI KAISHA 1 0 3 3 2 9
VALLOUREC MANNESMANN OIL & GAS FRANCE 0 1 3 1 4 9
ANTON HUMMEL VERWALTUNGS GMBH 1 2 3 1 1 8
MANNESMANN AG 3 3 0 2 0 8
SWAGELOK COMPANY 1 3 1 2 1 8
VICTAULIC COMPANY OF AMERICA 0 4 2 2 0 8
SUMITOMO METAL INDUSTRIES CO., LTD. 1 1 0 1 4 7
WEATHERFORD/LAMB, INC. 0 2 2 0 3 7
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 0 3 2 0 6
LINDAB AB 3 1 1 0 1 6
TI GROUP AUTOMOTIVE SYSTEMS, LLC 0 0 4 0 2 6
TRU-FLEX METAL HOSE CORPORATION 2 1 3 0 0 6
VISTEON GLOBAL TECHNOLOGIES, INC. 0 1 1 1 3 6
ADVANCED POLYMER TECHNOLOGY, INC. 3 1 0 1 0 5
AEROQUIP VICKERS INTERNATIONAL GMBH 1 0 1 3 0 5
COOPER CAMERON CORPORATION, INC. 1 1 2 1 0 5
DELPHI TECHNOLOGIES, INC. 0 0 1 2 2 5
GOODYEAR TIRE + RUBBER COMPANY 0 2 2 1 0 5
HALLIBURTON ENERGY SERVICES, INC. 2 1 0 2 0 5
MICRON TECHNOLOGY, INC. 1 2 1 1 0 5
NITTO KOHKI COMPANY LIMITED 2 0 1 2 0 5
PROPRIETARY TECHNOLOGY, INC. 3 2 0 0 0 5
ROBERT BOSCH GMBH 0 1 0 0 4 5
SENIOR INVESTMENTS AG 0 0 3 2 0 5
SINGLE BUOY MOORINGS INC. 0 1 1 2 1 5
THE LAMSON & SESSIONS CO. 1 2 0 0 2 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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