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

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 277, Seal for a Joint or Juncture

( 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 33 38 21 20 12 124
GENERAL ELECTRIC COMPANY 13 17 29 11 5 75
DANA CORPORATION 11 9 13 13 9 55
ISHIKAWA GASKET CO. LTD. 9 4 6 6 3 28
EAGLE INDUSTRY CO., LTD. 2 3 4 8 6 23
CARL FREUDENBERG 3 6 9 2 1 21
CATERPILLAR INC. 5 1 9 1 1 17
NOK CORPORATION 5 2 1 6 2 16
ELRING KLINGER AG 0 4 4 4 3 15
FEDERAL-MOGUL WORLD WIDE, INC. 4 3 1 5 2 15
NIPPON GASKET CO., LTD. 4 6 4 1 0 15
NIPPON PILLAR PACKING CO. LTD. 4 3 4 0 0 11
NIPPON PISTON RING CO., LTD. 4 1 2 3 1 11
MITSUBISHI HEAVY INDUSTRIES, LTD. 4 2 1 2 1 10
ROLLS-ROYCE PLC 5 0 2 2 1 10
FLOWSERVE MANAGEMENT COMPANY 4 4 1 0 0 9
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 2 1 2 4 9
HONEYWELL INTERNATIONAL INC. 0 2 3 2 2 9
NICHIAS CORPORATION 0 2 1 2 4 9
TRW INC. 4 2 1 1 1 9
UNITED TECHNOLOGIES CORPORATION 3 3 0 0 3 9
FREUDENBERG-NOK GENERAL PARTNERSHIP 1 3 1 2 1 8
JETSEAL, INC. 5 1 2 0 0 8
A. W. CHESTERTON COMPANY 0 2 1 3 1 7
ALSTOM TECHNOLOGY LTD 0 0 0 2 5 7
DICHTUNGSTECHNIK G. BRUSS GMBH & CO. KG 1 0 1 2 3 7
JOHN CRANE, INC. 2 1 3 1 0 7
MANNESMANN SACHS AG 3 1 1 2 0 7
MITSUBISHI CABLE INDUSTRIES, LTD. 1 2 1 2 1 7
NSK LIMITED 1 2 1 2 1 7
ROBERT BOSCH GMBH 3 2 0 0 2 7
BOEING COMPANY 1 3 0 1 1 6
DRESSER-RAND COMPANY 2 1 1 1 1 6
GENERAL MOTORS CORPORATION 1 0 0 4 1 6
KALSI ENGINEERING, INC. 2 3 1 0 0 6
MASCHINENFABRIK SULZER-BURCKHARDT AG 2 4 0 0 0 6
PARKER-HANNIFIN CORPORATION 1 2 1 1 1 6
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 3 1 2 0 0 6
UCHIYAMA MANUFACTURING CORP. 0 0 1 2 3 6
UNITED STATES OF AMERICA, NAVY 0 6 0 0 0 6
DELPHI TECHNOLOGIES, INC. 0 1 0 3 1 5
FEDERAL-MOGUL BURSCHEID GMBH 1 1 2 1 0 5
FMC TECHNOLOGIES, INC. 0 0 2 0 3 5
HILTI AKTIENGESELLSCHAFT 0 1 4 0 0 5
INTERFACE SOLUTIONS, INC. 2 0 1 2 0 5
J.M. CLIPPER CORP. 0 3 1 1 0 5
MTU AERO ENGINES GMBH 0 1 0 3 1 5
PERKINELMER, INC. 2 1 1 0 1 5
RELIANCE ELECTRIC TECHNOLOGIES, LLC 2 1 2 0 0 5
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." 2 2 1 0 0 5
TOYODA GOSEI KABUSHIKI KAISHA 0 1 2 1 1 5
TRANSCOM, INC. 1 2 0 2 0 5
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 1 1 3 0 5


PTMB Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMB pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMB reports and materials from : ftp.uspto.gov/pub/taf/


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