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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 267, Spring Devices

( 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
TOKAI RUBBER INDUSTRIES, LTD. 16 14 16 11 7 64
~Individually Owned Patent 16 20 13 11 3 63
TOYO TIRE & RUBBER CO., LTD. 1 10 23 7 3 44
LORD CORPORATION 7 7 3 6 1 24
DELPHI TECHNOLOGIES, INC. 2 12 4 3 2 23
HUTCHINSON 2 5 4 4 5 20
PHOENIX AKTIENGESELLSCHAFT 4 2 5 1 2 14
CONTINENTAL AKTIENGESELLSCHAFT 2 3 1 5 2 13
BFS DIVERSIFIED PRODUCTS, LLC 0 3 3 4 2 12
GOODYEAR TIRE + RUBBER COMPANY 2 3 3 1 3 12
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 5 2 2 1 2 12
MANNESMANN SACHS AG 4 6 2 0 0 12
ZF LEMFORDER METALLWAREN AG 2 4 4 2 0 12
LOCKHEED MARTIN CORPORATION 1 3 6 1 0 11
ZF SACHS AG 0 0 1 4 5 10
CARL FREUDENBERG 2 4 3 0 0 9
CONTITECH LUFTFEDERSYSTEME GMBH 0 3 1 4 1 9
BARNES GROUP INC. 1 0 2 2 2 7
CHUO HATSUJO KOGYO CO., LTD. 2 2 2 1 0 7
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 1 1 3 2 0 7
FREUDENBERG-NOK GENERAL PARTNERSHIP 1 2 2 1 1 7
ENIDINE INCORPORATED 3 1 2 0 0 6
MANNESMANN BOGE GMBH 3 2 1 0 0 6
VISTEON GLOBAL TECHNOLOGIES, INC. 0 4 2 0 0 6
YAMASHITA RUBBER KABUSHIKI KAISHA 2 3 0 1 0 6
DELTA TOOLING CO., LTD. 2 2 1 0 0 5
NISSAN MOTOR COMPANY, LIMITED 4 1 0 0 0 5
PIOLAX, INC. 1 1 3 0 0 5
PORSCHE AG 3 1 0 1 0 5
PRECISION PRODUCTS GROUP, INC. 2 3 0 0 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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