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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 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 14 16 20 13 11 74
TOKAI RUBBER INDUSTRIES, LTD. 9 16 14 16 11 66
TOYO TIRE & RUBBER CO., LTD. 3 1 10 23 7 44
LORD CORPORATION 4 7 7 3 6 27
DELPHI TECHNOLOGIES, INC. 0 2 12 4 3 21
HUTCHINSON 4 2 5 4 4 19
MANNESMANN SACHS AG 4 4 6 2 0 16
CONTINENTAL AKTIENGESELLSCHAFT 3 2 3 1 5 14
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 4 5 2 2 1 14
LOCKHEED MARTIN CORPORATION 2 1 3 6 1 13
PHOENIX AKTIENGESELLSCHAFT 1 4 2 5 1 13
CARL FREUDENBERG 3 2 4 3 0 12
ZF LEMFORDER METALLWAREN AG 0 2 4 4 2 12
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 4 1 1 3 2 11
BFS DIVERSIFIED PRODUCTS, LLC 0 0 3 3 4 10
CONTITECH LUFTFEDERSYSTEME GMBH 2 0 3 1 4 10
GOODYEAR TIRE + RUBBER COMPANY 1 2 3 3 1 10
MANNESMANN BOGE GMBH 2 3 2 1 0 8
BARNES GROUP INC. 2 1 0 2 2 7
BRIDGESTONE/FIRESTONE, INC. 4 2 1 0 0 7
CHUO HATSUJO KOGYO CO., LTD. 0 2 2 2 1 7
ENIDINE INCORPORATED 1 3 1 2 0 7
FREUDENBERG-NOK GENERAL PARTNERSHIP 1 1 2 2 1 7
TRW INC. 5 2 0 0 0 7
YAMASHITA RUBBER KABUSHIKI KAISHA 1 2 3 0 1 7
GENERAL MOTORS CORPORATION 5 0 0 1 0 6
NISSAN MOTOR COMPANY, LIMITED 1 4 1 0 0 6
VISTEON GLOBAL TECHNOLOGIES, INC. 0 0 4 2 0 6
BRIDGESTONE CORPORATION 2 0 2 1 0 5
CHRYSLER MOTORS CORPORATION 3 2 0 0 0 5
DAIMLERCHRYSLER CORPORATION 1 2 2 0 0 5
DELTA TOOLING CO., LTD. 0 2 2 1 0 5
HYUNDAI MOTOR CO., LTD. 2 1 2 0 0 5
L&P PROPERTY MANAGEMENT COMPANY 3 2 0 0 0 5
PIOLAX, INC. 0 1 1 3 0 5
PORSCHE AG 0 3 1 0 1 5
PRECISION PRODUCTS GROUP, INC. 0 2 3 0 0 5
TOYODA GOSEI KABUSHIKI KAISHA 2 2 1 0 0 5
ZF SACHS AG 0 0 0 1 4 5


PTMD Contacts

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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

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