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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 1998 - 2002 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 464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts

( 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 10 4 9 23 10 56
EXEDY CORPORATION 14 8 4 15 4 45
NTN CORPORATION 5 4 2 12 9 32
DANA CORPORATION 8 7 5 6 2 28
GKN LOBRO GMBH 0 0 2 20 6 28
GKN AUTOMOTIVE AG 11 2 5 4 5 27
LUK LAMELLEN UND KUPPLUNGSBAU GMBH 4 8 2 6 2 22
VALEO S.A. 8 2 3 8 1 22
NSK LIMITED 0 3 1 7 5 16
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 5 1 2 0 7 15
MANNESMANN SACHS AG 0 2 3 4 6 15
GKN WALTERSCHEID GMBH 4 1 3 2 4 14
GKN AUTOMOTIVE INC. 1 0 1 4 3 9
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 0 0 2 4 3 9
DELPHI TECHNOLOGIES, INC. 0 0 1 3 4 8
UNISIA JECS CORPORATION 0 1 2 4 1 8
LOHR + BROMKAMP GMBH 5 2 0 0 0 7
SPICER DRIVESHAFT, INC. 0 0 0 1 6 7
AMERICAN AXLE & MANUFACTURING, INC. 0 0 2 2 2 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 0 0 2 3 1 6
LORD CORPORATION 2 1 0 3 0 6
NEAPCO, INC. 2 1 2 1 0 6
ROHS-VOIGT PATENTVERWERTUNGSGESELLSCHAFT MBH 0 0 1 3 2 6
FORD GLOBAL TECHNOLOGIES, INC. 0 0 2 3 0 5
MERITOR HEAVY VEHICLE SYSTEMS, LLC 3 2 0 0 0 5
REXNORD CORPORATION 0 1 2 2 0 5


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
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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