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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 251, Valves and Valve Actuation

( 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 35 44 40 39 207
ROBERT BOSCH GMBH 21 8 11 18 27 85
DELPHI TECHNOLOGIES, INC. 0 2 5 10 8 25
DENSO CORPORATION 3 1 3 8 8 23
CATERPILLAR INC. 4 2 3 3 9 21
SMC KABUSHIKI KAISHA 1 3 3 4 4 15
SIEMENS AKTIENGESELLSCHAFT 3 3 0 4 4 14
SMC CORPORATION 1 2 3 2 6 14
EATON CORPORATION 3 3 2 2 2 12
SLOAN VALVE COMPANY 3 1 4 3 0 11
MITSUBISHI DENKI KABUSHIKI KAISHA 0 2 4 2 2 10
SIEMENS CANADA LTD. 2 1 3 3 1 10
VAT HOLDING AG 1 0 5 2 2 10
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 4 1 2 1 1 9
FISHER CONTROLS INTERNATIONAL, INC. 2 0 0 1 6 9
VISTEON GLOBAL TECHNOLOGIES, INC. 1 0 1 4 3 9
ARICHELL TECHNOLOGIES INC. 0 2 1 2 3 8
COOPER CAMERON CORPORATION, INC. 0 3 0 4 1 8
SWAGELOK COMPANY 1 2 2 1 2 8
AISIN SEIKI KABUSHIKI KAISHA 2 1 1 2 1 7
APPLIED MATERIALS, INC. 3 2 0 1 1 7
CONTINENTAL TEVES AG & CO., OHG 0 2 0 2 3 7
FORD GLOBAL TECHNOLOGIES, INC. 2 4 0 0 0 6
HALKEY-ROBERTS CORPORATION 2 1 0 3 0 6
HITACHI, LTD 1 1 1 1 2 6
NATIONAL COUPLING COMPANY, INC. 0 1 2 3 0 6
NITTO KOHKI COMPANY LIMITED 2 0 0 1 3 6
PARKER-HANNIFIN CORPORATION 0 0 2 2 2 6
XEROX CORPORATION 4 0 1 0 1 6
ALARIS MEDICAL SYSTEMS, INC. 1 1 0 1 2 5
FESTO AG & CO. 0 1 1 1 2 5
FUJIKOKI CORPORATION 2 1 0 1 1 5
HONEYWELL INTERNATIONAL INC. 3 0 0 0 2 5
HUSCO INTERNATIONAL, INC. 1 1 1 0 2 5
NEW YORK AIR BRAKE COMPANY 2 2 0 1 0 5
SIEMENS ELEMA AB 3 0 1 0 1 5
TGK COMPANY, LIMITED 0 1 2 1 1 5
TOYOTA JIDOSHA K.K. 2 0 1 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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