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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 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 35 44 40 39 48 206
ROBERT BOSCH GMBH 8 11 18 27 10 74
DELPHI TECHNOLOGIES, INC. 2 5 10 8 7 32
DENSO CORPORATION 1 3 8 8 6 26
FISHER CONTROLS INTERNATIONAL, INC. 0 0 1 6 12 19
CATERPILLAR INC. 2 3 3 9 1 18
MITSUBISHI DENKI KABUSHIKI KAISHA 2 4 2 2 7 17
SIEMENS AKTIENGESELLSCHAFT 3 0 4 4 6 17
SMC KABUSHIKI KAISHA 3 3 4 4 3 17
SMC CORPORATION 2 3 2 6 3 16
ARICHELL TECHNOLOGIES INC. 2 1 2 3 4 12
EATON CORPORATION 3 2 2 2 3 12
VAT HOLDING AG 0 5 2 2 3 12
HONEYWELL INTERNATIONAL INC. 0 0 0 2 9 11
SLOAN VALVE COMPANY 1 4 3 0 3 11
SWAGELOK COMPANY 2 2 1 2 4 11
CONTINENTAL TEVES AG & CO., OHG 2 0 2 3 2 9
COOPER CAMERON CORPORATION, INC. 3 0 4 1 1 9
PARKER-HANNIFIN CORPORATION 0 2 2 2 3 9
AISAN INDUSTRY CO., LTD. 0 2 0 0 6 8
HITACHI, LTD 1 1 1 2 3 8
SIEMENS CANADA LTD. 1 3 3 1 0 8
VISTEON GLOBAL TECHNOLOGIES, INC. 0 1 4 3 0 8
AISIN SEIKI KABUSHIKI KAISHA 1 1 2 1 2 7
ALARIS MEDICAL SYSTEMS, INC. 1 0 1 2 3 7
FMC TECHNOLOGIES, INC. 0 0 2 1 4 7
NITTO KOHKI COMPANY LIMITED 0 0 1 3 3 7
SANKYO SEIKI MFG. CO., LTD. 0 1 0 1 5 7
FESTO AG & CO. 1 1 1 2 1 6
LOCKHEED MARTIN CORPORATION 0 1 1 1 3 6
NATIONAL COUPLING COMPANY, INC. 1 2 3 0 0 6
NOK CORPORATION 1 1 0 1 3 6
TGK COMPANY, LIMITED 1 2 1 1 1 6
AGILENT TECHNOLOGIES, INC. 0 1 0 2 2 5
APPLIED MATERIALS, INC. 2 0 1 1 1 5
BOSCH REXROTH AG 0 2 0 1 2 5
COLDER PRODUCTS COMPANY 0 1 1 1 2 5
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 1 2 1 1 0 5
HUSCO INTERNATIONAL, INC. 1 1 0 2 1 5
ITT MANUFACTURING ENTERPRISES, INC. 1 0 0 3 1 5
KELSEY-HAYES CO. 0 0 3 0 2 5
ZAHNRADFABRIK FRIEDRICHSHAFEN AG 0 0 3 1 1 5
ZURN INDUSTRIES, INC. 1 1 1 0 2 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
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