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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2006 - 2010 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 2006 2007 2008 2009 2010 Total
~INDIVIDUALLY OWNED PATENT 55 25 25 14 23 142
ROBERT BOSCH GMBH 9 6 4 4 6 29
DENSO CORPORATION 5 4 3 8 7 27
FISHER CONTROLS INTERNATIONAL, INC. 8 5 4 3 4 24
HONEYWELL INTERNATIONAL INC. 3 3 5 5 7 23
SMC CORPORATION 8 5 5 2 3 23
VAT HOLDING AG 6 0 2 3 5 16
CAMERON INTERNATIONAL CORPORATION 1 4 4 4 1 14
SIEMENS AKTIENGESELLSCHAFT 7 5 1 0 0 13
CARDINAL HEALTH 303, INC. 5 4 2 0 0 11
DELPHI TECHNOLOGIES, INC. 5 3 2 1 0 11
APPLIED MATERIALS, INC. 3 0 0 3 3 9
KEIHIN CORPORATION 2 3 1 3 0 9
CKD KABUSHIKI KAISHA (CKD CORPORATION) 2 1 3 1 1 8
CONTINENTAL TEVES AG & CO., OHG 3 1 0 1 2 7
FUJIKIN INC. 1 3 0 1 2 7
MITSUBISHI HEAVY INDUSTRIES, LTD. 0 2 2 1 2 7
NIDEC SANKYO CORPORATION 0 0 1 0 6 7
NITTO KOHKI COMPANY LIMITED 5 0 0 1 1 7
PARKER-HANNIFIN CORPORATION 2 0 2 1 2 7
TOYOTA JIDOSHA K.K. 2 2 1 1 1 7
VETCO GRAY INC 0 3 1 1 2 7
ASAHI ORGANIC CHEMICALS INDUSTRY CO., LTD. 1 1 1 2 1 6
BORGWARNER INC. 2 1 1 1 1 6
BOSCH REXROTH AG 2 0 2 2 0 6
FUJIKOKI CORPORATION 1 1 1 2 1 6
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 1 1 1 3 6
ITT MANUFACTURING ENTERPRISES, INC. 2 1 0 2 1 6
MITSUBISHI DENKI KABUSHIKI KAISHA 2 0 2 2 0 6
VARCO I/P, INC. 3 1 1 0 1 6
ADVICS CO., LTD. 2 0 2 1 0 5
AISAN INDUSTRY CO., LTD. 1 1 0 0 3 5
ARICHELL TECHNOLOGIES INC. 0 2 2 0 1 5
C.R.F. SOCIETA CONSORTILE PER AZIONI 1 1 2 1 0 5
COOPER CAMERON CORPORATION, INC. 5 0 0 0 0 5
EATON CORPORATION 2 2 0 0 1 5
EMERSON ELECTRIC CO. 0 2 2 0 1 5
GENERAL ELECTRIC COMPANY 2 1 0 1 1 5
HITACHI, LTD 1 1 2 0 1 5
MAGNETI MARELLI POWERTRAIN S.P.A. 2 0 0 0 3 5
MASCO CORP. OF INDIANA 1 2 0 2 0 5
SLOAN VALVE COMPANY 1 1 0 3 0 5
SMC KABUSHIKI KAISHA 0 2 1 0 2 5
STINGER WELLHEAD PROTECTION, INC. 0 1 0 2 2 5
TOKYO ELECTRON LIMITED 1 2 0 2 0 5
WOODWARD GOVERNOR COMPANY 3 0 0 1 1 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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