Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 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 2004 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 39 48 55 25 25 192
ROBERT BOSCH GMBH 27 10 9 6 4 56
FISHER CONTROLS INTERNATIONAL, INC. 6 12 8 5 4 35
SMC CORPORATION 6 3 8 5 5 27
DENSO CORPORATION 8 6 5 4 3 26
DELPHI TECHNOLOGIES, INC. 8 7 5 3 2 25
SIEMENS AKTIENGESELLSCHAFT 4 6 7 5 1 23
HONEYWELL INTERNATIONAL INC. 2 9 3 3 5 22
CATERPILLAR INC. 9 1 2 0 1 13
MITSUBISHI DENKI KABUSHIKI KAISHA 2 7 2 0 2 13
VAT HOLDING AG 2 3 6 0 2 13
ARICHELL TECHNOLOGIES INC. 3 4 0 2 2 11
CARDINAL HEALTH 303, INC. 0 0 5 4 2 11
NITTO KOHKI COMPANY LIMITED 3 3 5 0 0 11
SMC KABUSHIKI KAISHA 4 3 0 2 1 10
CAMERON INTERNATIONAL CORPORATION 0 0 1 4 4 9
CONTINENTAL TEVES AG & CO., OHG 3 2 3 1 0 9
EATON CORPORATION 2 3 2 2 0 9
HITACHI, LTD 2 3 1 1 2 9
PARKER-HANNIFIN CORPORATION 2 3 2 0 2 9
AISAN INDUSTRY CO., LTD. 0 6 1 1 0 8
BOSCH REXROTH AG 1 2 2 0 2 7
COOPER CAMERON CORPORATION, INC. 1 1 5 0 0 7
FMC TECHNOLOGIES, INC. 1 4 1 1 0 7
ITT MANUFACTURING ENTERPRISES, INC. 3 1 2 1 0 7
KEIHIN CORPORATION 1 0 2 3 1 7
SANKYO SEIKI MFG. CO., LTD. 1 5 1 0 0 7
SWAGELOK COMPANY 2 4 0 0 1 7
TOYOTA JIDOSHA K.K. 2 0 2 2 1 7
VARCO I/P, INC. 0 2 3 1 1 7
ADVICS CO., LTD. 1 1 2 0 2 6
ALARIS MEDICAL SYSTEMS, INC. 2 3 1 0 0 6
CKD KABUSHIKI KAISHA (CKD CORPORATION) 0 0 2 1 3 6
FUJIKIN INC. 2 0 1 3 0 6
HUSCO INTERNATIONAL, INC. 2 1 1 0 2 6
ADVANCED MODERN TECHNOLOGIES CORP. 0 3 0 1 1 5
AGILENT TECHNOLOGIES, INC. 2 2 0 1 0 5
AISIN SEIKI KABUSHIKI KAISHA 1 2 1 1 0 5
APPLIED MATERIALS, INC. 1 1 3 0 0 5
BORGWARNER INC. 0 1 2 1 1 5
EMERSON ELECTRIC CO. 0 1 0 2 2 5
FESTO AG & CO. 2 1 1 0 1 5
GENERAL ELECTRIC COMPANY 0 2 2 1 0 5
ILLINOIS TOOL WORKS INC. 0 1 1 2 1 5
KITZ CORPORATION 2 1 0 2 0 5
LOCKHEED MARTIN CORPORATION 1 3 1 0 0 5
MAGNETI MARELLI POWERTRAIN S.P.A. 0 3 2 0 0 5
NOK CORPORATION 1 3 1 0 0 5
NYPRO, INC. 1 2 2 0 0 5
POWELL TECHNOLOGIES LLC 0 4 0 1 0 5
SCHLUMBERGER TECHNOLOGY CORPORATION 1 2 0 1 1 5
SLOAN VALVE COMPANY 0 3 1 1 0 5
TGK COMPANY, LIMITED 1 1 3 0 0 5
VETCO GRAY INC 0 1 0 3 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
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports