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

Patenting By Geographic Region (State and Country),
Breakout By Organization

Count of 2001 - 2005 Utility Patent Grants,
By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Originating From

OKLAHOMA

( patent origin is determined by the residence of the first-named inventor )

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 131 121 125 99 97 573
HALLIBURTON ENERGY SERVICES, INC. 59 43 63 69 69 303
PHILLIPS PETROLEUM COMPANY 71 59 42 13 8 193
SEAGATE TECHNOLOGY, LLC 45 49 42 30 22 188
CONOCOPHILLIPS COMPANY 0 0 24 32 36 92
BAKER HUGHES INCORPORATED 19 7 17 17 17 77
BRUNSWICK CORPORATION 17 14 11 7 9 58
UNIVERSITY OF OKLAHOMA 19 6 10 3 5 43
CAMCO INTERNATIONAL INC. 21 4 0 1 0 26
OKLAHOMA MEDICAL RESEARCH FOUNDATION 8 7 5 0 6 26
UNITED VIDEO PROPERTIES, INC. 8 4 7 3 3 25
SCHLUMBERGER TECHNOLOGY CORPORATION 4 2 8 7 1 22
CHARLES MACHINE WORKS, INC. 6 2 3 6 3 20
OKLAHOMA STATE UNIVERSITY 1 3 3 7 5 19
CONOCO, INC. 4 7 3 1 0 15
JOHN ZINK COMPANY 1 3 4 5 2 15
KERR-MCGEE CHEMICAL LLC 2 3 3 3 4 15
WOOD GROUP ESP, INC. 0 5 5 2 3 15
CHEVRON PHILLIPS CHEMICAL COMPANY LP 1 2 1 4 6 14
DELPHI TECHNOLOGIES, INC. 0 6 3 3 1 13
SMITH INTERNATIONAL INC. 6 2 3 1 0 12
BED-CHECK CORPORATION 2 2 2 2 3 11
TAYLOR INNOVATIONS, L.L.C. 0 0 3 3 4 10
B S & B SAFETY SYSTEMS, INC. 2 6 0 1 0 9
GENZYME GLYCOBIOLOGY RESEARCH INSTITUTE, INC. 0 0 4 3 2 9
SYNTROLEUM CORPORATION 5 0 1 3 0 9
W. C. BRADLEY/ZEBCO HOLDINGS, INC. 0 2 6 0 1 9
AAON, INC. 0 2 0 4 2 8
LOCKHEED MARTIN CORPORATION 0 2 1 4 1 8
UNARCO INDUSTRIES INC. 0 3 1 1 3 8
BLITZ U.S.A., INC. 2 0 3 0 2 7
DOUG CARSON & ASSOCIATES, INC. 0 3 0 3 1 7
ODS PROPERTIES, INC. 0 0 3 2 2 7
PETRO-CHEM DEVELOPMENT CO., INC. 5 1 0 1 0 7
UNIVERSITY OF TULSA 1 1 1 3 1 7
SOUTHWESTERN WIRE CLOTH, INC. 2 1 1 2 0 6
ZEECO, INC. 0 3 1 1 1 6
CROSBY GROUP, INC. 2 1 0 0 2 5
HELMERICH + PAYNE, INC. 0 0 0 0 5 5
HYDROHOIST INTERNATIONAL, INC. 0 0 1 3 1 5
OKLAHOMA SAFETY EQUIPMENT CO. 3 1 1 0 0 5
QR SPEX, INC. 1 0 1 1 2 5
SUNSTONE CORPORATION 0 0 1 2 2 5
UNIT PARTS COMPANY 3 2 0 0 0 5
UROCOR, INC. 3 2 0 0 0 5
WEATHERBANK, INC. 0 0 1 3 1 5
YORK INTERNATIONAL CORP. 2 2 1 0 0 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
ftp download of selected PTMB reports and materials from : ftp.uspto.gov/pub/taf/


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