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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 1998 - 2002 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 131 129 144 131 121 656
PHILLIPS PETROLEUM COMPANY 57 60 96 71 59 343
HALLIBURTON ENERGY SEVICES, INC. 20 35 27 59 43 184
SEAGATE TECHNOLOGY, LLC 0 0 5 45 49 99
SEAGATE TECHNOLOGY, INCORPORATED 16 20 48 1 0 85
BOARD OF REGENTS OF THE UNIVERSITY OF OKLAHOMA 9 15 16 19 6 65
BRUNSWICK CORPORATION 10 7 15 17 14 63
BAKER HUGHES INCORPORATED 10 8 8 19 7 52
CAMCO INTERNATIONAL INC. 2 4 16 21 4 47
OKLAHOMA MEDICAL RESEARCH FOUNDATION 15 4 6 8 7 40
UNITED VIDEO PROPERTIES, INC. 0 1 8 8 4 21
HALLIBURTON CO. 19 1 0 0 0 20
ZEBCO DIVISION OF BRUNSWICK CORPORATION 8 8 3 0 0 19
CONOCO, INC. 3 2 1 4 7 17
ASEC MANUFACTURING, A GENERAL PARTNERSHIP 1 7 5 3 0 16
CHARLES MACHINE WORKS, INC. 3 4 1 6 2 16
B S & B SAFETY SYSTEMS, INC. 0 5 2 2 6 15
OKLAHOMA STATE UNIVERSITY 2 5 2 1 3 13
SCHLUMBERGER TECHNOLOGY CORPORATION 1 5 1 4 2 13
DAIG CORPORATION 6 3 1 2 0 12
SMITH INTERNATIONAL INC. 0 1 2 6 2 11
COBURN OPTICAL INDUSTRIES, INC. 5 3 2 0 0 10
TDW DELAWARE, INC. 4 2 3 1 0 10
UNIT PARTS COMPANY 0 2 3 3 2 10
UROCOR, INC. 0 4 1 3 2 10
AMOCO CORPORATION 4 5 0 0 0 9
KERR-MCGEE CHEMICAL LLC 0 2 2 2 3 9
SYNTROLEUM CORPORATION 0 1 3 5 0 9
KERR-MCGEE CHEMICAL CORPORATION 7 1 0 0 0 8
WOUND HEALING OF OKLAHOMA, INC. 3 1 2 2 0 8
BED-CHECK CORPORATION 0 1 2 2 2 7
H & L TOOTH COMPANY 3 0 2 1 1 7
JOHN ZINK COMPANY 2 1 0 1 3 7
PETRO-CHEM DEVELOPMENT CO., INC. 0 0 1 5 1 7
ROYCE MEDICAL COMPANY 3 1 1 1 1 7
BP AMOCO CORPORATION 0 3 3 0 0 6
DELPHI TECHNOLOGIES, INC. 0 0 0 0 6 6
NATIONAL TANK COMPANY 1 2 3 0 0 6
SOUTHWESTERN WIRE CLOTH, INC. 0 3 0 2 1 6
AAON, INC. 3 0 0 0 2 5
ACTISYSTEMS, INC. 0 1 3 0 1 5
CONTINENTAL INDUSTRIES, INC. 2 1 1 1 0 5
CROSBY GROUP, INC. 1 0 1 2 1 5
DANA CORPORATION 0 3 2 0 0 5
DENTSPLY RESEARCH + DEVELOPMENT CORP. 2 2 0 1 0 5
MCELROY MANUFACTURING, INC. 1 0 1 3 0 5
OKLAHOMA SAFETY EQUIPMENT CO. 1 0 0 3 1 5
PREVUE NETWORKS, INC. 2 2 0 0 1 5
RYMED TECHNOLOGIES, INC. 2 1 1 1 0 5
UNIVERSITY OF TULSA 1 1 1 1 1 5
WOOD GROUP ESP, INC. 0 0 0 0 5 5
YORK INTERNATIONAL CORP. 1 0 0 2 2 5


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
email: oeip@uspto.gov

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