U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting By Geographic Region (State and Country), Breakout By Organization
Count of 1996 - 2000 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)
 
First-Named Assignee 1996 1997 1998 1999 2000 Total
~Individually Owned Patent 161 126 131 129 144 691
PHILLIPS PETROLEUM COMPANY 68 57 57 60 96 338
SEAGATE TECHNOLOGY, INCORPORATED 8 12 16 20 48 104
HALLIBURTON ENERGY SEVICES, INC. 0 9 20 35 27 91
HALLIBURTON CO. 45 13 19 1 0 78
BOARD OF REGENTS OF THE UNIVERSITY OF OKLAHOMA 9 16 9 15 16 65
OKLAHOMA MEDICAL RESEARCH FOUNDATION 9 11 15 4 6 45
BRUNSWICK CORPORATION 3 7 10 7 15 42
BAKER HUGHES INCORPORATED 4 4 10 8 8 34
CAMCO INTERNATIONAL INC. 2 3 2 4 16 27
ZEBCO DIVISION OF BRUNSWICK CORPORATION 1 4 8 8 3 24
COBURN OPTICAL INDUSTRIES, INC. 7 5 5 3 2 22
CONOCO, INC. 10 3 3 2 1 19
KERR-MCGEE CHEMICAL CORPORATION 5 6 7 1 0 19
CHARLES MACHINE WORKS, INC. 5 4 3 4 1 17
TDW DELAWARE, INC. 5 2 4 2 3 16
AMOCO CORPORATION 4 2 4 5 0 15
DAIG CORPORATION 3 2 6 3 1 15
ASEC MANUFACTURING, A GENERAL PARTNERSHIP 0 1 1 7 5 14
B S & B SAFETY SYSTEMS, INC. 4 2 0 5 2 13
RESEARCH CORPORATION TECHNOLOGIES, INC. 1 6 2 2 0 11
KERR-MCGEE CORPORATION 3 5 1 1 0 10
NATIONAL TANK COMPANY 2 2 1 2 3 10
OKLAHOMA STATE UNIVERSITY 0 0 2 5 2 9
UNITED VIDEO PROPERTIES, INC. 0 0 0 1 8 9
DANA CORPORATION 2 1 0 3 2 8
E. I. DU PONT DE NEMOURS AND COMPANY 3 2 2 1 0 8
SCHLUMBERGER TECHNOLOGY CORPORATION 0 1 1 5 1 8
WOUND HEALING OF OKLAHOMA 2 0 3 1 2 8
ROYCE MEDICAL COMPANY 1 1 3 1 1 7
BP AMOCO CORPORATION 0 0 0 3 3 6
CONTINENTAL INDUSTRIES, INC. 1 1 2 1 1 6
HAROLD SIMPSON, INC. 0 3 2 1 0 6
LOWRANCE ELECTRONICS, INC. 2 1 1 2 0 6
MICROSOFT CORPORATION 0 2 4 0 0 6
OKLAHOMA SAFETY EQUIPMENT CO. 1 4 1 0 0 6
PREVUE NETWORKS, INC. 2 0 2 2 0 6
UNIT PARTS COMPANY 0 1 0 2 3 6
UNIVERSAL ENVIRONMENTAL TECHNOLOGIES, INC. 4 0 0 0 2 6
ZEBCO CORPORATION 1 1 1 3 0 6
ADVANCED WASTE REDUCTION, INC. 1 3 1 0 0 5
DOWELL, A DIVISION OF SCHLUMBERGER TECHNOLOGY CORPORATION 4 1 0 0 0 5
DURA-KOLD CORPORATION 0 1 3 1 0 5
GOODYEAR TIRE + RUBBER COMPANY 1 3 0 0 1 5
H & L TOOTH COMPANY 0 0 3 0 2 5
SEAGATE TECHNOLOGY, LLC 0 0 0 0 5 5
UNARCO LLC 0 2 3 0 0 5
UROCOR, INC. 0 0 0 4 1 5



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Last Modified: April 26, 2001