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 1997 - 2001 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 1997 1998 1999 2000 2001 Total
~Individually Owned Patent 126 131 129 144 131 661
PHILLIPS PETROLEUM COMPANY 57 57 60 96 71 341
HALLIBURTON ENERGY SEVICES, INC. 9 20 35 27 59 150
SEAGATE TECHNOLOGY, INCORPORATED 12 16 20 48 1 97
BOARD OF REGENTS OF THE UNIVERSITY OF OKLAHOMA 16 9 15 16 19 75
BRUNSWICK CORPORATION 7 10 7 15 17 56
SEAGATE TECHNOLOGY, LLC 0 0 0 5 45 50
BAKER HUGHES INCORPORATED 4 10 8 8 19 49
CAMCO INTERNATIONAL INC. 3 2 4 16 21 46
OKLAHOMA MEDICAL RESEARCH FOUNDATION 11 15 4 6 8 44
HALLIBURTON CO. 13 19 1 0 0 33
ZEBCO DIVISION OF BRUNSWICK CORPORATION 4 8 8 3 0 23
CHARLES MACHINE WORKS, INC. 4 3 4 1 6 18
ASEC MANUFACTURING, A GENERAL PARTNERSHIP 1 1 7 5 3 17
UNITED VIDEO PROPERTIES, INC. 0 0 1 8 8 17
COBURN OPTICAL INDUSTRIES, INC. 5 5 3 2 0 15
DAIG CORPORATION 2 6 3 1 2 14
KERR-MCGEE CHEMICAL CORPORATION 6 7 1 0 0 14
CONOCO, INC. 3 3 2 1 4 13
SCHLUMBERGER TECHNOLOGY CORPORATION 1 1 5 1 4 12
TDW DELAWARE, INC. 2 4 2 3 1 12
AMOCO CORPORATION 2 4 5 0 0 11
B S & B SAFETY SYSTEMS, INC. 2 0 5 2 2 11
OKLAHOMA STATE UNIVERSITY 0 2 5 2 1 10
RESEARCH CORPORATION TECHNOLOGIES, INC. 6 2 2 0 0 10
SMITH INTERNATIONAL INC. 1 0 1 2 6 10
SYNTROLEUM CORPORATION 0 0 1 3 5 9
UNIT PARTS COMPANY 1 0 2 3 3 9
NATIONAL TANK COMPANY 2 1 2 3 0 8
OKLAHOMA SAFETY EQUIPMENT CO. 4 1 0 0 3 8
UROCOR, INC. 0 0 4 1 3 8
WOUND HEALING OF OKLAHOMA 0 3 1 2 2 8
HAROLD SIMPSON, INC. 3 2 1 0 1 7
KERR-MCGEE CORPORATION 5 1 1 0 0 7
ROYCE MEDICAL COMPANY 1 3 1 1 1 7
BP AMOCO CORPORATION 0 0 3 3 0 6
CONTINENTAL INDUSTRIES, INC. 1 2 1 1 1 6
DANA CORPORATION 1 0 3 2 0 6
H & L TOOTH COMPANY 0 3 0 2 1 6
KERR-MCGEE CHEMICAL LLC 0 0 2 2 2 6
MICROSOFT CORPORATION 2 4 0 0 0 6
PETRO-CHEM DEVELOPMENT CO., INC. 0 0 0 1 5 6
BED-CHECK CORPORATION 0 0 1 2 2 5
BRADEN MANUFACTURING 1 1 1 1 1 5
CROSBY GROUP, INC. 1 1 0 1 2 5
DENTSPLY RESEARCH + DEVELOPMENT CORP. 0 2 2 0 1 5
DURA-KOLD CORPORATION 1 3 1 0 0 5
E. I. DU PONT DE NEMOURS AND COMPANY 2 2 1 0 0 5
MCELROY MANUFACTURING, INC. 0 1 0 1 3 5
RYMED TECHNOLOGIES, INC. 0 2 1 1 1 5
SOUTHWESTERN WIRE CLOTH, INC. 0 0 3 0 2 5
THE NORDAM GROUP, INC. 2 1 1 0 1 5
UNARCO LLC 2 3 0 0 0 5
UNIVERSITY OF TULSA 1 1 1 1 1 5
ZEBCO CORPORATION 1 1 3 0 0 5



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Last Modified: April 9, 2002