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

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

Count of 1969 - 2007 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 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Total
PHILLIPS PETROLEUM COMPANY 337 319 308 338 246 273 253 234 225 275 190 238 236 183 226 256 253 204 177 128 105 104 125 134 164 121 75 68 57 57 60 96 71 59 42 13 8 11 2 6271
~INDIVIDUALLY OWNED PATENT 164 136 224 168 160 174 160 139 110 134 96 155 149 143 105 144 167 140 157 133 169 196 186 169 147 145 145 161 126 131 129 144 131 121 125 99 97 112 92 5583
HALLIBURTON CO. 26 27 26 23 31 42 26 21 20 25 17 31 42 36 44 75 55 60 81 39 51 38 49 45 56 96 50 45 13 19 1 0 0 0 0 0 0 0 0 1210
CONOCO, INC. 62 43 44 65 52 66 78 75 47 59 39 42 57 27 35 43 43 26 15 37 35 34 39 37 30 11 7 10 3 3 2 1 4 7 3 1 0 0 0 1182
HALLIBURTON ENERGY SERVICES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 9 20 35 27 59 43 63 69 69 123 134 652
AMOCO CORPORATION 0 0 0 0 0 0 0 0 11 14 7 10 21 19 17 14 10 13 21 31 39 37 19 12 13 5 10 4 2 4 5 0 0 0 0 0 0 0 0 338
DOW CHEMICAL COMPANY 20 13 18 12 18 15 8 12 14 10 12 7 11 8 7 10 12 1 0 3 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 214
BRUNSWICK CORPORATION 0 0 0 0 0 2 1 0 1 0 0 11 2 9 12 8 10 2 7 6 1 2 3 0 3 9 6 3 7 10 7 15 17 14 11 7 9 8 7 210
SEAGATE TECHNOLOGY, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 45 49 42 30 22 12 5 210
UNIVERSITY OF OKLAHOMA 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 3 2 1 6 2 4 4 7 12 6 11 9 16 9 15 16 19 6 10 3 5 20 19 208
BAKER HUGHES INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 13 1 0 8 4 5 4 4 10 8 8 19 7 17 17 17 12 10 170
JOHN ZINK COMPANY 3 3 2 5 8 6 7 8 16 15 10 9 10 6 3 3 4 4 5 3 3 6 0 3 3 2 0 0 0 2 1 0 1 3 4 5 2 2 2 169
CONOCOPHILLIPS COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24 32 36 38 24 154
SEAGATE TECHNOLOGY, INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 14 12 6 7 8 12 16 20 48 1 0 1 0 0 0 0 148
COMBUSTION ENGINEERING INC. 14 8 8 8 2 11 5 7 8 9 3 10 4 5 4 6 6 6 1 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 129
CITIES SERVICE COMPANY 2 4 18 14 16 13 5 4 3 5 0 3 3 0 11 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 106
KERR-MCGEE CHEMICAL CORPORATION 0 0 1 2 1 6 4 2 1 6 0 0 5 1 1 10 3 5 2 7 4 3 7 2 4 7 2 5 6 7 1 0 0 0 0 0 0 0 0 105
OKLAHOMA MEDICAL RESEARCH FOUNDATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 4 3 3 4 9 11 15 4 6 8 7 5 0 6 6 8 103
PAN AMERICAN PETROLEUM CORPORATION 44 24 26 7 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 103
AMOCO PRODUCTION COMPANY 0 0 16 19 24 22 13 4 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100
KERR-MCGEE CORPORATION 1 0 4 5 5 1 0 1 1 9 11 10 10 2 3 1 3 1 1 3 1 0 1 3 2 1 2 3 5 1 1 0 0 1 0 0 0 0 0 93
CHARLES MACHINE WORKS, INC. 0 0 1 0 2 0 1 2 2 0 1 0 0 0 1 1 0 0 0 0 0 3 4 2 5 3 3 5 4 3 4 1 6 2 3 6 3 8 5 81
DOWELL SCHLUMBERGER INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 21 6 14 4 3 4 4 6 3 0 1 0 0 0 0 0 0 0 0 0 0 74
CMI CORPORATION 0 4 4 2 5 1 6 3 0 2 7 4 5 2 0 0 0 0 1 0 0 5 4 1 3 3 3 1 0 0 0 2 1 1 0 0 0 0 0 70
STANDARD OIL CORPORATION (INDIANA) 1 0 0 0 0 0 2 8 0 1 0 0 1 0 6 24 12 4 7 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 67
OKLAHOMA STATE UNIVERSITY 4 5 1 3 3 1 0 0 1 0 0 0 0 0 0 0 0 2 0 2 1 1 1 2 0 0 3 0 0 2 5 2 1 3 3 7 5 2 5 65
HONEYWELL INFORMATION SYSTEMS INC. 0 0 2 6 7 17 7 9 5 2 1 0 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 60
B S & B SAFETY SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 6 3 1 2 3 2 2 3 3 1 2 2 4 2 0 5 2 2 6 0 1 0 0 0 58
CAMCO INTERNATIONAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 3 2 4 16 21 4 0 1 0 0 0 56
COBURN OPTICAL INDUSTRIES, INC. 0 0 0 0 0 2 1 2 1 0 1 1 0 3 3 1 4 1 1 0 1 2 1 4 1 2 1 7 5 5 3 2 0 0 0 0 0 0 0 55
TDW DELAWARE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 1 2 4 11 5 2 4 2 3 1 0 0 1 1 0 3 45
CHEVRON PHILLIPS CHEMICAL COMPANY LP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 4 6 11 17 42
MAGNETIC PERIPHERALS INC. 0 0 0 0 0 0 0 0 0 0 1 2 1 4 4 3 4 5 5 2 7 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42
LOWRANCE ELECTRONICS, INC. 0 1 0 1 8 7 0 1 0 1 0 2 0 1 2 2 0 1 0 0 1 2 0 1 0 0 0 2 1 1 2 0 0 0 0 0 0 1 2 40
TRW INC. 0 0 0 1 0 5 0 1 4 2 1 1 4 4 3 4 3 1 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39
UNITED VIDEO PROPERTIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 8 8 4 7 3 3 2 2 38
HUGHES TOOL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 9 6 6 5 7 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 37
ZEBCO CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 4 5 6 6 3 2 1 1 1 3 0 0 0 0 0 0 0 0 37
AT&T CORP. 2 2 0 1 2 1 0 0 1 1 1 0 2 3 1 2 6 1 3 1 1 0 2 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 36
T. D. WILLIAMSON, INC. 2 4 5 3 3 0 2 1 1 0 0 1 0 0 3 2 1 3 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 36
SCHLUMBERGER TECHNOLOGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 5 1 4 2 8 7 1 2 1 35
BLACK, SIVALLS + BRYSON, INC. 0 3 2 1 8 7 5 1 0 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
ROYCE MEDICAL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 6 3 0 2 4 1 1 3 1 1 1 1 0 0 0 0 0 32
LEE C. MOORE CORPORATION 2 2 1 3 2 5 1 3 0 1 3 0 0 1 2 0 0 3 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
TELEX/COMPUTER PRODUCTS, INC. 0 0 1 3 7 5 2 3 0 1 1 0 1 1 1 0 0 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
E. I. DU PONT DE NEMOURS AND COMPANY 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 3 1 0 0 2 1 2 1 2 1 3 2 2 1 0 0 0 0 0 0 0 0 30
SMITH INTERNATIONAL INC. 0 0 0 0 0 0 0 0 0 1 0 1 0 0 2 2 1 0 0 0 0 0 0 0 0 1 1 0 1 0 1 2 6 2 3 1 0 3 1 29
CROSBY GROUP, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 4 1 1 0 1 1 1 1 1 0 1 1 1 1 0 1 2 1 0 0 2 1 2 27
HALLIBURTON SERVICES 0 0 0 0 1 0 0 0 0 0 0 1 4 9 2 0 1 0 1 1 2 0 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27
CONTINENTAL INDUSTRIES, INC. 1 0 3 1 2 0 2 4 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 2 1 1 1 0 0 2 1 0 1 26
ROCKWELL INTERNATIONAL CORPORATION 0 3 3 0 1 0 0 0 1 0 2 1 0 2 0 1 3 0 0 1 1 0 0 0 1 0 2 0 4 0 0 0 0 0 0 0 0 0 0 26
WOOD GROUP ESP, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 2 3 5 4 24
ZEBCO DIVISION OF BRUNSWICK CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 8 8 3 0 0 0 0 0 0 0 24
ATLANTIC RICHFIELD COMPANY 0 1 11 3 1 0 0 0 0 0 0 0 0 0 2 1 0 0 1 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 23
SINCLAIR RESEARCH INC. 15 6 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23
KERR-MCGEE CHEMICAL LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 3 3 3 4 3 0 22
BAKER INTERNATIONAL CORP. 0 0 0 0 0 0 0 1 0 0 0 0 1 2 1 6 3 2 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
BED-CHECK CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 2 2 3 5 0 21
UNIT RIG + EQUIPMENT CO. 0 2 1 0 2 0 2 0 1 0 0 1 3 1 0 1 0 1 2 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
UNARCO INDUSTRIES INC. 0 0 0 1 0 0 0 1 0 3 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 3 1 1 3 2 3 20
BALON CORPORATION 9 0 1 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 19
DAIG CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 6 3 1 2 0 1 0 0 0 0 19
HAROLD SIMPSON, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 0 1 0 1 1 0 1 0 0 3 2 1 0 1 0 1 1 1 0 0 19
BORG-WARNER CORPORATION 0 4 2 1 1 1 0 2 3 1 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
CENTRAL PLASTICS COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 5 0 1 2 0 0 1 0 1 0 0 1 3 0 0 0 0 0 1 0 0 18
DANA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 1 0 1 0 3 2 1 0 3 2 0 0 0 0 0 0 0 18
DELPHI TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 3 3 1 5 0 18
OIL DYNAMICS, INC. 0 0 2 0 1 0 1 0 0 0 0 0 0 1 1 0 0 1 0 1 2 1 2 4 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 18
SEISMOGRAPH SERVICE CORPORATION 1 5 1 1 2 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
SYNTROLEUM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 5 0 1 3 0 4 1 18
ASEC MANUFACTURING, A GENERAL PARTNERSHIP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 7 5 3 0 0 0 0 0 0 17
BOARD OF REGENTS FOR THE OKLAHOMA AGRICULTURAL AND MECHANICAL COLLEGE ACTING FOR AND ON BEHALF OF OKLAHOMA STATE UNIVERSITY 0 0 0 0 0 0 1 2 0 0 1 1 0 2 0 1 2 0 0 0 2 3 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 17
GENERAL ELECTRIC COMPANY 1 7 1 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 1 0 17
PETROLITE CORPORATION 0 0 0 1 0 0 0 0 2 0 0 2 2 0 0 0 0 0 1 1 0 1 1 0 0 1 4 0 1 0 0 0 0 0 0 0 0 0 0 17
RESEARCH CORPORATION TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 1 6 2 2 0 0 0 0 0 0 0 0 17
COMMERCIAL RESINS COMPANY 0 0 0 0 0 1 1 1 2 1 0 1 0 2 2 0 0 0 0 0 0 1 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
DRESSER INDUSTRIES, INC. 2 0 0 0 1 0 1 0 0 0 1 0 2 1 0 1 1 0 0 1 0 1 0 1 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 16
FRANK W. MURPHY MANUFACTURER, INC. 0 0 0 2 1 0 1 5 3 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
NATIONAL TANK COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 2 2 1 2 3 0 0 0 0 1 0 0 15
TEREX CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 0 2 0 1 0 0 0 0 0 0 4 0 0 0 0 15
TRANSWORLD DRILLING COMPANY 0 1 1 1 0 0 0 0 0 1 0 3 0 1 0 0 1 2 0 0 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
BLITZ U.S.A., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 2 0 3 0 2 3 1 14
KERR-MCGEE REFINING CORPORATION 0 0 0 0 0 0 0 0 0 1 0 1 5 1 2 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
W. C. BRADLEY/ZEBCO HOLDINGS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 0 1 1 4 14
LOCKHEED MARTIN CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 4 1 3 2 13
MCGILL INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 5 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
METALINES INCORPORATED 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 3 2 1 0 0 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 13
NOMADICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 2 0 3 5 13
OKLAHOMA SAFETY EQUIPMENT CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 4 1 0 0 3 1 1 0 0 0 0 13
UNIVERSITY OF TULSA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 3 1 2 0 13
VISTA CHEMICAL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 4 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
AVCO CORPORATION 0