~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 |