Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136876 | System and method for drilling rig state determination | — | 2021-10-05 |
| 11047221 | System and console for monitoring and managing well site operations | Fereidoun Abbassian, Per Arild Andresen, Stephen Tean Edwards, Mark Adrian Honey, Nigel Charles Last +8 more | 2021-06-29 |
| 9300900 | Method and apparatus for increasing effective contrast ratio and brightness yields for digital light valve image projectors | Eddie E. Allen, Thomas D. Strade | 2016-03-29 |
| 9291015 | Systems and methods for determining enhanced equivalent circulating density and interval solids concentration in a well system using multiple sensors | Stephen Tean Edwards | 2016-03-22 |
| 9228401 | Method of determining borehole conditions from distributed measurement data | Stephen Tean Edwards, Michael L. Edwards, Donald F. Shafer, Mark William Alberty | 2016-01-05 |
| 8860891 | Method and apparatus for increasing effective contrast ratio and brightness yields for digital light valve image projectors | Eddie E. Allen, Thomas D. Strade | 2014-10-14 |
| 8520149 | Method and apparatus for increasing effective contrast ratio and brightness yields for digital light valve image projectors | Eddie A. Allen, Thomas D. Strade | 2013-08-27 |
| 7575330 | Method and apparatus for increasing effective contrast radio and brightness yields for digital light valve image projectors | Eddie E. Allen, Thomas D. Strade | 2009-08-18 |
| 7220006 | Method and apparatus for increasing effective contrast ratio and brightness yields for digital light valve image projectors | Eddie E. Allen, Thomas D. Strade | 2007-05-22 |