Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9785602 | Device and method for measuring, recording and reporting fluid flow | John T. Penn | 2017-10-10 |
| 5547031 | Orientation control mechanism | Tommy M. Warren | 1996-08-20 |
| 5423389 | Curved drilling apparatus | Tommy M. Warren | 1995-06-13 |
| 5330364 | Electrical connector for well surveying tool | Jim Powers | 1994-07-19 |
| 5213168 | Apparatus for drilling a curved subterranean borehole | Tommy M. Warren, Warren J. Winters | 1993-05-25 |
| 5201219 | Method and apparatus for measuring free hydrocarbons and hydrocarbons potential from whole core | Eric L. Bandurski, John W. Kearns, Jr. | 1993-04-13 |
| 5109697 | Method of exploration for hydrocarbons | Keith K. Millheim, Chandra S. Rai, Carl H. Sondergeld | 1992-05-05 |
| 5012674 | Method of exploration for hydrocarbons | Keith K. Millheim, Chandra S. Rai, Carl H. Sondergeld | 1991-05-07 |
| 4973960 | Data entry method and apparatus | — | 1990-11-27 |
| 4916673 | Method and apparatus for detecting the peak of an analog signal | Steven A. Morris | 1990-04-10 |
| 4899219 | Macroview and microview video record of core | — | 1990-02-06 |
| 4885540 | Automated nuclear magnetic resonance analysis | Michael L. Snoddy | 1989-12-05 |
| 4854163 | Beltless core conveyor system for wellsite analysis | Michael L. Snoddy | 1989-08-08 |
| 4837753 | Method and apparatus for logging a borehole | Steven A. Morris, John T. Penn | 1989-06-06 |
| 4800537 | Method and apparatus for determining cement conditions | — | 1989-01-24 |
| 4777629 | Method and apparatus for detecting the peak of an analog signal | Steven A. Morris | 1988-10-11 |
| 4774573 | Method and apparatus for generating a video display from signals produced by borehole scanning | Steven A. Morris | 1988-09-27 |
| 4685294 | Viscosity-temperature compensator for hydraulic systems | — | 1987-08-11 |
| 4685140 | Keratograph autoscanner system | — | 1987-08-04 |
| 4649550 | Telemetry scheme with slope modulated signal | — | 1987-03-10 |
| 4461360 | Bit extension guide for sidewall corer | — | 1984-07-24 |
| 4449593 | Guide for sidewall coring bit assembly | Alfred H. Jageler, Gary D. Bruce | 1984-05-22 |
| 4396074 | Drill bit extension for sidewall corer | Alfred H. Jageler, Lauren G. Kilmer, George W. Terral | 1983-08-02 |
| 4280569 | Fluid flow restrictor valve for a drill hole coring tool | — | 1981-07-28 |