Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394181 | Self-regulating lift fluid injection tool and method for use of same | Clark E. Robison, Russell Irving Bayh, III | 2002-05-28 |
| 6286596 | Self-regulating lift fluid injection tool and method for use of same | Clark E. Robison, Russell Irving Bayh, III | 2001-09-11 |
| 6150601 | Method and apparatus for generating electric power downhole | Clark E. Robison | 2000-11-21 |
| 6082458 | Flow control apparatus with specific latching means for use in a subterranean well and associated methods | — | 2000-07-04 |
| 5957207 | Flow control apparatus for use in a subterranean well and associated methods | — | 1999-09-28 |
| 5957208 | Flow control apparatus | — | 1999-09-28 |
| 5718289 | Apparatus and method for use in injecting fluids in a well | Charles R. Williams | 1998-02-17 |
| 5577925 | Concentric wet connector system | Pat M. White | 1996-11-26 |
| 5535767 | Remotely actuated adjustable choke valve and method for using same | Joseph L. Pearce | 1996-07-16 |
| 5058683 | Wet connector | Craig W. Godfrey, Henry P. Arendt | 1991-10-22 |
| 4997384 | Wet connector | Craig W. Godfrey, Henry P. Arendt | 1991-03-05 |
| 4921438 | Wet connector | Craig W. Godfrey, Henry P. Arendt | 1990-05-01 |
| 4846269 | Apparatus for monitoring a parameter in a well | — | 1989-07-11 |
| 4828027 | Apparatus for monitoring a parameter in a well | — | 1989-05-09 |
| 4825946 | Apparatus for monitoring a parameter in a well | — | 1989-05-02 |
| 4757859 | Apparatus for monitoring a parameter in a well | — | 1988-07-19 |
| 4624309 | Apparatus for monitoring a parameter in a well | — | 1986-11-25 |
| D277286 | Solar powered valve control unit | — | 1985-01-22 |
| 4411455 | Riser connector | — | 1983-10-25 |
| 4307902 | Riser connector | — | 1981-12-29 |