Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8978784 | Directional well drilling | — | 2015-03-17 |
| 8878688 | Well downhole condition signalling | — | 2014-11-04 |
| 8874407 | System for determination of downhole position | Richard Stevens, Benjamin Brooking | 2014-10-28 |
| 6763900 | Directional well drilling | — | 2004-07-20 |
| 6762601 | Non-invasive detectors for wells | Simon Benedict Duckett | 2004-07-13 |
| 6698534 | Direction control in well drilling | — | 2004-03-02 |
| 6523609 | Borehole pressure gauge | — | 2003-02-25 |
| 6354379 | Oil well separation method and apparatus | James Barrett, Richard Stevens | 2002-03-12 |
| 5413045 | Detonation system | — | 1995-05-09 |
| 5293940 | Automatic tubing release | Joe C. Hromas, Klaus Huber | 1994-03-15 |
| 5216197 | Explosive diode transfer system for a modular perforating apparatus | Klaus Huber | 1993-06-01 |
| 5191933 | Wellbore apparatus including a rathole pressure balanced-differential pressure firing system | A. Glen Edwards, Klaus Huber, Joe C. Hromas, William McGinley Hill | 1993-03-09 |
| 5191936 | Method and apparatus for controlling a well tool suspended by a cable in a wellbore by selective axial movements of the cable | A. Glen Edwards, Klaus Huber | 1993-03-09 |
| 5158142 | Apparatus for releasing a pipe string from an object stuck downhole by continuously applying tension to said apparatus | Klaus Huber, Joe C. Hromas | 1992-10-27 |
| 5131470 | Shock energy absorber including collapsible energy absorbing element and break up of tensile connection | Klaus Huber | 1992-07-21 |
| 5058680 | Method of detonating a perforating apparatus on a tubing including lowering one end of a pump and a firing head into said tubing | Klaus Huber, A. Glen Edwards, William McGinley Hill | 1991-10-22 |
| 5050672 | Pump apparatus including a firing head for use with a perforating gun on a tubing string | Klaus Huber, A. Glen Edwards, William McGinley Hill | 1991-09-24 |
| 5040597 | Well apparatus including a pump and a firing head adapted to be inserted into a tubing which includes a perforating gun | Klaus Huber, A. Glen Edwards, William McGinley Hill | 1991-08-20 |
| 5033553 | Intra-perforating gun swivel | Klaus Huber | 1991-07-23 |