Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538082 | Downhole running system & method for setting a downhole tool in a bore | — | 1996-07-23 |
| 5467822 | Pack-off tool | — | 1995-11-21 |
| 5366010 | Retrievable bridge plug and a running tool therefor | — | 1994-11-22 |
| 5355950 | Centraliser | — | 1994-10-18 |
| 5267613 | Upstroke jar | Colin McHardy | 1993-12-07 |
| 5052849 | Quick-locking connector | — | 1991-10-01 |
| 4883121 | Downhole lock assembly | — | 1989-11-28 |
| 4607692 | Wireline jar | — | 1986-08-26 |
| 4487221 | Device for temporarily sealing a pipe | — | 1984-12-11 |