Brett; J. Ford
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brett; J. Ford.The latest application filed is for "whirl resistant bit".
- Brett; J. Ford - Tulsa OK
| Patent | Date |
|---|---|
| Whirl resistant bit Grant RE34,435 - Warren , et al. November 9, 1 | 1993-11-09 |
| Low friction subterranean drill bit and related methods Grant 5,131,478 - Brett , et al. July 21, 1 | 1992-07-21 |
| Imbalance compensated drill bit Grant 5,042,596 - Brett , et al. August 27, 1 | 1991-08-27 |
| Method of making imbalanced compensated drill bit Grant 5,010,789 - Brett , et al. * April 30, 1 | 1991-04-30 |
| Method for stabilizing a rotary drill string and drill bit Grant 4,982,802 - Warren , et al. January 8, 1 | 1991-01-08 |
| Apparatus and method for rotationally orienting a fluid conducting conduit Grant 4,948,925 - Winters , et al. August 14, 1 | 1990-08-14 |
| Whirl resistant bit Grant 4,932,484 - Warren , et al. June 12, 1 | 1990-06-12 |
| Apparatus for controlling the force applied to a drill bit while drilling Grant 4,721,172 - Brett , et al. January 26, 1 | 1988-01-26 |
| Method and apparatus for reducing drill bit wear Grant 4,705,117 - Warren , et al. November 10, 1 | 1987-11-10 |
| Method and apparatus for controlling the rotational torque of a drill bit Grant 4,660,656 - Warren , et al. April 28, 1 | 1987-04-28 |
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