Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5720349 | Starting mill and operations | Charles W. Pleasants | 1998-02-24 |
| 5620051 | Whipstock | John D. Roberts | 1997-04-15 |
| 5531271 | Whipstock side support | — | 1996-07-02 |
| 5522461 | Mill valve | John D. Roberts | 1996-06-04 |
| 5452759 | Whipstock system | Mark W. Schnitker | 1995-09-26 |
| 5429187 | Milling tool and operations | Karl J. Beagrie, David H. Shubert | 1995-07-04 |
| 5425417 | Wellbore tool setting system | — | 1995-06-20 |
| 5409060 | Wellbore tool orientation | — | 1995-04-25 |
| 5341873 | Method and apparatus for deviated drilling | Mark W. Schnitker | 1994-08-30 |
| 5253710 | Method and apparatus to cut and remove casing | Shane P. Hart, Carl D. Reynolds | 1993-10-19 |
| 4717290 | Milling tool | Carl D. Reynolds, Shane P. Hart | 1988-01-05 |
| 4618009 | Reaming tool | Carl D. Reynolds, Larry R. Mundorf | 1986-10-21 |