Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44427 | Apparatus for directional boring under mixed conditions | Randy R. Runquist, James Richard Rankin, ReneMarcel Albert | 2013-08-13 |
| 6659202 | Steerable fluid hammer | Randy R. Runquist | 2003-12-09 |
| 6588516 | Method and apparatus for directional boring under mixed conditions | Randy R. Runquist, James Richard Rankin, Rene Albert | 2003-07-08 |
| 6516899 | Method and apparatus for directional boring under mixed conditions | Steven W. Wentworth, Robert F. Crane, Randy R. Runquist | 2003-02-11 |
| 6491115 | Directional drilling machine and method of directional drilling | Randy R. Runquist, Brian John Bischel, Mark Robert Stelter, Gregg Austin | 2002-12-10 |
| 6454025 | Apparatus for directional boring under mixed conditions | Randy R. Runquist, James Richard Rankin, ReneMarcel Albert | 2002-09-24 |
| 6439319 | Method and apparatus for directional boring under mixed conditions | Steven W. Wentworth, Robert F. Crane, Randy R. Runquist | 2002-08-27 |
| 6390207 | Method and apparatus for directional boring under mixed conditions | Steven W. Wentworth, Robert F. Crane, Randy R. Runquist | 2002-05-21 |
| 6357537 | Directional drilling machine and method of directional drilling | Randy R. Runquist | 2002-03-19 |