Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9091383 | Hot tapping clamp assembly | Richard J. Robichaux, John W Angers, Jr. | 2015-07-28 |
| 9010350 | Method of hot tapping into a pipe | Richard J. Robichaux, John W Angers, Jr. | 2015-04-21 |
| 8701699 | Hot tapping seal assembly | Richard J. Robichaux, John W Angers, Jr. | 2014-04-22 |
| 8678110 | Mud saver valve and method of operation of same | — | 2014-03-25 |
| 8474473 | Method of direct hot tapping into a multiple production string without removing outer layers of casing | Richard J. Robichaux, John W Angers, Jr. | 2013-07-02 |
| 8002032 | Hydraulic overshot with removable setting and testing core | Fredrick Wong | 2011-08-23 |
| 7938137 | Method of direct hot tapping into a multiple production string without removing outer layers of casing | Richard J. Robichaux, John W Angers, Jr. | 2011-05-10 |