Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835006 | Wellbore plug isolation system and method | John T. Hardesty | 2017-12-05 |
| 9689232 | Reverse flow actuation apparatus and method | John T. Hardesty, Raymond C. Shaffer, Michael D. Wroblicky, Dennis Roessler, Varun Garg +2 more | 2017-06-27 |
| 9650866 | Hydraulic delay toe valve system and method | James A. Rollins, John T. Hardesty, David S. Wesson | 2017-05-16 |
| 9617826 | Reverse flow catch-and-engage tool and method | Dennis Roessler, Varun Garg, John T. Hardesty, Raymond C. Shaffer, Philip M. Snider +1 more | 2017-04-11 |