Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11933112 | Hydraulically powered centralizer device for borehole and method | — | 2024-03-19 |
| 11898424 | Non-explosive casing perforating devices and methods | — | 2024-02-13 |
| 11846176 | Release tool for downhole operations | Phil Phelps, John T. Hardesty, Terrell Saltarelli | 2023-12-19 |
| 11719093 | Valve status indicator system and method | John T. Hardesty | 2023-08-08 |
| 11680468 | Multi-gun cluster carrier | John T. Hardesty | 2023-06-20 |
| 11608737 | Valve status indicator system and method | John T. Hardesty | 2023-03-21 |
| 11384625 | Device and method for angularly orientating wellbore perforating guns | — | 2022-07-12 |
| 11333003 | Opening a casing with a hydraulic-powered setting tool | John T. Hardesty | 2022-05-17 |
| 10995585 | Electronic valve with deformable seat and method | Raymond C. Shaffer | 2021-05-04 |
| 10920515 | Device and method for retrieving a restriction element from a well | John T. Hardesty, Kevin R. George, Michael D. Wroblicky | 2021-02-16 |
| 10851613 | Two-part restriction element for large-bore downhole isolation tool and method | Michael D. Wroblicky, Kevin R. George, John T. Hardesty | 2020-12-01 |
| 10704357 | Device and method for opening and stopping a toe valve | John T. Hardesty, Kevin R. George | 2020-07-07 |
| 10704358 | Device and method for opening and stopping a toe valve | John T. Hardesty, Kevin R. George | 2020-07-07 |
| 10689948 | Electronic time delay apparatus and method | John T. Hardesty, Paul Andrew Church, Iain MacLeod, Andrew John Elrick, Peter Alan Joiner | 2020-06-23 |
| 10641068 | Perforating gun system and method | John T. Hardesty, Wenbo Yang | 2020-05-05 |
| 10584557 | Debris preventing downhole air lock device and method | Raymond C. Shaffer, Kevin R. George | 2020-03-10 |
| 10294752 | Reverse flow catch-and-release tool and method | Varun Garg, John T. Hardesty, Kevin R. George, Raymond C. Shaffer, Philip M. Snider +1 more | 2019-05-21 |
| 10253597 | Degradable material time delay system and method | John T. Hardesty, Kevin R. George | 2019-04-09 |
| 10240446 | Reverse flow seat forming apparatus and method | Philip M. Snider, David S. Wesson | 2019-03-26 |
| 10221654 | Reverse flow arming and actuation apparatus and method | Varun Garg, Kevin R. George, Michael D. Wroblicky, Raymond C. Shaffer, John T. Hardesty +2 more | 2019-03-05 |
| 10208570 | Degradable material time delay system and method | John T. Hardesty, Kevin R. George | 2019-02-19 |
| 10184319 | Reverse flow seat forming apparatus and method | John T. Hardesty, Raymond C. Shaffer, Varun Garg, Kevin R. George, Philip M. Snider +1 more | 2019-01-22 |
| 10156126 | Degradable material time delay system and method | John T. Hardesty, Kevin R. George | 2018-12-18 |
| 9689232 | Reverse flow actuation apparatus and method | John T. Hardesty, Kevin R. George, Raymond C. Shaffer, Michael D. Wroblicky, Varun Garg +2 more | 2017-06-27 |
| 9617826 | Reverse flow catch-and-engage tool and method | Kevin R. George, Varun Garg, John T. Hardesty, Raymond C. Shaffer, Philip M. Snider +1 more | 2017-04-11 |