Issued Patents All Time
Showing 25 most recent of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719077 | High density cluster based perforating system and method | Wenbo Yang, James A. Rollins, John T. Hardesty, David S. Wesson | 2023-08-08 |
| 11268357 | Constant entrance hole perforating gun system and method | Wenbo Yang, John T. Hardesty, David S. Wesson | 2022-03-08 |
| 11187062 | High density cluster based perforating system and method | Wenbo Yang, James A. Rollins, John T. Hardesty, David S. Wesson | 2021-11-30 |
| 11098567 | Well completion method | David S. Wesson, Steve Baumgartner, John T. Hardesty | 2021-08-24 |
| 10871048 | Controlled bypass plug and method | John T. Hardesty, David S. Wesson | 2020-12-22 |
| 10837266 | Constant entrance hole perforating gun system and method | Wenbo Yang, John T. Hardesty, David S. Wesson | 2020-11-17 |
| 10774624 | Constant entrance hole perforating gun system and method | Wenbo Yang, John T. Hardesty, David S. Wesson | 2020-09-15 |
| 10753183 | Refracturing in a multistring casing with constant entrance hole perforating gun system and method | Wenbo Yang, David Mark Ambler, David A. Cuthill, John T. Hardesty, David S. Wesson | 2020-08-25 |
| 10746003 | High density cluster based perforating system and method | Wenbo Yang, James A. Rollins, John T. Hardesty, David S. Wesson | 2020-08-18 |
| 10746004 | High density cluster based perforating system and method | Wenbo Yang, James A. Rollins, John T. Hardesty, David S. Wesson | 2020-08-18 |
| 10612340 | Wellbore plug isolation system and method | Kevin R. George, John T. Hardesty, Michael D. Wroblicky, Nathan G. Clark, James A. Rollins +1 more | 2020-04-07 |
| 10605040 | Large-bore downhole isolation tool with plastically deformable seal and method | John T. Hardesty, Michael D. Wroblicky, David S. Wesson | 2020-03-31 |
| 10480276 | Wellbore plug isolation system and method | Kevin R. George, John T. Hardesty, Michael D. Wroblicky, Nathan G. Clark, James A. Rollins +1 more | 2019-11-19 |
| 10294752 | Reverse flow catch-and-release tool and method | Dennis Roessler, Varun Garg, John T. Hardesty, Kevin R. George, Raymond C. Shaffer +1 more | 2019-05-21 |
| 10240446 | Reverse flow seat forming apparatus and method | Dennis Roessler, David S. Wesson | 2019-03-26 |
| 10221654 | Reverse flow arming and actuation apparatus and method | Dennis Roessler, Varun Garg, Kevin R. George, Michael D. Wroblicky, Raymond C. Shaffer +2 more | 2019-03-05 |
| 10184319 | Reverse flow seat forming apparatus and method | John T. Hardesty, Raymond C. Shaffer, Dennis Roessler, Varun Garg, Kevin R. George +1 more | 2019-01-22 |
| 10180037 | Wellbore plug isolation system and method | John T. Hardesty, Michael D. Wroblicky | 2019-01-15 |
| 10161241 | Reverse flow sleeve actuation method | David S. Wesson | 2018-12-25 |
| 10138725 | Hydraulic delay toe valve system and method | Kevin R. George, David S. Wesson | 2018-11-27 |
| 10119377 | Systems, assemblies and processes for controlling tools in a well bore | — | 2018-11-06 |
| 10107071 | Systems, assemblies and processes for controlling tools in a well bore | Daniel George Purkis | 2018-10-23 |
| 10066461 | Hydraulic delay toe valve system and method | John T. Hardesty, Kevin R. George | 2018-09-04 |
| 9840900 | Process for inhibiting flow of fracturing fluid in an offset wellbore | David S. Wesson | 2017-12-12 |
| 9803455 | Constant entrance hole perforating gun system and method | Wenbo Yang, John T. Hardesty, David S. Wesson | 2017-10-31 |