Issued Patents All Time
Showing 25 most recent of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312924 | Shaped charge load tube with integrated detonation cord retention mechanism | James A. Rollins | 2025-05-27 |
| 12183002 | Hearing state prediction apparatus and method based on diffusion tensor image | Zhenchang Wang, Xinghao Wang, Qian Chen, Han Lv, Jia Li +5 more | 2024-12-31 |
| D1033754 | Pet water fountain | — | 2024-07-02 |
| 11944963 | Sliding removable coaxial capillary microfluidic chip and preparation method therefor | Shengyang Tao, Shi Feng | 2024-04-02 |
| 11872556 | General-purpose fluorescent fluid photochemical microreactor and manufacturing method therefor by 3D printing | Lijing Zhang, Shengyang Tao, Zhigang Zhu | 2024-01-16 |
| 11842295 | Executing application without unlocking mobile device | JING-WEI LI, Chunpei Feng, Mian Huang | 2023-12-12 |
| 11834935 | Shaped charge load tube with integrated detonation cord retention mechanism | James A. Rollins | 2023-12-05 |
| 11719077 | High density cluster based perforating system and method | James A. Rollins, Philip M. Snider, John T. Hardesty, David S. Wesson | 2023-08-08 |
| 11662185 | Amorphous shaped charge component and manufacture | Moises Enrique Smart, Jason Hoang Mai | 2023-05-30 |
| 11403606 | Executing application without unlocking mobile device | JING-WEI LI, Chunpei Feng, Mian Huang | 2022-08-02 |
| 11326421 | Proppant transport efficiency system and method | John T. Hardesty, James A. Rollins, Kevin Wutherich, Ross Harvey | 2022-05-10 |
| 11323260 | Method and device for identity verification | Zhiwei Wang | 2022-05-03 |
| 11268357 | Constant entrance hole perforating gun system and method | Philip M. Snider, John T. Hardesty, David S. Wesson | 2022-03-08 |
| 11187062 | High density cluster based perforating system and method | James A. Rollins, Philip M. Snider, John T. Hardesty, David S. Wesson | 2021-11-30 |
| 10997443 | User identity verification method, apparatus and system | Le He, Yukun Tuo, Liang Li, Mian Huang, Jidong Chen | 2021-05-04 |
| 10914144 | Proppant transport efficiency system and method | John T. Hardesty, James A. Rollins, Kevin Wutherich, Ross Harvey | 2021-02-09 |
| 10837266 | Constant entrance hole perforating gun system and method | Philip M. Snider, John T. Hardesty, David S. Wesson | 2020-11-17 |
| 10830023 | Shaped charge system having multi-composition liner | James Guilkey, Lawrence A. Behrmann | 2020-11-10 |
| 10794730 | Position tracking system | — | 2020-10-06 |
| 10774624 | Constant entrance hole perforating gun system and method | Philip M. Snider, John T. Hardesty, David S. Wesson | 2020-09-15 |
| 10753183 | Refracturing in a multistring casing with constant entrance hole perforating gun system and method | Philip M. Snider, David Mark Ambler, David A. Cuthill, John T. Hardesty, David S. Wesson | 2020-08-25 |
| 10746004 | High density cluster based perforating system and method | James A. Rollins, Philip M. Snider, John T. Hardesty, David S. Wesson | 2020-08-18 |
| 10746003 | High density cluster based perforating system and method | James A. Rollins, Philip M. Snider, John T. Hardesty, David S. Wesson | 2020-08-18 |
| 10641068 | Perforating gun system and method | John T. Hardesty, Dennis Roessler | 2020-05-05 |
| 10467490 | User identity verification method, apparatus and system | Le He, Yukun Tuo, Liang Li, Mian Huang, Jidong Chen | 2019-11-05 |