Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12116308 | Foldable ultrathin glass with transparent, impact-resistant hard coating | Yong Zhu, Yubo Cheng, Jianping Han, Chui Wan Tse, Chenmin Liu | 2024-10-15 |
| 11807774 | Thoroughly modified, functionalized polymeric hard coating material for coatings, methods for synthesizing the same and applications thereof | Yong Zhu, Jianping Han, Yubo Cheng, Lanqi Huang, Chenmin Liu | 2023-11-07 |
| 11714932 | Drill bit design with reduced 3D coupled vibration | Shilin Chen | 2023-08-01 |
| 10774593 | Sealing elements for roller cone bits | Douglas Caraway, Micheal Burl Crawford | 2020-09-15 |
| 9863486 | Driven accessory | James Ignatovich | 2018-01-09 |
| 9765827 | Dry friction clutch for a vehicle accessory | — | 2017-09-19 |
| 9482286 | Fail-safe dry friction clutch for a vehicle accessory | — | 2016-11-01 |
| 9478341 | Solenoid assembly for friction clutch | James Ignatovich | 2016-10-25 |
| 9458897 | Accessory drive with friction clutch | — | 2016-10-04 |
| 9453571 | Metal pulley with non-magnetically susceptible insert | James Ignatovich | 2016-09-27 |
| 9447826 | Friction clutch for driven accessory | — | 2016-09-20 |
| 9279460 | Accessory drive with friction clutch and electric motor | — | 2016-03-08 |
| D695656 | Clutch spring | — | 2013-12-17 |