Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208019 | Headrest assembly | Yintai Jiang, Jianhua Wang | 2021-12-28 |
| 11192482 | Headrest assembly including locking arrangement reducing BSR | Yintai Jiang, Jianhua Wang | 2021-12-07 |
| 11142108 | Bushing arrangement for headrest assembly | Yintai Jiang, Jianhua Wang | 2021-10-12 |
| 10821869 | Headrest assembly | Yingtai Jiang, Jianhua Wang | 2020-11-03 |
| 10737603 | Headrest assembly | Yingtai Jiang, Jianhua Wang | 2020-08-11 |
| 10406955 | Ratcheting headrest assembly | Yintai Jiang, Jianhua Wang | 2019-09-10 |
| 10166899 | Ratcheting headrest assembly | Yintai Jiang, Jianhua Wang | 2019-01-01 |
| 9638031 | Method of controlling well bore pressure based on model prediction control theory and systems theory | Zhilin LI, Bin Dong, Haifang Sun, Liexiang Han, Runde Xiao +5 more | 2017-05-02 |
| 9061615 | Folding headrest | Jianhua Wang, Yingtai Jiang, Xiaoguang Wang | 2015-06-23 |