Issued Patents 2017
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9828979 | Accumulator over hydraulic pump double-acting cylinder for artificial lift operations | Mathew J. McEachern, Huajun Chen, Yanmei Li | 2017-11-28 |
| 9792110 | Automatic online system upgrade | Salman A. Baset, Bao Hua Dai, Shu Tao | 2017-10-17 |
| 9631463 | Accumulator counterbalanced three chamber cylinder for artificial lift operations | Mathew J. McEachern, Huajun Chen, Yanmei Li | 2017-04-25 |
| 9631464 | Pneumatic-on-top counterbalanced three-chamber cylinder for artificial lift operations | Mathew J. McEachern, Huajun Chen, Yanmei Li | 2017-04-25 |
| 9576048 | Complex service network ranking and clustering | Rahul P. Akolkar, Thomas E. Chefalas, Yexi Jiang, Jim A. Laredo, Chang-Shing Perng +5 more | 2017-02-21 |
| 9534063 | Procatalyst composition with substituted 1,2-phenylene aromatic diester internal donor and method | Linfeng Chen, Tak W. Leung | 2017-01-03 |