Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408093 | Welded high-pressure fuel pump roller tappet | Haijun REN, Hua Dong | 2019-09-10 |
| 10316469 | On-line control and reaction process for pH adjustment | Meng Zhang, Jun Li, Yulin Zhao | 2019-06-11 |
| 10287930 | Lightweight rocker arm frame and curved crown part forming process thereof | Haijun REN | 2019-05-14 |
| 10215201 | Column type hydraulic tappet | — | 2019-02-26 |
| 10208634 | Columnar hydraulic tappet | — | 2019-02-19 |