Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10794497 | Vacuum-based energy-saving large-capacity precision pressure regulation valve | Ping-Cheng Yu | 2020-10-06 |
| 10732650 | Vacuum large-capacity electrically controlled proportional valve | Ping-Cheng Yu, Yu-Li Chen | 2020-08-04 |
| 10704701 | Vacuum electrically controlled proportional valve | Ping-Cheng Yu, Yu-Li Chen | 2020-07-07 |
| 10670163 | Electrically-controlled large-capacity proportional valve | Ping-Cheng Yu | 2020-06-02 |
| 10578065 | Two-stage intake and two-stage discharge structure of electrically controlled proportional valve | Ping-Cheng Yu | 2020-03-03 |