Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276288 | Two-stage speed controller | Po-Hsun Yu, Chih-Sheng Cheng, Wei-Xiang Cheng | 2025-04-15 |
| 11634175 | Dip angle-steering median filtering method based on a niche differential evolution algorithm | Shoudong Huo, Zhenghui Gao, Fuxing Han, Zhangqing Sun, Liang-Kang Huang +1 more | 2023-04-25 |
| 10865909 | Vacuum-keeping multistage vacuum-generating and vacuum-destructing valve | Wei-Huan Yu | 2020-12-15 |
| 10808496 | Cementing plug | Hongying Zhang, Na Wang, Yanfu Huang, Lin Shi | 2020-10-20 |
| 10794497 | Vacuum-based energy-saving large-capacity precision pressure regulation valve | Chih-Sheng Cheng | 2020-10-06 |
| 10732650 | Vacuum large-capacity electrically controlled proportional valve | Chih-Sheng Cheng, Yu-Li Chen | 2020-08-04 |
| 10704701 | Vacuum electrically controlled proportional valve | Chih-Sheng Cheng, Yu-Li Chen | 2020-07-07 |
| 10670163 | Electrically-controlled large-capacity proportional valve | Chih-Sheng Cheng | 2020-06-02 |
| 10578065 | Two-stage intake and two-stage discharge structure of electrically controlled proportional valve | Chih-Sheng Cheng | 2020-03-03 |
| 10352464 | Structure of energy-saving precision pressure adjusting valve | Chih-Sheng Cheng | 2019-07-16 |