Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11009135 | Four valve disc frictionless ball valve | Zhongshan Tian, Jun Yuan, Shaochuan Lai, Changqun Yang, Yulong Feng +2 more | 2021-05-18 |
| 10457612 | Slag bacterial fertilizer and preparation method thereof and method for improving degraded soil | Yuanyu Tian, Yingyun Qiao, Kechang Xie, Zhaohe Yang, Meng Yuan | 2019-10-29 |
| 7364416 | Scroll type compressor with an enhanced sealing arrangement | Kun-Yi Liang, Shu-Er Huang, Chun-Chung Yang, Hung-Chi Chen, Yu-Choung Chang | 2008-04-29 |