Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11813591 | Ethylene degradation catalyst and preparation method and use thereof | Ge Li, Ziran Ma, Jing Ma, Shengpan Peng, Hongyan Wang | 2023-11-14 |
| 9649618 | Method for preparing solid amine gas adsorption material | Zhonghua Zhang, Qi Sun | 2017-05-16 |
| 9517965 | Method for preparing a soda-lime-silica glass basic formulation and a method for extracting aluminum from coal ash for co-production of glass | Qi Sun, Lijun Zhao, Xiaoting Liu | 2016-12-13 |
| 7044473 | Piston and piston ring assembly | Zhihong Zhu | 2006-05-16 |
| 6113107 | Self-lubricated and-adjusted piston ring | Ping Cai, Chuansi Xue, Yumin Zhang, Xiaoshan Cai | 2000-09-05 |