Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10369559 | Composite catalyst, preparation process thereof, and process for catalyzing the trimerization of butadiene using the composite catalyst | Lei Qin, Weiqi Hua, Ruihua Cheng, Yuan Li, Baiping Liu | 2019-08-06 |
| 9926259 | Catalyst for fixed bed aniline rectification residue recycling and preparation method | Hua Mei, Hao Chen, Dewei Yu, Congying Zhang, Hui Wang +8 more | 2018-03-27 |
| 7066743 | Electrical connector with spacer | Renzhi Li | 2006-06-27 |
| D453738 | Electrical connector assembly | Mingbo Shao, Qisheng Zheng | 2002-02-19 |
| D453501 | Electrical connector assembly | Mingbo Shao, Qisheng Zheng | 2002-02-12 |
| D450659 | Electrical connector | Qisheng Zheng | 2001-11-20 |