Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803700 | Clutch ring gear assembly and method of construction thereof | Peter Heidbüchel, Zhao Quande, Peng Sibo | 2017-10-31 |
| 5670037 | Process for producing light olefins by catalytic conversion of hydrocarbons | Li Zaiting, Xie Chaogang, Shi Wenyuan, Jiang Fukang, Pan Rennan +1 more | 1997-09-23 |
| 5380690 | Cracking catalyst for the production of light olefins | Shi Zhicheng, Shi Wenyuan, Ye Yifang, Ge Xingpin, Cao Ping +7 more | 1995-01-10 |