Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10479658 | Telescopic device of single-cylinder latch type and crane | Haiyan Zhang, Caobin Lu, Jingwen Liang | 2019-11-19 |
| 10359063 | Method and system for recovering and utilizing operating energy of crane, and crane | Zenghai Shan, Zhengde Zhang, Haiyan Zhang, Conglin Yuan | 2019-07-23 |