Issued Patents 2019
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10494699 | Method of refining aluminum alloy | Lisheng Wang, Zhihua Zhu, Chunhai Liu, Changhai Li, Lateng A +4 more | 2019-12-03 |
| 10466133 | Device for removing valve hole sealing substitute from hub | Jinqi Lyu, Zhipeng Li, Zhigao Yin, Zhihua Zhu, Chunhai Liu | 2019-11-05 |
| 10328486 | Automatically-returning mold ejection device and casting mold comprising the same | Fengbao Luo, Zhihua Zhu, Changhai Li | 2019-06-25 |
| 10245635 | Low-pressure mold for improving performance of spokes of aluminum wheel | Guohua Liu, Xu Wang, Xueqiang Li, Dong Xing, Junmeng Li +2 more | 2019-04-02 |
| 10234352 | Device and method for measuring air tightness of aluminum alloy hub or tyre | Chunhai Liu, Zhigao Yin, Hanbao Sun, Debin Tang, Jinqi Lv +3 more | 2019-03-19 |
| 10201850 | Local extrusion device for high-pressure casting | Chuan Dai, Fengjun Zhang, Zhihua Zhu, Changhai Li | 2019-02-12 |
| 10196087 | Method for drilling a steering knuckle casting | Bowen Xue, Yacong Zhang, Jiandong Guo, Zhihua Zhu, Changhai Li | 2019-02-05 |