Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10464126 | Pressure control system and means for pressure pouring of cast steel wheels | Zhongxian Du, Hongwei Ma, James H. Strickland, Sijin Zhang, Jianfei Sun +2 more | 2019-11-05 |
| 10429007 | Gas pressure tank structure | Zhaoli Yang, Yue Zuo, Xuejun Zhu, Sijin Zhang, Zhongxian Du +3 more | 2019-10-01 |
| 10294696 | Locking mechanism for a tank body and a tank cover of a pressure tank | Yuepeng Zheng, Yue Zuo, Rizhuo Bai, Sijin Zhang, Zhongxian Du +3 more | 2019-05-21 |
| 10252330 | Pouring metallic plug stick clamping mechanism for cast steel wheels | Sijin Zhang, Xuefeng Yu, James H. Strickland, Zhongxian Du, Changling Hu | 2019-04-09 |