Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6345811 | Combined packing-tray in a vapor-liquid contacting tower and a process for effecting operation with high capacity and high turndown ratio | Xiaomei Yu, Jun Tian, Jiazhong Zhu, Zuming Zheng, Kejian Yao | 2002-02-12 |
| 6299146 | Retangular suspending downcomer directing tray | Xiaomei Yu, Chongsi Xu, Jingzhong Zhu, Zuming Zheng, Kejian Yao +1 more | 2001-10-09 |