Patents by Inventor Chongsi Xu

Chongsi Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6299146
    Abstract: The vapor-liquid contacting tower contains multiple trays having multiple openings and multiple rectangular downcomers with multiple bottom openings. At least a pair of directing slots and at least a pair of directing baffles are installed in the liquid receiving zone of the tray and under the bottom openings of a downcomer of the adjacent overlying tray.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: October 9, 2001
    Assignees: China Petro-Chemical Corp., Zhenjiang University of Tech.
    Inventors: Xiaomei Yu, Chongsi Xu, Jingzhong Zhu, Ou Li, Zuming Zheng, Kejian Yao, Jun Tian