Patents by Inventor Zhi Ping Zheng

Zhi Ping Zheng 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).

  • Publication number: 20200371021
    Abstract: A gas detecting apparatus and a gas detecting method based on terahertz spectroscopy are provided. The apparatus includes a sample chamber allowing a terahertz wave to pass therethrough; a gas feeding unit connected to the sample chamber to feed gas into the sample chamber; a gas outputting unit connected to the sample chamber to output gas from the sample chamber; and a vacuum pump connected to the sample chamber to evacuate the sample chamber. The apparatus further comprises one or more of a pressure gauge disposed on the sample chamber, an anemometer disposed on the sample chamber, a humidity regulation device connected to the sample chamber, and a temperature regulation device connected to the sample chamber.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 26, 2020
    Applicant: Tsinghua University
    Inventors: XIAO-PING ZHENG, SHAN ZHANG, HUA GENG, XIAO-JIAO DENG, JIA LI, ZHI-JIE LI
  • Patent number: D518480
    Type: Grant
    Filed: October 27, 2003
    Date of Patent: April 4, 2006
    Assignee: Nanyang Brothers Tobacco Company Limited
    Inventors: Zhi Ping Zheng, Wai Kai Koo