Patents by Inventor Qingsong Hua

Qingsong Hua 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).

  • Magnetic filter tube
    Patent number: 11189468
    Abstract: The present invention discloses a magnetic filter tube, and relates to the technical field of magnetic filters. The magnetic filter tube includes a first rectangular tube and a second rectangular tube, where one end of the first rectangular tube is fixedly connected to one end of the second rectangular tube; the other end of the first rectangular tube forms an inlet of the magnetic filter tube; the inlet of the magnetic filter tube is connected with a cathode target flange; the other end of the second rectangular tube forms an outlet of the magnetic filter tube; the outlet of the magnetic filter tube is connected with a vacuum chamber; an inner wall of the first rectangular tube and an inner wall of the second rectangular tube are each provided with a protrusion and a groove; the protrusion is filled with cold water.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: November 30, 2021
    Assignees: Beijing Normal University, Wenli (Guangdong) Technology Co., Ltd.
    Inventors: Bin Liao, Xiaoping Ouyang, Qingsong Hua, Jun Luo, Lin Chen, Xu Zhang, Xianying Wu, Pan Pang, Ran Han, Minju Ying, Weifeng He, Guangyu He
  • MAGNETIC FILTER TUBE
    Publication number: 20210175053
    Abstract: The present invention discloses a magnetic filter tube, and relates to the technical field of magnetic filters. The magnetic filter tube includes a first rectangular tube and a second rectangular tube, where one end of the first rectangular tube is fixedly connected to one end of the second rectangular tube; the other end of the first rectangular tube forms an inlet of the magnetic filter tube; the inlet of the magnetic filter tube is connected with a cathode target flange; the other end of the second rectangular tube forms an outlet of the magnetic filter tube; the outlet of the magnetic filter tube is connected with a vacuum chamber; an inner wall of the first rectangular tube and an inner wall of the second rectangular tube are each provided with a protrusion and a groove; the protrusion is filled with cold water.
    Type: Application
    Filed: May 26, 2020
    Publication date: June 10, 2021
    Inventors: Bin Liao, Xiaoping Ouyang, Qingsong Hua, Jun Luo, Lin Chen, Xu Zhang, Xianying Wu, Pan Pang, Ran Han, Minju Ying, Weifeng He, Guangyu He