Patents by Inventor Wenfei MAO

Wenfei MAO 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: 11892490
    Abstract: Disclosed herein is a system for measuring a microwave dielectric property of a solid material under force. The system measures the microwave dielectric property of the solid material under a horizontal pressure. A shield case for microwave electromagnetic shielding is provided outside the system. The shield case includes a layer of pure aluminum and a layer of pyramids made of a microwave absorbing material. A manual hydraulic pump controls loading and unloading of a pressure loading device.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: February 6, 2024
    Assignee: CENTRAL SOUTH UNIVERSITY
    Inventors: Lixin Wu, Wenfei Mao, Yuan Qi
  • Publication number: 20210132130
    Abstract: Disclosed herein is a system for measuring a microwave dielectric property of a solid material under force. The system measures the microwave dielectric property of the solid material under a horizontal pressure. A shield case for microwave electromagnetic shielding is provided outside the system. The shield case includes a layer of pure aluminum and a layer of pyramids made of a microwave absorbing material. A manual hydraulic pump controls loading and unloading of a pressure loading device.
    Type: Application
    Filed: January 12, 2021
    Publication date: May 6, 2021
    Inventors: Lixin WU, Wenfei MAO, Yuan QI