Patents by Inventor Yitian Zhang

Yitian Zhang 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).

  • Grain sampling and imaging device
    Patent number: 11913887
    Abstract: In a grain sampling and imaging device, a grain bin (1) is located under a sampling body (5), a grain feed connector (4) is fixed to a top of the sampling body (5), an observation window (2) is installed on the sampling body (5), a camera (3) is installed above the observation window (2); grains fall to a grain feed connector (4), and then into the sampling body (5), and then are sieved by multiple passages of the sampling body (5), a part of the grains randomly enter the observation window (2) and photographed by the camera (3), and finally all of the grains enter the grain bin (1) through a discharge outlet (5.1) provided at a bottom of the sampling body (5).
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: February 27, 2024
    Assignee: ZHEJIANG UNIVERSITY
    Inventors: Xiuqin Rao, Yangyang Lin, Yitian Wang, Yanning Zhang, Xiaomin Zhang, Yibin Ying, Haiyi Jiang
  • Acoustically resistive supported membrane assemblies including at least one support structure
    Patent number: 11417311
    Abstract: Water impermeable, air permeable membrane assemblies are described herein. In some embodiments, the assemblies include a polymer membrane and at least one support structure. Certain assemblies are configured to provide an acoustic impedance having phase angle of +45 degrees to ?45 over a frequency range of 50 to 20,000 Hz.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: August 16, 2022
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Zachary E. Lampert, Wayne M. Gibbons, Yitian Zhang
  • ACOUSTICALLY RESISTIVE SUPPORTED MEMBRANE ASSEMBLIES INCLUDING AT LEAST ONE SUPPORT STRUCTURE
    Publication number: 20220036873
    Abstract: Water impermeable, air permeable membrane assemblies are described herein. In some embodiments, the assemblies include a polymer membrane and at least one support structure. Certain assemblies are configured to provide an acoustic impedance having phase angle of +45 degrees to ?45 over a frequency range of 50 to 20,000 Hz.
    Type: Application
    Filed: May 20, 2021
    Publication date: February 3, 2022
    Applicant: W. L. Gore & Associates, Inc.
    Inventors: Zachary E. Lampert, Wayne M. Gibbons, Yitian Zhang
  • Acoustically resistive supported membrane assemblies
    Patent number: 10741160
    Abstract: Water impermeable, air permeable membrane assemblies are described herein. In some embodiments, the assemblies include a polymer membrane and at least one support layer. Certain assemblies are configured to provide an acoustic impedance having phase angle of +45 degrees to ?45 over a frequency range of 50 to 20,000 Hz.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: August 11, 2020
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Wayne Gibbons, Zachary Lampert, Yitian Zhang