Patents by Inventor Yizhao Zhang

Yizhao 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).

  • System and method for in line in situ validation of exhaust filters
    Patent number: 8408046
    Abstract: A system for in line in situ validation of an air filter of an exhaust filter system including a scan head, a means for facilitating movement of said scan head in the XY plane, a means for externally controlling the movement of the scan head from outside the plenum of the exhaust filter system in the XY plane, and a means for coupling the scan head to the means for externally controlling the movement of the scan head, is provided. The system can also include a scanning arm, inside and outside magnetic couples, and rolling means to facilitate movement of the inside and outside magnetic couples. A method for in line in situ validation of an air filter in an exhaust filter system is also described, which involves the use of the system for in line in situ validation of air filters of an exhaust filter system.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: April 2, 2013
    Inventors: Zhonglin Xu, Yizhao Zhang, Feng Wen, Jinming Shen, Xin Feng, Rajagopal Vijayakumar
  • System and Method for In Line In Situ Validation of Exhaust Filters
    Publication number: 20100116031
    Abstract: A system for in line in situ validation of an air filter of an exhaust filter system including a scan head, a means for facilitating movement of said scan head in the XY plane, a means for externally controlling the movement of the scan head from outside the plenum of the exhaust filter system in the XY plane, and a means for coupling the scan head to the means for externally controlling the movement of the scan head, is provided. The system can also include a scanning arm, inside and outside magnetic couples, and rolling means to facilitate movement of the inside and outside magnetic couples. A method for in line in situ validation of an air filter in an exhaust filter system is also described, which involves the use of the system for in line in situ validation of air filters of an exhaust filter system.
    Type: Application
    Filed: November 13, 2009
    Publication date: May 13, 2010
    Inventors: Zhonglin Xu, Yizhao Zhang, Feng Wen, Jinming Shen, Xin Feng, R. Vijayakumar
  • LED floor lamp
    Patent number: D992195
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: July 11, 2023
    Inventor: Yizhao Zhang
  • Ground stake
    Patent number: D1025404
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: April 30, 2024
    Inventor: Yizhao Zhang