Patents by Inventor Shiyong Feng

Shiyong Feng 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).

  • DC micro-grid system, charging loop circuit and control method thereof
    Patent number: 11929634
    Abstract: Provided by the present application are a Direct Current (DC) micro-grid system, a charging loop circuit and a control method thereof. The charging loop circuit selectively connects a charging loop to a first side loop or a second side loop through a set of switches.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: March 12, 2024
    Assignee: Gree Electric Appliances, Inc. of Zhuhai
    Inventors: Shiyong Jiang, Xiang Zhang, Chongyang Feng, Ningning Chen, Meng Li, Yu Zhang
  • Pipe clearing apparatus
    Patent number: D910251
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: February 9, 2021
    Inventors: Yl Lan, Shiyong Feng