Patents by Inventor Kejing Chen

Kejing Chen 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).

  • Heater
    Patent number: D654158
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: February 14, 2012
    Assignee: Ningbo Zhenhai Yuanda Electromechanical Manufacturing Co., Ltd.
    Inventors: Kejing Chen, Wenbin Li
  • Heater
    Patent number: D654159
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: February 14, 2012
    Assignee: Ningbo Zhenhai Yuanda Electromechanical Manufacturing Co., Ltd.
    Inventors: Kejing Chen, Wenbin Li