Patents by Inventor Duochan Hu

Duochan Hu 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).

  • Weight measuring instrument
    Patent number: D787965
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: May 30, 2017
    Assignee: OHAUS INSTRUMENTS (SHANGHAI) CO., LTD.
    Inventors: Jian Pan, Haisong Zhan, Duochan Hu, Jian Cai
  • Weight measuring instrument with cover
    Patent number: D787966
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: May 30, 2017
    Assignee: OHAUS INSTRUMENTS (SHANGHAI) CO., LTD.
    Inventors: Jian Pan, Haisong Zhan, Duochan Hu, Jian Cai