Patents by Inventor Benchang Qiao

Benchang Qiao 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).

  • Laundry machine
    Patent number: D851844
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: June 18, 2019
    Assignee: QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.
    Inventors: Zhi Kong, Benchang Qiao, Wenwei Li, Benfu Xing, Haitao Zhu, Jinkai Wang, Rongshuai Cai