Patents by Inventor Yi Qing

Yi Qing 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).

  • Pet automatic feeder
    Patent number: D822292
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: July 3, 2018
    Assignees: Cixi Huazhijie Plastic Co., Ltd., Shanghai Uwin International Trade Co., Ltd.
    Inventors: Jie Hua, Yi Qing