Patents by Inventor Menglin Ou

Menglin Ou 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).

  • Heavy duty foot operated can crusher
    Patent number: D995580
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: August 15, 2023
    Assignee: Luotian County Huayang Machinery Equipment Maintenance Service Co., Ltd.
    Inventor: Menglin Ou
  • Air powered can crusher
    Patent number: D994727
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: August 8, 2023
    Assignee: LUOTIAN COUNTY HUAYANG MACHINERY EQUIPMENT MAINTENANCE SERVICE CO., LTD.
    Inventor: Menglin Ou
  • Aluminum can crusher
    Patent number: D1002687
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: October 24, 2023
    Assignee: Luotian County Huayang Machinery Equipment Maintenance Service Co., Ltd.
    Inventor: Menglin Ou