Patents by Inventor William H. Crowell

William H. Crowell 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 receptacle
    Patent number: 4691664
    Abstract: A dish-like receptacle for serving liquids to small animals whereby a coolant source maintains the liquid at a reduced temperature over extended periods. The coolant source is a frozen gel which may be refrozen, regenerated or replaced as needed.
    Type: Grant
    Filed: February 5, 1986
    Date of Patent: September 8, 1987
    Assignee: The Cool Water Corporation
    Inventor: William H. Crowell