Patents by Inventor Arthur John Hunt

Arthur John Hunt 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).

  • Cooking oil recovery system
    Patent number: 3968741
    Abstract: Continuously flowing cooking oil is recovered by passing the oil through a series of filters, one of which contains a carbonaceous material, such as bone char. The oil may be simultaneously heated during each filtering step, and the acidity of the oil may be reduced to avoid rancity.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: July 13, 1976
    Inventor: Arthur John Hunt