Patents by Inventor Donald E. Liepse

Donald E. Liepse 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).

  • Fryer filter and pump
    Patent number: 4642184
    Abstract: A device is provided for removing particles formed in the deep fat frying of foodstuffs in liquefied grease which pumps the mixture of liquefied grease and the particles suspended therein from a deep fat fryer and delivers the mixture to a filter and provides for the return of the liquefied grease filtrate to the deep fat fryer or for its transfer to a storage container.
    Type: Grant
    Filed: March 6, 1985
    Date of Patent: February 10, 1987
    Inventor: Donald E. Liepse