Patents by Inventor Frank John Turner Harris

Frank John Turner Harris 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).

  • Disposable filter element
    Patent number: 4102792
    Abstract: Disposable filter for fluids in the form of a ring of pleated filter material provided with continuous lines of corrugations at right angles to the pleats; some of the lines have corrugations of greater height than the other lines.
    Type: Grant
    Filed: November 16, 1976
    Date of Patent: July 25, 1978
    Assignee: Evans, Adlard & Company Limited
    Inventor: Frank John Turner Harris