Patents by Inventor Edward H. Hunter

Edward H. Hunter 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).

  • Boiler tubes of enhanced efficiency and method of producing same
    Patent number: 4644907
    Abstract: A composite boiler tube has a fireside surface and a water-side surface and comprises a metallic tubular member having an outer surface and an inner surface. One of the metallic surfaces has an efficiency enhancing coating adhered thereto and providing the composite tube with the fireside surface or the waterside surface. A method of enhancing the efficiency of a boiler tube which comprises a metallic tubular member having an outer surface and an inner surface includes the step of applying a coating of efficiency enhancing material adhered to one of the metallic tube member surfaces, thus to produce a composite boiler tube.
    Type: Grant
    Filed: November 29, 1985
    Date of Patent: February 24, 1987
    Inventor: Edward H. Hunter