Patents by Inventor Clarence D. Korn

Clarence D. Korn 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).

  • Furnace system for and method of melting and preheating metal
    Patent number: 4021192
    Abstract: This invention provides a furnace system for and method of melting metal charges which utilizes hot gases generated by a burner, and are ordinarily discharged from the furnace as waste, for the dual purpose of preheating metal to be subsequently melted and preheating combustion air which is used to provide more efficient operation of the furnace burner.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: May 3, 1977
    Assignee: Reynolds Metals Company
    Inventors: Jack A. Ferguson, Clarence D. Korn