Patents by Inventor Raymond A. Rohlfing

Raymond A. Rohlfing 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).

  • Method for curing a flexible hose
    Patent number: 4537736
    Abstract: A method for making curved hose using a curved mandrel by applying a melted material to an inside surface of an uncured hose and solidifying the material. The material is remeltable and forms a lubricant when the hose is pushed onto and removed from a hot curved mandrel.
    Type: Grant
    Filed: December 5, 1983
    Date of Patent: August 27, 1985
    Assignee: The Gates Rubber Company
    Inventors: William S. Peltzman, Raymond A. Rohlfing, Charles C. Gates, Jr.