Patents by Inventor Bennie A. Stevens

Bennie A. Stevens 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).

  • Patent number: 4044799
    Abstract: A method for simultaneously extruding and foaming a seamless, closed cell, cellular, tubular conduit by extruding through no-land die and restricting foaming action until the conduit has been extruded. The resultant conduit can be made either uni-layer or multiple layer, with or without reinforcing with any of the layers foamed to produce an extremely flexible hose at a wide temperature range and having great resistance to kinking.
    Type: Grant
    Filed: February 16, 1972
    Date of Patent: August 30, 1977
    Assignee: The Gates Rubber Company
    Inventors: Charles D. Higbee, Bennie A. Stevens