Patents by Inventor Sam D. Nehemy

Sam D. Nehemy 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: 4128379
    Abstract: Apparatus for processing extruded thermoplastic material by advancing a hollow extrudate from the die member of an extruder through auxiliary equipment followed by stress relieving the extrudate through a mesh guide means, wherein the initial portion is heated while the subsequent portion is cooled by passing it through the mesh guide which may be contained in a temperature controlled water bath.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: December 5, 1978
    Assignee: The B. F. Goodrich Company
    Inventors: Joachim E. Hartitz, Sam D. Nehemy, Erwin R. Wahl