Patents by Inventor Richard D. Devellian

Richard D. Devellian 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).

  • Heat pipe manifold system
    Patent number: 4500279
    Abstract: A hot manifold system for use in the injection molding of plastics is disclosed wherein runner channel heating is accomplished by heat pipes disposed within the manifold adjacent to the runner channels contained therein. The manifold system is an elongated structure having a heat receiving portion and a runner containing portion such that heat input may be applied to the heat receiving portion at an accessible location relative to the mold and conveyed to the remainder of the manifold for uniform heating thereof by the heat pipes.
    Type: Grant
    Filed: July 6, 1983
    Date of Patent: February 19, 1985
    Assignee: Kona Corporation
    Inventors: Richard D. Devellian, Paul M. Swenson
  • Injection molding nozzle
    Patent number: 4389002
    Abstract: An extruder barrel of a thermoplastic molding machine connected to an injection molding nozzle provided with a plurality of heat pipes distributed around the central bore of the nozzle, each of the heat pipes deriving its thermal input from the extruder barrel itself.
    Type: Grant
    Filed: February 7, 1980
    Date of Patent: June 21, 1983
    Assignee: Kona Corporation
    Inventors: Richard D. Devellian, Paul M. Swenson