Patents by Inventor Robert L. McClain

Robert L. McClain 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: 4489876
    Abstract: A compression mold includes punch and cavity components fabricated from initially flat sheets of relatively thin metal. The sheets of each component are shaped, assembled and joined to provide box-like components defining mating mold surfaces yielding molded parts which may be straight or laterally and/or vertically curved. The hollow interior of the two components allows for the circulation therethrough of an appropriate heat transfer medium to permit molding of either thermosetting or thermoplastic compounds.
    Type: Grant
    Filed: March 29, 1983
    Date of Patent: December 25, 1984
    Assignee: Kidde Recreation Products, Inc.
    Inventors: Leonard S. Meyer, Michael J. Murray, Gerald G. Hayes, Robert L. McClain
  • Patent number: 4390156
    Abstract: A compression mold includes punch and cavity components fabricated from initially flat sheets of relatively thin metal. The sheets of each component are shaped, assembled and joined to provide box-like components defining mating mold surfaces yielding molded parts which may be straight or laterally and/or vertically curved. The hollow interior of the two components allows for the circulation therethrough of an appropriate heat transfer medium to permit molding of either thermosetting or thermoplastic compounds.
    Type: Grant
    Filed: January 23, 1981
    Date of Patent: June 28, 1983
    Assignee: Victor United, Inc.
    Inventors: Leonard S. Meyer, Michael J. Murray, Gerald G. Hayes, Robert L. McClain