Patents by Inventor George Apostolou

George Apostolou 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).

  • Railroad crossing spacers
    Patent number: 6431462
    Abstract: A concrete gauge panel spans the gap between two parallel railroad tracks. Two concrete field panels lead from the roadway surface to the railroad tracks, one panel on each side of the railroad tracks. A spacer sits between the concrete of the concrete field and gauge panels and the railroad tracks. The spacer is affixed to the panels in a way that allows the spacer to be removed and replaced without replacing the entire panel.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: August 13, 2002
    Assignee: Omega Industries, Inc.
    Inventors: George Apostolou, Isidoros Garifalakis, Adolfo Bella
  • Process and apparatus for top-feed casting of metals
    Patent number: 4732209
    Abstract: Metals are continuously cast in an ingot mould having a feeder head disposed thereabove. An isolating ring disposed around the lower portion of the feeder head forms an annular chamber which is maintained under an inert gas pressure throughout the duration of the casting operation by a conduit which is in communication with a source of inert gas.
    Type: Grant
    Filed: July 28, 1986
    Date of Patent: March 22, 1988
    Assignee: Aluminium Pechiney
    Inventors: Georges Apostolou, Sotiris Armaos