Patents by Inventor Lakis T. Mavropoulos

Lakis T. Mavropoulos 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).

  • Reactive spray forming process
    Patent number: 5217747
    Abstract: A reactive spray forming process comprises generating a molten spray of metal, and reacting such molten spray of metal in flight with a surrounding hot metal halide gas to form a desirable alloy, intermetallic or composite product. The molten spray of metal may be directed towards a cooled substrate and the alloy, intermetallic or composite product collected and solidified on the substrate.
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: June 8, 1993
    Assignee: Noranda Inc.
    Inventors: Peter G. Tsantrizos, Lakis T. Mavropoulos, Boulos Maher, Jerzy Jurewicz, Bruce Henshaw, Raynald Lachance, Kaiyi Chen
  • Tantalum carbide composite materials
    Patent number: 5196273
    Abstract: A tantalum carbide composite material comprises a tantalum carbide preform infiltrated with a low melting temperature metal selected from aluminum, copper, various alloys of either aluminum or copper, gold and silver.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: March 23, 1993
    Assignee: Noranda Inc.
    Inventors: Peter Tsantrizos, Lakis T. Mavropoulos, Kartik Shanker, Robin A. L. Drew, Bruce Henshaw, Raynald Lachance
  • High enthalpy plasma torch
    Patent number: 5147998
    Abstract: A plasma torch comprises a torch housing, rear and front tubular electrodes coaxially mounted within such housing with a gap therebetween, both electrodes being fabricated from copper having tubular inserts of refractory material, a vortex generator for introducing a tangential flow of gas in opposite direction into the tubular electrodes through the gap between the two electrodes, and a cooling system for cooling the tubular electrodes.
    Type: Grant
    Filed: May 29, 1991
    Date of Patent: September 15, 1992
    Assignee: Noranda Inc.
    Inventors: Peter Tsantrizos, Raynald Lachance, Bruce Hehshaw, Lakis T. Mavropoulos