Patents Assigned to Titanium Hearth Technologies, Inc.
  • Modular hearth arrangement for cold hearth refining
    Patent number: 5922273
    Abstract: In the particular embodiment described in the specification, a cold hearth arrangement has a hearth plate forming a floor above the bottom of a melt chamber enclosure and a hearth is removably mounted on the hearth plate. Coolant supply and return lines are connected through the hearth support plate to the bottom of the hearth so that no utility lines are exposed above the floor plate. A mold, which also has water supply and return lines connected to it beneath the floor plate extends through the bottom of the enclosure.
    Type: Grant
    Filed: September 4, 1997
    Date of Patent: July 13, 1999
    Assignee: Titanium Hearth Technologies, Inc.
    Inventors: Joseph A. Knecht, Dana C. King, Richard R. Roth, Alan E. Blackburn