Patents by Inventor Paul J. Tousignant

Paul J. Tousignant 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).

  • Melting of reactive metallic materials
    Patent number: 6004368
    Abstract: Method and apparatus for melting reactive metallic materials, such as for example titanium base alloys and other reactive alloys, by selective and sequential induction heating of a plurality of solid alloy charge components segregated in a refractory melting vessel in a manner to effect rapid top-to-bottom melting that avoids harmful reaction of the melt with refractory melting vessel material and contamination of the melt.
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: December 21, 1999
    Assignee: Hitchiner Manufacturing Co., Inc.
    Inventors: George D. Chandley, Ronald E. Erickson, Paul J. Tousignant