Patents by Inventor Charles P. Hardy

Charles P. Hardy 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).

  • Clad metal electrode
    Patent number: 4958060
    Abstract: A clad metal electrode having a core, a sleeve and a consolidated metal powder therebetween bonding the sleeve to the core. The clad metal electrode is particularly useful with an iron rod core and compressed nickel powder between the iron rod and the nickel sleeve. The resultant clad welding rod permits higher operating amperages during welding operations.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: September 18, 1990
    Assignee: Inco Alloys International, Inc.
    Inventors: William L. Mankins, David O. Gothard, Charles P. Hardy
  • Method for making a clad metal product
    Patent number: 4933141
    Abstract: A process for producing clad products that utilizes wrought or cast components eliminating the need for costly metal powders and a can to contain them. A sleeve circumscribes a core leaving a space therebetween. Powder is introduced into the space and is sealed therein. The resultant billet is extruded generating a clean metallurgical bond between the core and the sleeve. The space need not be evacuated prior to heating the billet. Resultant clad welding rod permits higher operating amperages.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: June 12, 1990
    Assignee: INCO Alloys International, Inc.
    Inventors: William L. Mankins, David O. Gothard, Charles P. Hardy