Patents by Inventor Wentworth A. Ernst

Wentworth A. Ernst 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).

  • Method of welding aluminum alloys
    Patent number: 4665294
    Abstract: A method of welding together aluminum alloy workpieces of the same aluminum alloy, and comprises disposing a selected alloying metal on the workpiece in the desired weld area, locally heating the workpieces in the weld area to form a localized liquid solution, and solidifying the localized liquid solution to form the weld between the like aluminum alloy workpieces. The selected alloying metal is silicon for aluminum alloys of interest, and a laser is the preferred heating means for effecting the welding.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: May 12, 1987
    Assignee: Westinghouse Electric Corp.
    Inventors: Govind L. Hira, Thaddeus A. Osial, Wentworth A. Ernst