Patents by Inventor Calvin C. Lowery

Calvin C. Lowery 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).

  • Aluminum brazing method
    Patent number: 3979043
    Abstract: An improved method for brazing aluminum and alloys of aluminum in which at least one of the surfaces to be joined is coated with a controlled quantity of metallic manganese which is effective during the high temperature vacuum brazing operation to promote a wetting and flow of the brazing filler metal between the surfaces to be joined and a penetration of the tenacious aluminum oxide film thereon, thereby producing a substantially uniform and high strength bond.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: September 7, 1976
    Assignee: Wall Colmonoy Corporation
    Inventor: Calvin C. Lowery