Patents by Inventor Philip E. Roper

Philip E. Roper 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).

  • Fusion welding of aluminum alloys
    Patent number: 4564743
    Abstract: A method for fusion welding together two portions of a parent metal comprised by an aluminum alloy includes the steps of surface abrading the two portions in at least the region of their mutual interface and intended weld zones, applying to each abraded surface a hot-sprayed coating comprised by a metal having a lower electrochemical potential than the parent metal, abutting the two coated portions at the mutual interface, and fusing them together by fusion welding.
    Type: Grant
    Filed: August 23, 1983
    Date of Patent: January 14, 1986
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Stuart S. Birley, Philip E. Roper