Patents by Inventor Ralph E. Lambert

Ralph E. Lambert 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 peening the inside of a small diameter tube
    Patent number: 4481802
    Abstract: A method for peening a portion of the inside of a small diameter heat exchanger tube by inserting a rotating shaft having a peening strip affixed thereto, orbiting and reciprocating the shaft as it rotates, and maintaining this operation for a predetermined length of time to relieve residual tensile stresses in a portion of a tube installed in a heat exchanger.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: November 13, 1984
    Assignee: Westinghouse Electric Corp.
    Inventors: Douglas G. Harman, Ralph E. Lambert
  • Apparatus for measuring surface scratches on a tube
    Patent number: 4290303
    Abstract: A cantilevered leaf spring with strain gages on the top and bottom surfaces and a phonograph needle disposed on the free end is disposed in a split tubular base which fits over a long tube to measure the depth of scratches in the outer surface of a long tube.
    Type: Grant
    Filed: July 3, 1979
    Date of Patent: September 22, 1981
    Assignee: Westinghouse Electric Corp.
    Inventors: Douglas G. Harman, Ralph E. Lambert, George W. Gruber