Patents Assigned to John F. Wolpert
  • Method for providing metallurgically bonded thermally sprayed coatings
    Patent number: 5268045
    Abstract: Metallurgical bonded thermally sprayed coatings of exceptional bond strength are provided by a metal surface, prior to thermal spray coating, being electrochemically cleaned, or more desirably being electrochemically cleaned and electrochemically metallized, prior to overlaying with a thermal spray deposited metal coating with after depositing the thermal spray coating proceeding with a post heat treatment.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: December 7, 1993
    Assignee: John F. Wolpert
    Inventor: James H. Clare