Patents by Inventor Nicholas J. Wall

Nicholas J. Wall 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).

  • Thermal spraying of stainless steel
    Patent number: 5069937
    Abstract: A method of preparing a roughened substrate surface for subsequent coating with a fluorocarbon polymer in a liquid medium. The surface of the substrate is thermally sprayed with a stainless steel alloy containing from 25 to 35 percent by weight of chromium. A metal-coated substrate produced by this method and an article having thereon a fluorocarbon surface coated by this method are also described.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: December 3, 1991
    Assignee: Whitford Plastics Limited
    Inventor: Nicholas J. Wall