Patents by Inventor Tony Leung Wong

Tony Leung Wong 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).

  • Surfacing of aluminum bodies by anodic spark deposition
    Patent number: 6245436
    Abstract: Aluminum or aluminum alloy bodies, such as cast fuel pump bodies, are subjected to anodic spark deposition under deposition conditions in an electrolyte effective to form an surface layer that is enriched in alpha alumina to improve surface hardness and that includes a substantially uniform distribution of lubricant-retaining, nanosize surface pores.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: June 12, 2001
    Inventors: David Boyle, David Robert Collins, Oludele Olusegun Popoola, Paul Earl Pergande, Tony Leung Wong