Patents by Inventor Hans Letzring

Hans Letzring 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).

  • Publication number: 20050003082
    Abstract: The method of the present invention includes the steps of (a) optionally, applying a pretreatment composition to the substrate; (b) optionally, applying a conductive, weldable coating composition to the substrate; (c) optionally, coalescing the conductive, weldable coating composition to form a substantially continuous conductive coating; (d) applying a rinse composition to the substrate, the rinse composition including a surface energy modifying compound; (e) applying a powder coating composition to the rinse composition; (f) heating the powder coating composition to melt and level the powder coating composition to form a substantially continuous powder coating; (g) optionally, applying a clear coating composition over the powder coating; and (h) heating the substrate to coalesce and, optionally, crosslink the coating.
    Type: Application
    Filed: January 29, 2004
    Publication date: January 6, 2005
    Inventors: Robert Roelofs, Hans Letzring