Patents by Inventor Mario Sprickmann

Mario Sprickmann 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 and apparatus for two-coat one-fire electrophoretic enameling of a metallic work piece
    Patent number: 5855754
    Abstract: A method and apparatus for two-coat one-fire electrophoretic enameling of a work piece made of metal, wherein a first undercoat enamel slip deposit bath is followed by at least one excess slip removing bath before the undercoated work piece is submerged in a process bath including an additive for reducing the electrical resistance of the enamel biscuit followed sequentially by another rinsing bath, a finish enamel coating bath and not less than one final rinsing bath before the coated work piece is subjected to an enamel firing step.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: January 5, 1999
    Assignee: Miele & Cie. GmbH & Co.
    Inventors: Karl Wiengarten, Mario Sprickmann