Patents by Inventor Karl Wiengarten

Karl Wiengarten 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).

  • COOKING APPLIANCE COMPONENT AND METHOD FOR PRODUCING A COOKING APPLIANCE COMPONENT
    Publication number: 20160146472
    Abstract: A cooking appliance component includes a cooking chamber for carrying out pyrolysis and a component wall that delimits the cooking appliance component at least in part. The component wall includes a metal substrate having an enamel coating applied thereto at least in part, and at least one surface portion free of the enamel coating so as to be electrically conductive for making electrical contact with the metal substrate. The metal substrate, at least in part, is a steel that is heat-resistant and at least one of austenitic or ferritic.
    Type: Application
    Filed: November 20, 2015
    Publication date: May 26, 2016
    Inventors: Karl Wiengarten, Joerg Neumann
  • 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