Patents by Inventor Friedrich W. Stork

Friedrich W. Stork 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).

  • Washing machine or washing drying machine with devices to avoid losses of washing agent
    Patent number: 4821537
    Abstract: A washing machine which includes a wash tub for receiving water and articles to be washed, a drain connected to the wash tub, a float disposed within the drain, a drain water reservoir for receiving and storing water removed from the wash tub through the drain and for providing back pressure on the float, and a pump for pumping water from the wash tub, through the drain, and into the drain water reservoir.
    Type: Grant
    Filed: June 3, 1987
    Date of Patent: April 18, 1989
    Assignee: Miele & Cie. GmbH & Co.
    Inventors: Peter Zinkann, Wilfried Huttemann, Hans Fey, Friedrich W. Stork, Rudolf Herden, Wilfried Schultz