Patents by Inventor Karl-Heinz Odendahl

Karl-Heinz Odendahl 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 for operating a dishwashing machine and maintaining the active oxygen content in the wash tank
    Patent number: 5288331
    Abstract: A dishwashing machine includes a washing tank for receiving wash water, and a detergent from a detergent dispensing system. A separate dosing system includes a tank for storing bleach, and a pump for supplying bleach from the bleach tank to the washing tank in measured quantities at predetermined times to maintain a desired active oxygen content therein over a complete cycle of operation.
    Type: Grant
    Filed: February 18, 1992
    Date of Patent: February 22, 1994
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Friedel Rings, Karl-Heinz Odendahl, Horst Pruehs