Patents by Inventor Dieter Markau

Dieter Markau 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).

  • Mouth douche
    Patent number: 4442830
    Abstract: A mouth douche including a water reservoir, a water pump and a nozzle insertable into the oral cavity is provided with a detachable power unit operable by a preferably rechargeable battery. The power unit advantageously is the body of an electric toothbrush insertable upside down, without its bristle-carrying head, into the base of the mouth douche for operative coupling of its shaft with the water pump.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: April 17, 1984
    Assignee: Gimelli + Co. AG
    Inventor: Dieter Markau