Patents by Inventor Norbert Dickel

Norbert Dickel 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).

  • Patent number: 4863302
    Abstract: A spray arrangement, particularly a brush-like body-cleaning and/or massage device, particularly a toothbrush (1) with at least a nozzle body (10') may be coupled to a hollow handle which is connectable by a hose to a water faucet. Nozzle body (10') is preferably a fluidic oscillator without moving parts. The hollow handle may receive into a metering cartridge a rod of a slow-to-dissolve active substance. The handle is provided with a removable elongated cap whose forward end may be coupled securely irrotationally with tube (5) of the cleaning brush. Moreover, the cap includes a manually actuatable water valve which is manually displaceable into the open position against a spring force and/or opposing water pressure. The water valve is preferably formed as a multi-step slide valve piston (68) with a conical shut-off member (72).
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: September 5, 1989
    Assignee: Thorwarth & Grebe OHG
    Inventors: Ronald Herzfeld, Karl Wydra, Herbert Grebe, Fritz Dickel, Ronald Dickel, Norbert Dickel