Patents by Inventor Georg Plester

Georg Plester 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).

  • Storage vessel for beverage concentrates for use in beverage dispensers
    Patent number: 4971231
    Abstract: An apparatus for the metered dispensing of beverage concentrate includes a storage container with a discharge opening and a dosing chamber assembly attached to the discharge opening. The dosing chamber assembly includes a chamber housing with an input opening communicating with the discharge opening of the container, an output opening and a sliding control valve displaceable in the chamber to alternately open and close the input and output openings of the chamber housing. The container includes an outer rigid shell and a flexible foil bag therein which varies in volume with pressure changes therein.
    Type: Grant
    Filed: May 3, 1988
    Date of Patent: November 20, 1990
    Inventors: Karlheinz Faerber, Anton Deininger, Rolf Preuss, Georg Plester, Georg Troska, Manfred Guenther