Patents by Inventor Otto Wimmer

Otto Wimmer 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).

  • Centrifuge
    Patent number: 4468215
    Abstract: Centrifuge and in particular a tubular conifuge for the purification of liquids and for the concentration of sludge, the centrifuge consists of two drum halves and one axially displaceable tube or shell connecting the drum halves, with axial introduction of the material to be treated. At least part of one of the drum halves is axially displaceable during the run of the centrifuge for the purpose of reducing the inner drum space.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: August 28, 1984
    Inventor: Otto Wimmer