Patents by Inventor Albert Bucher

Albert Bucher 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).

  • Vertical centrifuge
    Patent number: 4014497
    Abstract: A vertical centrifuge comprises a housing provided with a cover. A centrifuge drum is arranged to be rotatable in the housing and has an upper feed opening and a lower discharge opening. A shield is arranged above the discharge opening and comprises a screening wall which covers only a part of the circumference of the discharge opening and is carried and can be displaced by means of a shaft mounted in a holding arrangement and passing through the cover. The holding arrangement comprises means for the rotation of the shaft.
    Type: Grant
    Filed: April 13, 1976
    Date of Patent: March 29, 1977
    Assignee: Escher Wyss Limited
    Inventors: Leonhard Spiewok, Albert Bucher
  • Clearing centrifuge
    Patent number: 3970244
    Abstract: Clearing centrifuge having an inlet tube for filling the centrifuge drum; said inlet tube extending into said drum and comprising at least two outlet apertures for the material to be centrifuged; the improvement that said inlet tube comprises two or more tube parts which are arranged at least partly in one another and are adapted to be adjusted relatively to one another, and that two of said tube parts each comprise, or jointly form, one of said outlet apertures.
    Type: Grant
    Filed: June 10, 1974
    Date of Patent: July 20, 1976
    Assignee: Escher Wyss Limited
    Inventor: Albert Bucher