Patents by Inventor Ernst Berkhan

Ernst Berkhan 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).

  • Method for mixing liquid media having different specific weights
    Patent number: 5468067
    Abstract: Method for mixing a plurality of specimens having different specific weights in an intermittent mixer with a receiving rotor which method includes filling partially at least one elongate container with the specimens, sealing the at least one elongate container, placing the at least one container in the intermittent mixer such that the bottom end of the at least one container contacts the receiving rotor, and rotating the at least one container with a vertical axle while the container is inclined such that the horizontal distance from the bottom end of the at least one container to the rotary axle is less than the distance from the top end of the container to the axle.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: November 21, 1995
    Assignee: Desaga GmbH
    Inventors: Ernst Berkhan, Hubert Muth