Patents by Inventor Karl-Heinz Geiger

Karl-Heinz Geiger 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).

  • Device and method for the electrophoretic separation of macromolecules
    Patent number: 4995957
    Abstract: An electrophoretic separation apparatus suitable for the separation of macromolecules is provided. Electrode elements are provided for generating an electric field for acting on a specimen. Rotating elements are provided for rotating the electrode elements with respect to the specimen. Using this invention, the orientation of the electric field between the electrodes is changed by the rotation of the electrode elements. This arrangement provides a high separating efficiency in a short period of operation. A method for electrophoretic separation of macromolecules is also provided.
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: February 26, 1991
    Inventors: Andreas Ziegler, Karl-Heinz Geiger