Patents by Inventor Andreas Gr{umlaut over (u)}nder

Andreas Gr{umlaut over (u)}nder 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).

  • Volumetric batch dosing device
    Patent number: 6170718
    Abstract: A volumetric dosing system for bulk material utilizes a telescoping measuring container in which the upper portion carries the upper limit sensor for the height of the bulk material in the container and extends into the lower container below the level of the bulk material therein. Upper and lower closures are controlled by this sensor and another sensor detecting the system. The unit is disposed between a mixer and a silo.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: January 9, 2001
    Inventors: Axel Ziegler, Andreas Gr{umlaut over (u)}nder