Patents by Inventor Woldgang LAST

Woldgang LAST 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).

  • Stirrer Apparatus and Method for Mixing
    Publication number: 20220331758
    Abstract: A stirrer apparatus, in particular for a usage in crystallizers, comprises a stirrer shaft, with at least one first blade element, which is held at the stirrer shaft and is configured for a mixing of at least one material that is to be mixed, and comprises at least one second blade element, which is held at the stirrer shaft and is configured to keep at least a proximity around the stirrer shaft free from material deposit and/or encrustations, wherein the stirrer apparatus further comprises at least one stirring blade with a front side and a rear side, which comprises the first blade element and the second blade element.
    Type: Application
    Filed: September 11, 2020
    Publication date: October 20, 2022
    Inventors: Andreas ENZ, Wolfgang KELLER, Werner HIMMELSBACH, Woldgang LAST