Patents by Inventor Hans W. Both

Hans W. Both 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).

  • Spray absorber and method of operating
    Patent number: 4762538
    Abstract: A spray absorber in which a rotary sprayer is centrally disposed adjacent to the top is provided with a cover cap which is adapted to be raised and is laterally pivotally movable and adapted to close the shaft opening for the rotary sprayer when the latter must be replaced without an interruption of the gas flow.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: August 9, 1988
    Assignee: Metallgesellschaft AG
    Inventors: Wilhelm Michler, Hans W. Both, Rolf Keppler