Patents by Inventor Erwin Zaske

Erwin Zaske 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 for suspending a scraper blade for the displacement of material upon a surface
    Patent number: 4465376
    Abstract: A plate-type dryer or like heat-treatment apparatus has a plurality of annular horizontal plates upon which material is treated while a shaft surrounded by these plates carries a plurality of generally radial arms from which scraper blades are suspended. According to the invention, each blade is carried by a hanger which is pivotally mounted on the arm and reaches rearwardly to support the blade, another pivot providing a further degree of freedom ensuring full line contact of the lower edge of the blade with the plate.
    Type: Grant
    Filed: July 8, 1981
    Date of Patent: August 14, 1984
    Assignee: Krauss-Maffei Aktiengesellschaft
    Inventors: Siegfried Baumgartner, Erwin Zaske