Patents by Inventor Ernst Trondle

Ernst Trondle 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).

  • Patent number: 5034035
    Abstract: Arranged in the upper region of a drum which rotates about an axis there is a dust box for dust removal. The box is connected with a line, which leads outwards, by way of a laterally arranged discharge channel. Arranged between the dust box and a baffle rotor which rotates about the axis are baffle areas which form labyrinth-like passages for the dust to the dust suction openings in the dust box.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: July 23, 1991
    Assignee: George Fischer AG
    Inventors: Franz Satmer, Ernst Trondle