Patents by Inventor Johann A. Raabe

Johann A. Raabe 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: 4000822
    Abstract: An apparatus for reclaiming material from a blending bed, storage bed or the like, comprises a movable bridge, a unitary rotatable means secured to the bridge for loosening material from a face of the bed and moving the loosened material across the face of the bed as a function of the rotation of said unitary means, the material so moved being discharged down a side of the bed abutting the face of the bed, and means adjacent the side of the bed for collecting and conveying the discharged material.
    Type: Grant
    Filed: April 23, 1975
    Date of Patent: January 4, 1977
    Assignee: International Handling B.V.
    Inventor: Johann A. Raabe