Patents by Inventor Bernd Hardegen

Bernd Hardegen 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).

  • Material conveying system with a pneumatically or mechanically operated substantially upright conveyor provided with a device for loosening and transporting the material to the upright conveyor
    Patent number: 4362237
    Abstract: A material conveyor system comprises a substantially upright mechanically or pneumatically operated conveyor and a device for loosening material and for feeding the same into the upright conveyor. The device comprises a substantially horizontally extending tubular jib adjustably connected to an upright support frame supporting the upright conveyor. The tubular jib rotatably supports on its outer periphery a material loosening and transporting device comprising a plurality of axially extending circumferentially displaced shovels which feed the loosened material through at least one elongated inlet opening into the interior of the tubular jib through which a conveyor extends which feeds the material in longitudinal direction of the jib into the upright conveyor.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: December 7, 1982
    Assignee: Buehler-Miag GmbH
    Inventors: Adalbert Olsztynski, Bernd Hardegen