Patents by Inventor Joseph Rau

Joseph Rau 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: 4946023
    Abstract: Apparatus for transferring selected numbers of garment hangers from a downwardly sloping rail onto horizontal rod- or bar-shaped carriers of trolleys which are suspended on and advance along an overhead track has a singularizing device which is adjacent the discharge end of the rail and is operable to permit a selected number of hangers to advance onto the adjacent carrier while the respective trolley is pushed or pulled through a hanger receiving station. The trolleys are advanced by a chain conveyor the motor of which is started in response to signals from sensors denoting that the front end of the trolley has assumed a predetermined position with reference to the receiving station as well as that the conveyor for the trolleys assumes a predetermined position.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: August 7, 1990
    Assignee: Manfred A. Jennewein
    Inventors: Hans Heinold, Joseph Rau