Patents by Inventor Eberhard Schuffert

Eberhard Schuffert 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).

  • Ring lift crane
    Patent number: 6679394
    Abstract: The invention is directed to a ring lift crane with a liftable ring forming a circular traveling path and having a plurality of segments which can be connected to one another. Within the ring, there is arranged a chassis having a superstructure which is connected with the chassis so as to be rotatable and which has a plurality of winches. The superstructure is provided with an adapter in each of two oppositely located end areas, and the adapters are supported in a rolling manner on the circular traveling path of the ring by rollers which are arranged in the end area of the adapters.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: January 20, 2004
    Assignee: Demag Mobile Cranes GmbH & Co., KG
    Inventors: Eberhard Schuffert, Rüdiger Zollondz
  • Ring lift crane
    Publication number: 20030029826
    Abstract: The invention is directed to a ring lift crane with a liftable ring forming a circular traveling path and having a plurality of segments which can be connected to one another. Within the ring, there is arranged a chassis having a superstructure which is connected with the chassis so as to be rotatable and which has a plurality of winches. The superstructure is provided with an adapter in each of two oppositely located end areas, and the adapters are supported in a rolling manner on the circular traveling path of the ring by rollers which are arranged in the end area of the adapters.
    Type: Application
    Filed: June 24, 2002
    Publication date: February 13, 2003
    Inventors: Eberhard Schuffert, Rudiger Zollondz