Patents by Inventor Peter Stelck

Peter Stelck 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).

  • Supplementary jib for a floating crane having a derricking main jib
    Patent number: 4078666
    Abstract: A supplementary jib for a floating crane having a derricking main jib is racterized in that the hinge (bearing) of the supplementary jib is located in proximity or coincides with the hinge of the main jib. The main jib is incorporated in the crane system by virtue of compression struts and guy ropes meeting at the head of the main jib.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: March 14, 1978
    Assignee: Howaldtswerke-Deutsche Werft Aktiengesellschaft Hamburg und Kiel
    Inventors: Hans Kather, Gerhard Kuhl, Peter Stelck