Patents by Inventor Bruno Diethelm

Bruno Diethelm 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: 5267765
    Abstract: In order to release the load the load hook of the apparatus is pivotable downwards. The stop pawl located in the mouth of the load hook is form-closed arrestable. The load hook is freely rotatable relative to the load rope around the axis of the load rope and is spring elastically supported in the load rope axis. The apparatus is specifically suitable for use with helicopters.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: December 7, 1993
    Assignee: Schweizerische Eidgenossenschaft represented by Eidgenossische Flugzeugwerk
    Inventors: Bruno Diethelm, Mathias Reichmuth