Patents by Inventor Juergen Roehrdanz

Juergen Roehrdanz 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: 5887820
    Abstract: A wheel-type landing gear is disclosed for helicopters with fastening measures on the helicopter which permit a receiving of the wheel-type landing gear on the craft at fittings provided for the fastening of skid-type landing gear without any additional support. The possibility of retrofitting and/or backfitting the helicopter is provided. The main wheels are fastened on rocker arms so that the wheel contact point is situated clearly behind the rearward landing gear fittings.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: March 30, 1999
    Assignee: Daimler-Benz AG
    Inventors: Juergen Roehrdanz, Wolfgang Fischer