Patents by Inventor Andreas GRÄBER

Andreas GRÄBER 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).

  • Helicopter
    Patent number: 10513331
    Abstract: A helicopter has a helicopter body with a longitudinal axis and a rotor head which is driven via the rotor drive axis. The helicopter further has at least two rotor blades held via one rotor blade shaft each. In order to permit higher speeds, a rotor bearing axis of the rotor blade shafts is adjustable perpendicular to a direction of extent of the rotor bearing axis in relation to the rotor drive axis.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: December 24, 2019
    Inventor: Andreas Gräber
  • HELICOPTER
    Publication number: 20170152034
    Abstract: A helicopter has a helicopter body with a longitudinal axis and a rotor head which is driven via the rotor drive axis. The helicopter further has at least two rotor blades held via one rotor blade shaft each. In order to permit higher speeds, a rotor bearing axis of the rotor blade shafts is adjustable perpendicular to a direction of extent of the rotor bearing axis in relation to the rotor drive axis.
    Type: Application
    Filed: May 6, 2015
    Publication date: June 1, 2017
    Inventor: Andreas GRÄBER