Patents by Inventor Dietmar Schonfelder

Dietmar Schonfelder 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).

  • Wing construction for surface effect vehicle
    Patent number: 4159086
    Abstract: A surface vehicle has two wings, which are hinged to a wing core along axes extending along the wing center axis, to change the angle of attack, so that the trailing wing edges as extending towards the rear in converging configuration remain in a common plane and close the plenum chamber with reference to the (hypothetical) mirror image of the wing construction.
    Type: Grant
    Filed: August 6, 1975
    Date of Patent: June 26, 1979
    Assignee: Rhein-Flugzeugbau GmbH
    Inventor: Dietmar Schonfelder