Patents by Inventor C. Rande Vause

C. Rande Vause 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).

  • Acoustically swept rotor
    Patent number: 4168939
    Abstract: Impulsive noise reduction is provided in a rotor blade by "acoustically sweeping" the chord line from root to tip so that the acoustic radiation resulting from the summation of potential singularities used to model the flow about the blade tend to cancel for all times at an observation point in the acoustic far field.
    Type: Grant
    Filed: September 8, 1977
    Date of Patent: September 25, 1979
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Fredric H. Schmitz, Donald A. Boxwell, C. Rande Vause