Patents by Inventor Robert C. Lock

Robert C. Lock 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).

  • Supercritical aerofoils
    Patent number: 4072282
    Abstract: A supercritical aerofoil having a large leading edge radius of curvature, a radius of curvature over substantially the whole upper surface appreciably higher than the mean radius over the front half of the lower surface, a concave surface to the rear half of the lower surface, and a thickness/chord ratio of 10- 14%.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: February 7, 1978
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: John L. Fulker, David J. Hall, Robert C. Lock