Patents by Inventor Warren P. Crossley

Warren P. Crossley 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).

  • Extensible-retractable wing
    Patent number: 3980257
    Abstract: Two wing semi-spans of unitary construction are mounted on an aircraft fuage. Screwjacks mounted in the fuselage extend and retract each semi-span while maintaining the wing sweep angles constant. Pivoting struts and carriage blocks are employed to support the extensible semi-spans. Rollers connected to the carriage blocks are constrained to follow tracks mounted in the fuselage, providing support at the inboard end of each semi-span.
    Type: Grant
    Filed: August 16, 1974
    Date of Patent: September 14, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Leland C. Koch, Warren P. Crossley, Donald M. Scheller