Patents by Inventor James Clement Dean

James Clement Dean 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).

  • Retractable collective pitch stick
    Patent number: 3936015
    Abstract: Telescoping collective pitch stick assembly with a locking mechanism for securing extended position and permitting retraction of the stick to facilitate ingress and egress of a pilot from his seat in a helicopter. The locking mechanism has an index pin and cam arrangement having a slot with three interconnected areas.
    Type: Grant
    Filed: June 28, 1974
    Date of Patent: February 3, 1976
    Assignee: United Technologies Corporation
    Inventor: James Clement Dean