Patents by Inventor John S. Borges

John S. Borges 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).

  • Composite torque tube captured end fitting
    Patent number: 7419435
    Abstract: A torque tube assembly includes a hollow composite member and an end fitting. The composite member has at least one end portion divided into a forward section and an aft section. The forward section is disposed adjacent a free end of the composite member. Each one of the forward and aft sections has at least one lobe extending radially outwardly along a lobe axis. The lobe axis of the forward section is preferably angularly offset from the lobe axis of the aft section. The end fitting is formed complementary to the composite member and is at least partially enclosed by the forward and aft sections.
    Type: Grant
    Filed: March 9, 2006
    Date of Patent: September 2, 2008
    Assignee: Northrop Grumman Corporation
    Inventors: John S. Borges, Vail R. Trevisanut, David R. Scarr