Patents by Inventor James A. Fernz

James A. Fernz 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).

  • Actuation system for a blocker door in a jet engine nacelle
    Patent number: 4909442
    Abstract: An actuation system for pivoting a blocker door and blocking and redirecting airflow through cascades during thrust reversal of an aircraft. The system is operated when an engine nacelle thrust reverser sleeve assembly is opened and then closed.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: March 20, 1990
    Assignee: The Boeing Company
    Inventor: James A. Fernz
  • Airship telescopic boom
    Patent number: 4792107
    Abstract: An airship telescopic boom adapted for mounting on an airship for securing airship mooring lines when docking the airship. The boom may be used for the handling of a fuel line in the refueling of the airship, transferring of airship supplies and equipment, and similar applications. The boom reduces the requirement for a large ground crew and possible injury to related personnel.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: December 20, 1988
    Assignee: The Boeing Company
    Inventors: James A. Fernz, Claude W. Engelke
  • Vibration isolation device used with a jet engine thrust reverser unit
    Patent number: 4605186
    Abstract: A vibration isolation device connected to a drag arm of a blocker door assembly in a jet engine thrust reverser unit. The isolation device providing for preload, travel and vibration dampening of the drag arm on the blocker door assembly.
    Type: Grant
    Filed: February 16, 1984
    Date of Patent: August 12, 1986
    Assignee: The Boeing Company
    Inventor: James A. Fernz