Patents by Inventor Andrew G. Keyser

Andrew G. Keyser 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).

  • Thrust reverser assembly
    Patent number: 5082209
    Abstract: Ports through the wall of the exhaust duct and the wall of the surrounding cooling air duct, connect the exhaust duct and reverse thrust ducts. Door sets seal these ports. The door sets are contrarotated around the exhaust duct providing a symmetrical opening of the ports.
    Type: Grant
    Filed: March 1, 1991
    Date of Patent: January 21, 1992
    Assignee: United Technologies Corporation
    Inventor: Andrew G. Keyser