Patents by Inventor Leon L. Grognard

Leon L. Grognard 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).

  • Apparatus for the suspension of an aircraft engine cowling
    Patent number: 4555078
    Abstract: An upper pylon element suspended to a flexmount member to be attached to a supporting structure, includes a suspension device having a first hook device arranged to cooperate with an attachment device on a lower pylon element, and a second hook device for suspension of the fan duct, the suspension device having a first operating state in which the first hook device is coupled with the attachment device on the lower pylon element thereby to suspend the lower pylon element to the upper pylon element and a second operating state in which the first and second hook devices are disengaged from the corresponding attachment device; a locking unit arranged when it is operated, to lock the lower pylon element to the core cowl; and a drive unit to actuate the suspension device and the locking unit from one operating state to the other.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: November 26, 1985
    Assignee: Societe Belge d'Exploitation de la Navigation Aerienne (SABENA)
    Inventor: Leon L. Grognard