Patents by Inventor Claude D. Bocoviz

Claude D. Bocoviz 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).

  • Flow-straightener vane made of composite, flow-straightener including it, for a counter-torque device with ducted rotor and ducted flow-straightening stator, and method for manufacturing them
    Patent number: 5605440
    Abstract: The composite vane is moulded by injecting resin into a preform of layers of reinforcing fibres according to the RTM method. The skins of its main vane section as well as of its root and tip via which it is connected to the flow-straightener central body and to part of the duct are laminated with a pile of at least three layers of reinforcing fibres, and complementary piles at the root and tip exhibit at least one fastening tab. The central body is made of metal or composite and the composite vanes are interchangeable, or the vanes and the central body are injection-moulded as a single piece using the RTM method.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: February 25, 1997
    Assignee: Eurocopter France
    Inventors: Claude D. Bocoviz, Andre Gautier, Henri F. Barquet