Patents by Inventor Laurence Piketty-Leydier

Laurence Piketty-Leydier 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).

  • Process and system for protecting an oxidizable material against oxidation
    Patent number: 5498760
    Abstract: Process and system for protecting an oxidizable material against oxidation.The process according to the invention consists of forming a gas-permeable body (1) having open pores (28), a first surface (2) intended to come into contact with an oxidizing gaseous flow (4) liable to oxidize the body and a second surface (6) opposite to the first surface and injecting an oxygen-free protective gas (8) through the second surface (6) leading to disturbances in the material giving it a protection against oxidation.
    Type: Grant
    Filed: November 2, 1993
    Date of Patent: March 12, 1996
    Assignee: Aerospatiale Societe Nationale Industrielle
    Inventors: Laurence Piketty-Leydier, Jean-Marc Dorvaux, Gerard Rousseau