Patents by Inventor Gérard Jean Lavigne

Gérard Jean Lavigne 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).

  • Retaining arrangement for a bearing, in particular for a high pressure compressor shaft
    Patent number: 6338578
    Abstract: A retaining arrangement is provided for retaining a bearing around a stub shaft having a machined cavity and which includes a ring forming a stop for the bearing nut and a locking piece.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: January 15, 2002
    Assignee: Societe Nationale d'etude et de Construction de Moteurs d'Aviation “Snecma”
    Inventors: Danielle Christiane Roberte Adde, Jean-Louis Bertrand, Gérard Jean Lavigne, Olivier Richard Lefebvre