Patents by Inventor Yannick A. Le Neve

Yannick A. Le Neve 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).

  • Patent number: 5538649
    Abstract: A composition of matter for use in tribological applications, such as in mechanical seals, bearings and other sliding or rubbing components, which provides good durability and wear characteristics. The material is used in the "softer" one of two relatively sliding members which are in, or may come into, contact with each other during the relative rotation of one of the member s relative to the other. The material is a carbon or carbonaceous formed material, such as is normally used in the manufacture of a primary seal ring in a mechanical seal, and comprises an additive compound which contains at least one compound from a group consisting of neodymium fluoride, praseodymium fluoride, gadolinium fluoride and lanthanum fluoride.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: July 23, 1996
    Assignee: John Crane Inc.
    Inventors: Joseph F. Demendi, Philippe R. Malle, Yannick A. Le Neve, Xin Chen, William R. Clemens