Patents by Inventor Michel Laurent Villeneuve

Michel Laurent Villeneuve 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).

  • Hydrodynamic magnetic seal
    Patent number: 8474826
    Abstract: A hydrodynamic magnetic seal includes a magnetic mating ring and a sealing ring attracted to the magnetic mating ring. The magnetic mating ring and/or the sealing ring include hydrodynamic grooves configured to create a separation film between the magnetic mating ring and the sealing ring to reduce friction.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: July 2, 2013
    Assignee: Eaton Corporation
    Inventors: Michel Laurent Villeneuve, Xiaoqing Zheng