Patents by Inventor Jean-Francois Guilbert

Jean-Francois Guilbert 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).

  • Molecular drag pump
    Patent number: 6186749
    Abstract: A molecular drag pump comprising a rotor housed inside a case having a suction inlet and a delivery outlet, said pump being associated at its inlet with a valve comprising a valve mechanism inside a valve envelope, wherein the valve envelope is integral with said pump case.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: February 13, 2001
    Assignee: Alcatel
    Inventors: André Bouille, Jean-Francois Guilbert