Patents by Inventor Jean-Marc Poncet

Jean-Marc Poncet 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).

  • Secondary pump unit
    Patent number: 5720174
    Abstract: A secondary pump unit comprising a mechanical secondary pump and a cryogenic trap, wherein the cryogenic trap forms a ring surrounding the outside of the mechanical secondary pump at its intake end, and the trap is enclosed in a casing defining, in parallel, the intake opening of the mechanical pump and of the cryogenic trap.
    Type: Grant
    Filed: October 3, 1996
    Date of Patent: February 24, 1998
    Assignee: Alcatel Cit
    Inventors: Guy Gorinas, Rainer Mathes, Alain Ravex, Jean-Marc Poncet