Patents by Inventor Pascal Favre

Pascal Favre 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).

  • Piston, in particular for sampling valve
    Patent number: 7028569
    Abstract: The invention concerns a piston wherein the mobile screw (2) is engaged in the bolt (8) integral with the mobile assembly (1). It is provided with a cylindrical axial housing (10) wherein is engaged the rod (7) integral at its front end with the expander assembly (4). At the end of its front travel, the rod is retained by its flange (19) pressed on the stop (11) such that the expanding ring (5) is compressed by the thrust of the piston body (3) and causes the flexible envelope (6) to expand.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: April 18, 2006
    Inventor: Pascal Favre
  • Piston, in particular for sampling valve
    Publication number: 20030145669
    Abstract: The invention concerns a piston wherein the mobile screw (2) is engaged in the bolt (8) integral with the mobile assembly (1). It is provided with a cylindrical axial housing (10) wherein is engaged the rod (7) integral at its front end with the expander assembly (4). At the end of its front travel, the rod is retained by its flange (19) pressed on the stop (11) such that the expanding ring (5) is compressed by the thrust of the piston body (3) and causes the flexible envelope (6) to expand.
    Type: Application
    Filed: April 8, 2003
    Publication date: August 7, 2003
    Inventor: Pascal Favre