Patents by Inventor Marie-Helene Pierre

Marie-Helene Pierre 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: 5417416
    Abstract: An apparatus and method for slowing down signatures sent to a quarter fold of a folder for a printing machine are disclosed. Signatures are transported between a first set of fast belts including upper belts and lower belts. The signatures are then received at their leading edge by an assembly of upper and lower partial pulleys mounted to a frame which changes the speed of the signatures to a slow speed. The signatures are then received at their leading edge by a second set of slow belts including upper belts and lower belts.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: May 23, 1995
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Jean-Claude Marmin, Marie-Helene Pierre, Andre Reponty