Patents by Inventor Jean-Pierre Guichard

Jean-Pierre Guichard 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).

  • Method for producing drip irrigation pipes
    Patent number: 8454786
    Abstract: In a method for producing drip irrigation pipes, a tube body is extruded from a thermoplastic synthetic material and provided with a wall. The tube body is led directly and in non-contact fashion to a pre-cooling chamber in which the tube body is pre-cooled and in which metering elements are pressed on to the wall and connected to the wall. The tube body is sized to a final diameter and further cooled in a cooling chamber.
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: June 4, 2013
    Assignee: The Machines Yvonand SA
    Inventors: Jean-Pierre Guichard, Jean-Luc Vagnières, Eberhard Kertscher
  • METHOD FOR PRODUCING DRIP IRRIGATION PIPES
    Publication number: 20110056619
    Abstract: In a method for producing drip irrigation pipes, a tube body is extruded from a thermoplastic synthetic material and provided with a wall. The tube body is led directly and in non-contact fashion to a pre-cooling chamber in which the tube body is pre-cooled and in which metering elements are pressed on to the wall and connected to the wall. The tube body is sized to a final diameter and further cooled in a cooling chamber.
    Type: Application
    Filed: May 5, 2009
    Publication date: March 10, 2011
    Applicant: THE MACHINES YVONAND SA
    Inventors: Jean-Pierre Guichard, Jean-Luc Vagnieres, Eberhard Kertscher