Patents by Inventor Jean-Michael Charrier

Jean-Michael Charrier 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 of manufacturing discrete fiber reinforced, plastic tube and apparatus therefor
    Patent number: 4883622
    Abstract: A method and apparatus for making multi-layered plastic tube reinforced with fibers by a co-extrusion process. The method and apparatus provide more specifically a multi-layered plastic tube with an intermediate layer thereof having discrete fibers where at least a major portion of the fibers is oriented to extend predominantly in a general direction lying between the circumferential and the longitudinal axis of the tube with the orientation of the fibers being generally the same throughout the thickness of the intermediate layer.
    Type: Grant
    Filed: September 17, 1987
    Date of Patent: November 28, 1989
    Assignee: Canadian Patents and Development Limited
    Inventors: John M. Dealy, Jean-Michael Charrier, Shailesh Doshi