Patents by Inventor Gerard Gandre

Gerard Gandre 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).

  • Coupling device for two pipes made of composite material based on a thermoplastic
    Patent number: 6604761
    Abstract: A device for coupling two pipes made of composite material based on a reinforced thermoplastic, includes a sleeve (40) threaded on its internal wall and intended to be joined to an end (21) of the first pipe (20) and to an end (31) of the second pipe (30). A sealing element (44) creates a seal in the coupling zone. A first end-piece (11) is intended to be fastened to the end (21) of the first pipe and a second end-piece (12) is intended to be fastened to the end (31) of the second pipe. Each end-piece has over at least part of its external surface (13, 14) a screw thread (15, 16) intended to engage in a complementary manner with the screw thread (48) of the sleeve (40).
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: August 12, 2003
    Assignee: Saint-Gobain Vetrotex France S.A.
    Inventors: Jean-Paul Debalme, Gerard Gandre