Patents by Inventor Daniel Valtre

Daniel Valtre 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).

  • Reinforced flexible pipe
    Patent number: 5562126
    Abstract: A reinforced flexible pipe includes an impermeable hose and a reinforcement tube composed of an interlacement of flat rovings wound helically about the axis of the hose. Each flat roving is constructed of a plurality of filaments, such as wires. The interlacement of the coaxial reinforcement tube includes metal tapes helically wound about the axis of the hose and interlaced with the flat rovings.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: October 8, 1996
    Assignee: Tubest
    Inventors: Gerard Briand, Dominique Maingre, Marcel Le Foll, Daniel Valtre