Patents by Inventor Gilbert Monnet

Gilbert Monnet 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).

  • Valve having a metal seal, in particular a butterfly valve
    Patent number: 5249774
    Abstract: The valve includes a support piece 18 that bends elastically and that bears via its two edges 19 and 20 against a support ring 6 for elastically supporting a dynamic sealing ring 16 that is made of metal. The invention is applicable to butterfly valves.
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: October 5, 1993
    Assignee: Alsthom Velan
    Inventors: Jean-Luc Mazel, Gilbert Monnet