Patents by Inventor Jacques Demoisson

Jacques Demoisson 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).

  • Composite gasket for the locked assembly of spigot and socket pipes
    Patent number: 5219189
    Abstract: Composite gasket for locked assembly between a first pipe T1 with a socket 15 and a second pipe T2 with a spigot 20.The gasket G comprises locking inserts 7 with a nose 11 for catching on the spigot 20. The inserts 7 are capable of an angular movement varying their inclination relative to the axis X--X of the gasket G.The invention is used for the locking of pipes having wide diametral production tolerances.
    Type: Grant
    Filed: January 10, 1992
    Date of Patent: June 15, 1993
    Assignee: Pont-A-Mousson S.A.
    Inventors: Jacques Demoisson, Michel Hussard, Alain Percebois