Patents by Inventor Maurice Constant

Maurice Constant 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).

  • Remotely manipulatable valve
    Patent number: 4917141
    Abstract: It comprises on a pipe, a body (1), an internal assembly (20), an actuator (70) and a holding assembly (40). These various parts can be easily locked and released by standard tools and can be extracted or refitted by simple translation. Positioning and centring devices for the different assemblies are provided. Application to valves in contaminated environments, particularly in the nuclear and chemical industries.
    Type: Grant
    Filed: October 5, 1988
    Date of Patent: April 17, 1990
    Assignee: Commissariat A L'Energie Atomique
    Inventors: Jean Brunel, Maurice Constant