Patents by Inventor Michel Chauvel

Michel Chauvel 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).

  • Fluid-tight connectors for fluid-carrying pipe-lines
    Patent number: 5156421
    Abstract: A pipe connector comprising two members with respectively concave and convex mating co-operating ends and fitting together by an internally threaded sleeve retaining one of the members and tightened by being screwed onto the outer threading of the other member, this outer threading being extended by a threaded portion having a greater diameter than and the same pitch as those of the outer threading and being adapted to co-operate with a lock washer retained in a recessing formed in one of the ends of the sleeve.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: October 20, 1992
    Assignee: Simmonds S.A.
    Inventor: Michel Chauvel
  • Device for selectively securing an object to a shaft
    Patent number: 4456209
    Abstract: A magnetic tape reel is secured to a reel drive motor shaft by a device including a hub secured to the shaft, a plurality of shoes, and actuating means for thrusting the shoes against the reel and for releasing them from contact with the reel. The securing device includes a cam mounted on the shaft in combination with a locking device including the cam periphery. The locking device thrusts the shoes against the object and is operated by rotation of the motor. The cam is immobilized in rotation while the shoes are locked.
    Type: Grant
    Filed: December 8, 1981
    Date of Patent: June 26, 1984
    Assignee: Compagnie Internationale pour l'Informatique CII Honeywell Bull (Societe Anonyme)
    Inventors: Fernand Calizano, Michel Chauvel