Patents by Inventor Christophe Sachot

Christophe Sachot 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).

  • Method of producing splines on a shaft
    Patent number: 5894753
    Abstract: In a method of producing splines on a shaft, cold deformation without removal of chips is effected on the outside face of a small-thickness tube in a single operation. The cold deformation includes hammering the small-thickness tube by a conjugate and simultaneous action of beating and kneading. The depth of the splines can be as much as half the thickness of the tube.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: April 20, 1999
    Assignee: Lemforder Nacam
    Inventors: Christophe Sachot, Andre Laisement, Michel Chartrain