Patents by Inventor Jean-Louis Guérard

Jean-Louis Guérard 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).

  • Wrist prosthesis
    Patent number: 7563287
    Abstract: The invention concerns a wrist prosthesis wherein the surfaces of the spherical caps of the base plates of the lateral rods are pressed against the corresponding concave surfaces of the seat under the action of the spindle made of elastic material maintained in extension between the two pairs of half-locks. Each of the pairs of semi-cylindrical elements is maintained assembled by being engaged from outside inwards in the central passage of one of the rods and locks one of the cylindrical ends of the central part of the spindle. The central rod is engaged by its shaft in a transverse blind bore of the seat and the groove provided in the flanks of its slot is clipped on the rim of the spindle.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: July 21, 2009
    Inventors: Jean-Louis Guérard, Léopold Pflug, Daniel Egloff
  • Wrist prosthesis
    Publication number: 20040073316
    Abstract: The invention concerns a wrist prosthesis wherein the surfaces of the spherical caps of the base plates of the lateral rods are pressed against the corresponding concave surfaces of the seat under the action of the spindle made of elastic material maintained in extension between the two pairs of half-locks. Each of the pairs of semi-cylindrical elements is maintained assembled by being engaged from outside inwards in the central passage of one of the rods and locks one of the cylindrical ends of the central part of the spindle. The central rod is engaged by its shaft in a transverse blind bore of the seat and the groove provided in the flanks of its slot is clipped on the rim of the spindle.
    Type: Application
    Filed: September 2, 2003
    Publication date: April 15, 2004
    Inventors: Jean-Louis Guerard, L?eacute;opold Pflug, Daniel Egloff