Patents by Inventor Pierre Vivier

Pierre Vivier 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).

  • Patent number: 5181929
    Abstract: The disclosure relates to a femoral prosthesis consisting of a metal rod having a male frustoconical end portion and a femoral head, or ceramic ball, having a frustoconical blind recess, assembled by means of a conical sleeve fitment. The ceramic ball is formed of material having an improved flexion breakage modulus and an improved elasticity modulus.
    Type: Grant
    Filed: March 23, 1990
    Date of Patent: January 26, 1993
    Assignee: Ceramiques Techniques Desmarquest
    Inventors: Christian Prats, Pierre Vivier
  • Patent number: RE37964
    Abstract: The disclosure relates to a femoral prosthesis consisting of a metal rod having a male frustoconical end portion and a femoral head, or ceramic ball, having a frustoconical blind recess, assembled by means of a conical sleeve fitment. The ceramic ball is formed of material having an improved flexion breakage modulus and an improved elasticity modulus.
    Type: Grant
    Filed: January 19, 1995
    Date of Patent: January 7, 2003
    Assignee: Ceramiques Techniques Desmarquest
    Inventors: Christian Prats, Pierre Vivier