Patents by Inventor Jean-Pierre Bretaudiere

Jean-Pierre Bretaudiere 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).

  • Centrifugal photometric analyzer
    Patent number: 4279862
    Abstract: A centrifugal analyzer which includes a rotating disc having a pair of wells, one for the reagent and another of the sample, which are connected to a measuring chamber by a transfer channel which has means for creating a pressure differential and/or turbulence to produce a homogeneous mixture.
    Type: Grant
    Filed: November 16, 1978
    Date of Patent: July 21, 1981
    Inventors: Jean-Pierre Bretaudiere, Paul Prunenec