Patents by Inventor Michel Boynard

Michel Boynard 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).

  • Device and apparatus for detecting and measuring by echography particles settling in a fluid
    Patent number: 5125264
    Abstract: The device chiefly includes a thermostatically controlled measuring cell (1) with which is associated a transmitting-receiving ultrasonic probe (2). The cell consists of a cavity (10) divided half way up by a thin plate (11). The upper chamber above the plate is designed to receive a suspension (13) of particles while the probe is located in the lower chamber below the plate. The upper face (14) of the probe is separated from the plate.
    Type: Grant
    Filed: March 5, 1991
    Date of Patent: June 30, 1992
    Assignee: Universite Rene Descartes
    Inventors: Yves Beuzard, Michel Boynard, Roger Guillet, Mahmoud Razavian