Patents by Inventor Richard Quesneau

Richard Quesneau 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 for biochemical quantitative analysis of successive samples
    Patent number: 4472352
    Abstract: The present invention relates to an automatic device for analyzing successive samples which comprises a turning plate provided at its periphery with vertical sockets containing a small tube filled with the sample to be analyzed, a photomultiplier arranged opposite the lateral face of the plate comprising an orifice communicating with the sockets, a first flat seal adapted to be actuated by a ring to be brought into contact with the lateral face of the plate, a second flat seal adapted to be actuated by another ring above the socket and a third seal carried by a movable cradle below the socket.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: September 18, 1984
    Assignee: Biosys S.A.
    Inventors: Richard Quesneau, Jean-Luc Berry