Patents by Inventor Jean P. Lepage

Jean P. Lepage 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).

  • Blood particle analyzer
    Patent number: 4633169
    Abstract: A method for the analysis of particles in suspension in a fluid having a conductivity different from that of the particles, in particular a method for the analysis of blood particles is disclosed. The method includes the following steps: passing the fluid through an orifice, applying an electronic signal across the orifice, and producing electronic pulses corresponding to the changes in the signal level caused by the passage of the particles through the orifice. The invention is also concerned with a device for carrying out the method.
    Type: Grant
    Filed: June 28, 1984
    Date of Patent: December 30, 1986
    Assignee: Kontron Holding AG
    Inventors: Philippe L. Degrave, Jean P. Lepage