Patents by Inventor Wilberdan V. George

Wilberdan V. George 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).

  • Method and apparatus for optical discrimination of particles
    Patent number: 4072421
    Abstract: Method and apparatus for improved optical discrimination in a total particle population of particles having a significant light absorption characteristic and particles having a significant light scattering characteristic. There is provided in such a method a combination of steps including, directing a beam of light from a source to transversely illuminate at an optical interaction station particles passed one by one through such station, partially obstructing the beam beyond the station for passage of scattered and unscattered portions of the beam, when a particle is in said beam and detecting one of said beam portions.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: February 7, 1978
    Assignee: Technicon Instruments Corporation
    Inventors: Lawrence J. Coyne, Wilberdan V. George, Warren Groner