Patents by Inventor Clive R. Negus

Clive R. Negus 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).

  • Measurement of the size of particles
    Patent number: 4492467
    Abstract: A method of determining the size of spherical particles, comprising the operations of illuminating with a beam of circularly polarized light particles the size of which is to be determined, detecting light backscattered by the particles, measuring the angular intensity distribution of the backscattered light and deriving therefrom an indication of the size of the particles.Various forms of apparatus for carrying out the method also are described.
    Type: Grant
    Filed: May 25, 1982
    Date of Patent: January 8, 1985
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: Leslie E. Drain, Clive R. Negus