Patents by Inventor Jonathan P. K. Seville

Jonathan P. K. Seville 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 the measurement of the size of particles entrained in a gas
    Patent number: 4829838
    Abstract: Apparatus for measuring the size of particles entrained in a gas comprises an optical fibre probe having a hemispherical end and insertable into a stream of gas bearing entrained particles to create a stagnation point in the flowing gas, a Doppler anemometer to measure particle velocity at a point upstream of the stagnation point and a computer-controlled burst counter to determine from the particle velocity measurements the distribution by number of aerodynamic diameter of the particles.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: May 16, 1989
    Assignee: National Research Development Corporation
    Inventors: Roland Clift, Jonathan P. K. Seville, Andrew H. J. Take