Patents by Inventor Ian David Williamson

Ian David Williamson 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).

  • Pipeline optical flow meter
    Patent number: 6275284
    Abstract: The present invention provides an optical device for the measurement of flow rates of fluid through a pipe. The device broadly comprises a narrow frequency light source, an optical delivery system, a collector for light scattered from particles in the fluid, and a photo detector. In a preferred embodiment, the optical delivery system and the collector are contained within the pipe.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: August 14, 2001
    Assignee: Nova Gas Transmission Ltd.
    Inventors: Darwin Edward Kiel, Ian David Williamson, Jason L. Szabo
  • Optical flow meter integrally mounted to a rigid plate with direct optical access to the interior of a pipe
    Patent number: 6128072
    Abstract: The present invention provides an optical device for the measurement of flow rates of fluid through a pipe. The device broadly comprises a narrow frequency light source, an optical delivery system, a collector for light scattered from particles in the fluid, and a photo detector. In a preferred embodiment, the optical delivery system and the collector are contained within the pipe.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: October 3, 2000
    Assignee: NOVA Gas Transmission Ltd.
    Inventors: Darwin Edward Kiel, Ian David Williamson