Patents by Inventor Timothy Gordon Fellows

Timothy Gordon Fellows 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).

  • Infrared measuring gauges
    Patent number: 6281498
    Abstract: An infrared gauge for, and a method of, measuring a parameter of a sample, e.g.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: August 28, 2001
    Assignee: Infrared Engineering Limited
    Inventor: Timothy Gordon Fellows
  • Calibration standard for infrared absorption gauge
    Patent number: 6078042
    Abstract: A calibration standard for use with an infrared optical absorption measurement gauge having an assembly with an optical interference filter (22) and one or more optical elements. The interference filter has spectrally selective properties so that all but a selected spectral band is reflected by the filter towards the detectors of the gauge. The transmitted band is selectively absorbed by the optical element(s) which are spectrally unselective and also directed towards the detectors of the gauge. The position and strength of the selected band can thereby be adjusted to simulate an absorption spectrum, i.e., a corresponding spectral band which is characteristic of the absorption spectrum of a material under measurement. The standard is used to calibrate the absorption measurement gauge.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: June 20, 2000
    Assignee: Infrared Engineering Limited
    Inventor: Timothy Gordon Fellows