Patents by Inventor Laura Jane Gellman

Laura Jane Gellman 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).

  • Semiconducting oxide gas sensors
    Patent number: 6046054
    Abstract: The selectivity of response of resistive gas sensors to specific gases or vapors is improved by the selection of specified gas-sensitive materials which are not previously known for the applications described, which include detection of hydrocarbons in the presence of CO, H.sub.2 S, SO.sub.2, chlorine, NO.sub.2, CO.sub.2 (especially in low concentrations), CFC's, ammonia, free oxygen by determination of partial pressures, and numerous organic gases and vapors.
    Type: Grant
    Filed: December 9, 1997
    Date of Patent: April 4, 2000
    Assignee: Capteur Sensors & Analysers, Ltd.
    Inventors: Peter McGeehin, Patrick Timothy Moseley, David Edward Williams, Geoffrey Stephen Henshaw, Darryl Hirst Dawson, Laura Jane Gellman