Patents by Inventor Nabil Ahmed Abdalla

Nabil Ahmed Abdalla 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).

  • Measuring cell for determining oxygen concentrations in a gas mixture
    Patent number: 3974054
    Abstract: Measuring cell for determining oxygen concentrations in a gas mixture having a partition consisting of an electrolyte material such as ZrO.sub.2, which reversibly reacts with oxygen and is ion conductive. The measuring cell is characterized in that the partition closes a hollow body and projects therefrom so that the electrodes may be provided on the same side to reduce disturbing influences on the measurement.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: August 10, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Petrus Jacobus Poolman, Nabil Ahmed Abdalla, Arend Harrewijne