Patents by Inventor William C. Maskell

William C. Maskell 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).

  • Patent number: 5366611
    Abstract: An oxygen sensor comprises a substrate 1 having two opposite faces, a first electrode layer 2 residing on one face of the substrate, an electrolyte 3 formed of a metal oxide oxygen ion conductor residing on the first electrode 2, a second electrode layer 4 residing on the electrolyte 3 wherein the electrodes 2 and 4 are formed of a material including a metal oxide oxygen ion conductor and a third electrode layer 6 residing on the other face of the substrate 1.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: November 22, 1994
    Assignee: British Gas plc
    Inventors: Andreas Ioannou, William C. Maskell