Patents by Inventor Robert M. Sinkevitch

Robert M. Sinkevitch 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).

  • Solid electrolyte exhaust gas sensor with increased NO.sub.x sensitivity
    Patent number: 4199425
    Abstract: A solid electrolyte exhaust gas oxygen responsive sensor having a platinum exhaust gas electrode and a porous ceramic coating on the electrode. The porous ceramic coating contains rhodium for making the sensor also responsive to NO.sub.x. In a specific example, rhodium permeates a gamma alumina porous overcoat on a sputtered platinum film serving as an exhaust gas electrode on a zirconia solid electrolyte member.
    Type: Grant
    Filed: November 30, 1978
    Date of Patent: April 22, 1980
    Assignee: General Motors Corporation
    Inventor: Robert M. Sinkevitch