Patents by Inventor Carilee E. Cole

Carilee E. Cole 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).

  • Electrical and chemical treatment of an oxygen sensor
    Patent number: 6179989
    Abstract: The present invention relates to an improved oxygen sensor and particularly to oxygen sensors used as exhaust sensors in vehicles. The oxygen sensor, which has an improved lean-rich response time and operability at lower temperatures, has been chemically etched and electrically treated, or chemically etched with a non-hydrofluoric acid solution.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: January 30, 2001
    Assignee: General Motors Corporation
    Inventors: Frederick Lincoln Kennard, III, Robert Gregory Fournier, William John La Barge, Carilee E. Cole, Earl Wayne Lankheet, Tie Wang