Patents by Inventor Vasu Narasimhan

Vasu Narasimhan 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).

  • Hydrogen sulfide tolerant oxygen gas sensing device
    Publication number: 20060257288
    Abstract: According to one aspect of the present disclosure, a hydrogen sulfide tolerant oxygen gas sensing device comprises a gas sensing portion including a gas inlet, a sensing electrode adjacent the gas inlet, a counter electrode, and an electrolyte contacting the sensing electrode and the counter electrode. The gas sensing device also includes a filter portion including a porous hydrogen sulfide gas removal medium. The hydrogen sulfide filter portion is disposed adjacent the gas inlet of the gas sensing portion and defines a gas flow pathway to the gas inlet, through the porous hydrogen sulfide gas removal medium.
    Type: Application
    Filed: May 3, 2005
    Publication date: November 16, 2006
    Inventors: Zhenhe Sun, Vasu Narasimhan