Patents Examined by Qu B Vo
  • Hydrogen gas sensor and a method of fabricating thereof
    Patent number: 11525818
    Abstract: A hydrogen gas sensor with a substrate and a zinc oxide nanostructured thin film deposited on the substrate, wherein the zinc oxide nanostructured thin film has a lattice structure with a weight ratio of low binding energy O2? ions to medium binding energy oxygen vacancies in a range of 0.1 to 1.0, and a method of fabricating a gas sensor by thermally oxidizing a metal thin film under low oxygen partial pressure. Various combinations of embodiments of the hydrogen gas sensor and the method of fabricating the gas sensor are provided.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: December 13, 2022
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Qasem Ahmed Drmosh, Zain Hassan Yamani, Mohammad Kamal Hossain
  • Diamond-based sensor device for use in hostile environments
    Patent number: 11506625
    Abstract: A sensor device is provided to sample data from a fluid in a sealed environment. The sensor comprises a housing and a diamond within the housing. The housing is formed such that the device is reversibly insertable into the sealed environment so that the diamond directly interfaces with the sealed environment.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: November 22, 2022
    Assignee: UCL Business LTD
    Inventors: Richard B. Jackman, Ralph Jennings-Moors, Alexander C. Pakpour-Tabrizi, William Parfitt, Joseph O. Welch