Patents by Inventor Hang-yin Ling

Hang-yin Ling 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: 7729567
    Abstract: The present invention relates a fiber optic transducer (FOT) and methods for measuring the pressure and temperature of a flowing fluid using such FOT, wherein such FOT contains a fiber optic having fiber Bragg gratings. The fiber Bragg gratings are measured during a flowing fluid to determine the difference in the change in wavelength exhibited by a reflected optical signal from the gratings.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: June 1, 2010
    Assignee: The Hong Kong Polytechnic University
    Inventors: Hang-yin Ling, Yong-ping Zheng, Kin-tak Lau, Pou-man Lam
  • Publication number: 20080285908
    Abstract: The present invention relates a fiber optic transducer (FOT) and methods for measuring the pressure and temperature of a flowing fluid using such FOT, wherein such FOT contains a fiber optic having fiber Bragg gratings. The fiber Bragg gratings are measured during a flowing fluid to determine the difference in the change in wavelength exhibited by a reflected optical signal from the gratings.
    Type: Application
    Filed: May 14, 2007
    Publication date: November 20, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventors: Hang-yin Ling, Yong-ping Zheng, Kin-tak Lau, Pou-man Lam