Patents by Inventor Chi Pang Leung

Chi Pang Leung 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).

  • Publication number: 20090008402
    Abstract: The present invention relates to a hygienic rubbish capable of killing harmful bacteria and expelling odors that may result from rubbish. The hygienic bin accomplishes this by including as components an ultraviolet light and exhaust system.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 8, 2009
    Applicant: The Hong Kong Polytechnic University
    Inventors: Alan Kin-tak Lau, Kwan Sing Chan, Chi Pang Leung, Ching Man Yu
  • Patent number: 7367596
    Abstract: A ground lock fitting comprises: an upper cover comprises a top surface and an upper sidewall, wherein a guiding hole is provided on the top surface and a thread is provided on the upper sidewall; a lower cover comprises a base surface and a lower sidewall, wherein a mounting hole is provided on the base surface; the upper cover is connected with the lower cover to form a chamber in which a locking bar comprising a mainbody and a stopper attached thereunder is disposed; and a magnetized portion is provided on top of the mainbody in which a locking hole is provided. The ground lock fitting is hidden from view, hard to break open and convenient to use such that it can be widely used in rolling shutter gates for stores and the like.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: May 6, 2008
    Inventor: Chi Pang Leung