Patents by Inventor Kee Hung Daniel Chang

Kee Hung Daniel Chang 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).

  • Heat sink for a PTC heating element and a PTC heating member made thereof
    Patent number: 6455822
    Abstract: There is disclosed a heat sink for a PTC heating element, which heat sink including a first end, a second end, and a pair of webs extending from the second end towards the first end, in which each of the webs is connected to the cover face via a respective curved section, and the curved section is inward of the respective web.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: September 24, 2002
    Assignee: Mega Dynamics Ltd.
    Inventor: Kee Hung Daniel Chang
  • Heat sink for a PTC heating element and a PTC heating member made thereof
    Publication number: 20020040899
    Abstract: There is disclosed a heat sink for a PTC heating element, which heat sink including a first end, a second end, and a pair of webs extending from the second end towards the first end, in which each of the webs is connected to the cover face via a respective curved section, and the curved section is inward of the respective web.
    Type: Application
    Filed: September 18, 2001
    Publication date: April 11, 2002
    Inventor: Kee Hung Daniel Chang