Patents by Inventor Wai Kuen Ng

Wai Kuen Ng 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: 20130135852
    Abstract: A tube light structure is provided. A tube electrical starting control board is enclosed in an inner space of the outer tube, and the two end portions of the outer tube are respectively disposed with two contact pins for inputting an electrical source to the electrical starting control board; and at least one tube lamp, wherein two end portions thereof are respectively disposed with a fixing part, two fixing pins are respectively disposed on outer part of the fixing part, one of the fixing parts is formed with an input terminal, and the tube electrical starter is inputted the electrical source by a wire passing through the input terminal. Accordingly, the heat-dissipating effect is increased by enlarging the inner space used for accommodating electrical devices, so that the electrical elements are not easily damaged due to poor heat-dissipating.
    Type: Application
    Filed: February 20, 2012
    Publication date: May 30, 2013
    Applicant: HONG KONG PATENT EXCHANGE ASSOCIATION LIMITED
    Inventors: Kam-Kwan Chan, Wai-Kuen Ng
  • Patent number: 7083309
    Abstract: A new fluorescent lamp comprises a lamp tube and an electronic ballast, it is characterized in that it is provided with an outer tube, there are respectively an outer plug at both ends of the outer tube, in which inserts a socket for the lamp tube. The electronic ballast is between the outer plug and the socket for the lamp tube at one end, said lamp tube is disposed between two sockets for the lamp tube.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: August 1, 2006
    Inventors: Kam Kwan Chan, Wai Kuen Ng