Patents by Inventor Zhao-Liang Chen

Zhao-Liang Chen 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: 7302170
    Abstract: A heating device for a smoke generator includes at least one heating rod and a vaporization tube. The vaporization tube includes a longitudinal passageway. The vaporization tube coils around the heating rod and includes an end connected to an outlet of a pump of a smoke generator. Preferably, the vaporization tube helically coils around the heating rod to form a coiling structure having at least one layer. Preferably, the vaporization tube includes a non-circular cross-section having at least one side in surface contact with a circumference of the heating rod.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: November 27, 2007
    Inventor: Zhao-Liang Chen
  • Publication number: 20070223893
    Abstract: A heating device for a smoke generator includes at least one heating rod and a vaporization tube. The vaporization tube includes a longitudinal passageway. The vaporization tube coils around the heating rod and includes an end connected to an outlet of a pump of a smoke generator. Preferably, the vaporization tube helically coils around the heating rod to form a coiling structure having at least one layer. Preferably, the vaporization tube includes a non-circular cross-section having at least one side in surface contact with a circumference of the heating rod.
    Type: Application
    Filed: March 22, 2006
    Publication date: September 27, 2007
    Inventor: Zhao-Liang Chen