Patents by Inventor Hank Tien Dao

Hank Tien Dao 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).

  • Electronic adjustable window tinting system
    Publication number: 20030210355
    Abstract: An Electronic Adjustable Tinting Window comprised of a large-scale liquid crystal segment that forms a shape of a window. The large-scale liquid crystal segment consisted of two polarized filters with liquid crystal molecules arranged between the two polarized filters. A control system comprised of a control switch, solar radiation sensor, temperature sensor, a control unit, and a new Electronic Adjustable Tinting Window.
    Type: Application
    Filed: May 13, 2002
    Publication date: November 13, 2003
    Inventor: Hank Tien Dao
  • HVAC control system for an automobile
    Patent number: 6304803
    Abstract: A heating, ventilation, and air conditioning system for a vehicle including a front HVAC control system that communicates with a rear HVAC control system. The rear HVAC control system includes a control panel having mode, temperature, and blower speed controls. The front HVAC control system includes a control panel having a rear manual control switch for enabling/disabling manual control of the rear HVAC system via the rear HVAC control panel. A microprocessor communicates control information from the front HVAC control system to the rear HVAC control system regardless of the position of the rear manual control switch. Whether the supplied control information is used by the rear HVAC control system is determined by the rear manual switch.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: October 16, 2001
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventor: Hank Tien Dao