Patents by Inventor Yu-hung Kuan

Yu-hung Kuan 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: 6030586
    Abstract: An ozone generating and ozone/water mixing apparatus includes an ozonizer controlled to convert oxygen into ozone, and an ozone/water mixer connected to the spout of a water tap and an ozone outlet of the ozonizer to receive ozone from the ozonizer and water from the water tap and to let intake water to be mixed with intake ozone, wherein the ozonizer includes a control circuit, an ozone generating unit controlled by the control circuit board to convert oxygen into ozone, a power supply circuit, which provides the necessary working power supply to the control circuit board and the ozone generating unit, a power switch, which transmits power supply from the power supply circuit to the control circuit board and the ozone generating unit, and a negative pressure inductor which is induced by a negative pressure to switch on the power switch when the water tap is opened.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: February 29, 2000
    Inventor: Yu-Hung Kuan
  • Patent number: 5437843
    Abstract: An ozonizer for refreshing the room with clean air and lessening the green house effect, generally comprising of a base, a housing, a high voltage unit, an air compressor, and an ozone converter.
    Type: Grant
    Filed: July 8, 1993
    Date of Patent: August 1, 1995
    Inventor: Yu-hung Kuan