Patents by Inventor Chi-King Huang

Chi-King Huang 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: 5367716
    Abstract: An automatic flush toilet detergent and perfume dispenser of the type having a detergent dispensing device controlled by water pressure to send a fixed amount of a detergent into a water container being linked to the flush pipe of a toilet flushing system, and a DC motor fan operated perfume dispensing device controlled to spray a liquid perfume into the air, the improvement including two full water level detector probes detect water level and to give a signal when water in the water container reaches full water level, a buzzer, light emitting devices, a control circuit controlled by the signal from the full water level detector probes to turn on the DC motor fan, the buzzer, and the light emitting devices, and a manual control switch controlled to trigger the control circuit manually.
    Type: Grant
    Filed: February 7, 1994
    Date of Patent: November 29, 1994
    Inventor: Chi-King Huang
  • Patent number: 5169117
    Abstract: A lower power type, motor-controlled magnetic valve comprising a reversible motor, a speed reducing gear controlled by said reversible motor to move an external magnetic set into a first position in attracting an internal magnetic set or a second position in repulsing said internal magnetic set, causing a plunger to leave from or press against a valve flap, permitting said valve flap to open or close a discharging pipe.
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: December 8, 1992
    Inventor: Chi-King Huang