Patents by Inventor Bi Guang Tsai

Bi Guang Tsai 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: 6439472
    Abstract: A sprayer device may receive water from a water reservoir, and includes a light device, and a device for actuating the light device with the water flowing through the sprayer device. The light device may be energized to light the mist or the spraying water out of the sprayer device for decorative purposes. The sprayer device includes a barrel coupled to the water reservoir. A switch device includes two conductor blades disposed in the barrel and coupled to the light device for being actuated by the water flowing through the barrel.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: August 27, 2002
    Inventors: Yen Tang Lin, Bi Guang Tsai
  • Patent number: 6412710
    Abstract: A sprayer device includes a housing coupled to a water reservoir, a block having a passageway and a number of outlets. A locking member is slidably received in the passageway of the block to block some of the outlets of the block alternatively when the blocking member is slided along the passageway of the block. A number of paddle wheels are rotatably received in the block for controlling the outward flowing water. A shaft is received in the block, and a cap is threaded to the block and has a valve seat for engaging with the shaft to control the outward flowing water.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: July 2, 2002
    Inventors: Yen Tang Lin, Bi Guang Tsai