Patents by Inventor Dustin Huang

Dustin 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: 6585174
    Abstract: A lawn sprinkler nozzle includes a nozzle head, a hollow connection pipe, and a hollow handle. The connection pipe is connected between the nozzle head and the handle. The handle is provided at one end with a flow control structure which is formed of a cylindrical body, a ball valve, and a control knob. The cylindrical body is detachably fastened to the connection pipe. The ball valve is rotatably disposed in the interior of the cylindrical body such that the ball valve is actuated by the control knob to turn so as to control the flow of water from the handle to the nozzle head.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: July 1, 2003
    Inventor: Dustin Huang
  • Patent number: 6581853
    Abstract: A sprinkler structure which has an auxiliary flow control valve, a first handle, a second handle, a pivoting member, and a nozzle head. The auxiliary flow control valve is formed of a valve body and a control knob for controlling the water flow of the valve body. The two handles are pivoted end to end. The pivoting member is formed of a connector, a washer, a locating tube, and a spherical joint. The nozzle head is fastened with the spherical joint capable of turning in all direction in the locating tube.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: June 24, 2003
    Inventor: Dustin Huang
  • Patent number: 6557788
    Abstract: A hose connector includes a connection body and a lock ring. The connection body is provided at one end with a fastening portion engageable with a lawn sprinkler or the like, and at the other end with a tubular protrusion which is provided with an outer threaded portion, an annular groove, and a toothed edge. The lock ring is provided with an inner threaded portion, and a sloped portion located in the inner wall of the outer end thereof. The lock ring is joined with the tubular protrusion such that the inner threaded portion of the lock ring is engaged with the outer threaded portion of the tubular protrusion. The lock ring can be turned counterclockwise to move toward the fastening portion, or clockwise to move away from the fastening portion.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: May 6, 2003
    Inventor: Dustin Huang
  • Patent number: 6540163
    Abstract: A water spray pistol includes a barrel, an elbow pipe fastened to the barrel, a pivoting seat fastened to the elbow pipe, and a nozzle head fastened to the pivoting seat. The pivoting seat is provided with a pivoting shaft and a locating pin. The nozzle head has a pivoting portion which is provided with a series of locating slots and an angle scale. The pivoting portion of the nozzle head is pivotally mounted on the pivoting shaft. As the pivoting portion makes a turn on the pivoting shaft, the locating pin of the pivoting seat is retained in one of the locating slots of the pivoting portion of the nozzle head, so as to locate securely the nozzle head. The angular adjustment of the nozzle head is measured by the angle scale of the pivoting portion.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: April 1, 2003
    Inventor: Dustin Huang
  • Patent number: 6511001
    Abstract: A hand-held water nozzle includes a handle and a nozzle head fastened to a head mount which is rotatably fastened to a seat in conjunction with a slide block. The seat is fastened fixedly to the handle. The head mount is provided with a toothed portion. The slide block is provided with a toothed portion. The toothed portions of the head mount and the slide block are engaged with each other, thereby enabling the nozzle head to be angularly adjusted in a series of steps.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: January 28, 2003
    Inventor: Dustin Huang