Patents by Inventor Chin-Yuan Chen

Chin-Yuan Chen 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: 6698671
    Abstract: A pistol-type nozzle includes a handle, a barrel, a flow control valve rod with an adjustment nut fastened thereon, a trigger lever provided with a trigger portion and pivoted with the handle, and a movable shield pivoted with the trigger lever to provide the flow control valve rod, the adjustment nut, and the trigger portion of the trigger lever with protection against dust and rust.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: March 2, 2004
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: 6641062
    Abstract: A gardening pistol nozzle is provided with an automatic flow control structure including an inner retaining seat located in a handle of the pistol nozzle, two shifting mechanisms located in the handle, and an outer retaining seat located in a control knob of the pistol nozzle. The inner retaining seat and the outer retaining seat are provided with a series of teeth. The control knob is pivoted to the handle such that the outer retaining seat is pressed against by the two shifting mechanisms which are used to actuate the outer retaining seat to slide so as to result in engagement or disengagement of the teeth of the outer retaining seat with the teeth of the inner retaining seat.
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: November 4, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: 6588683
    Abstract: A gardening spray nozzle includes a handle and a barrel. The handle is provided with a hollow neck which is provided in the inner wall with one retaining projection and an annular furrow. The barrel is provided in the wall of a fastening end with a retaining slot, and in the outer surface of the wall with an annular groove. The barrel is fastened to the handle in conjunction with a retaining ring and a ferrule which is fastened to the neck. The retaining projection of the neck is fitted into the retaining slot of the barrel to prevent the radial displacement of the barrel. The retaining ring is jointly located in the annular furrow of the neck and the annular groove of the barrel to prevent the axial displacement of the barrel.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: July 8, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: 6568605
    Abstract: A pistol-type spray nozzle includes a handle, a water guiding inner tube, a first water control valve, a second water control valve, a link rod, a control lever, and a thumbknob. The second water control valve is rotatably disposed in the top segment of the water guiding inner tube. The thumbknob is fastened to the second water control valve such that the thumbknob partially juts out of the handle. The thumbknob is used to actuate the second water control valve so as to turn on or off the water flow of the spray nozzle.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: May 27, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: 6554213
    Abstract: A sprinkling nozzle structure a fixation body, a hose connecting body, a hand grip, a spout member, and a barrel member. The hose connecting body is fastened to one end of the fixation body. The fixation body is fastened at the other end to the barrel member which is in turn fastened to the spout member. The barrel member is pliable to facilitate the directing of the spout member at a hard-to-reach area which is intended to be washed.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: April 29, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: 6520427
    Abstract: A pistol nozzle is provided with a flow control structure which is formed of a main body, an inner rack, an inner rack, a control lever, and two switching members. The two switching members are used to actuate the outer rack to slide toward one side to engage the inner rack so as to locate securely the control lever. When the outer rack is actuated to slide toward other side to disengage the inner rack, the control lever is set free.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: February 18, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Publication number: 20030015486
    Abstract: A pistol nozzle rack comprises a rotary seat, an expandable support rod, and a holding seat. The rotary seat is formed of a rotary disk and a base in which the bottom end of the support rod is rotatably mounted. The rotary disk is provided in the upper side with a plurality of receiving slots for receiving one end of the grip of the pistol nozzle. The rotary disk turns along with the support rod. The holding seat is mounted on the top end of the support rod and is provided with a plurality of holding slots corresponding in location and number to the receiving slots of the rotary disk for holding the barrel of the pistol nozzle.
    Type: Application
    Filed: July 23, 2001
    Publication date: January 23, 2003
    Applicant: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Publication number: 20030010851
    Abstract: A sprinkling nozzle structure comprises a fixation body, a hose connecting body, a hand grip, a spout member, and a barrel member. The hose connecting body is fastened with one end of the fixation body. The fixation body is fastened at other end with the barrel member which is in turn fastened with the spout member. The barrel member is pliable to facilitate the directing of the spout member at a hard-to-reach area which is intended to be washed.
    Type: Application
    Filed: July 13, 2001
    Publication date: January 16, 2003
    Applicant: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: D469504
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: January 28, 2003
    Assignee: Mei-Yu Nien
    Inventor: Chin-Yuan Chen
  • Patent number: D471954
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: March 18, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: D472300
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: March 25, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: D475435
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: June 3, 2003
    Inventor: Chin-Yuan Chen
  • Patent number: D479302
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: September 2, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: D479306
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: September 2, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: D479573
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: September 9, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co.,Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: D479575
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: September 9, 2003
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: D484947
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: January 6, 2004
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: D486555
    Type: Grant
    Filed: May 1, 2003
    Date of Patent: February 10, 2004
    Inventor: Chin-Yuan Chen
  • Patent number: D487797
    Type: Grant
    Filed: May 1, 2003
    Date of Patent: March 23, 2004
    Inventor: Chin-Yuan Chen
  • Patent number: D489791
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: May 11, 2004
    Inventor: Chin-Yuan Chen