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).

  • Spray pattern guide structure of a sprinkler
    Publication number: 20050133614
    Abstract: A sprinkler has a spray head which comprises an indicator and a spray pattern dial. The spray pattern dial is provided with a plurality of jet nozzles capable of spraying a liquid in various patterns, and a pattern scale contiguous to the indicator. The pattern scale is formed of a plurality of symbols representing spray patterns of the jet nozzles and corresponding in location to the jet nozzles.
    Type: Application
    Filed: December 22, 2003
    Publication date: June 23, 2005
    Applicant: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Sprinkler provided with a built-in mechanism for dispensing detergent
    Patent number: 6902120
    Abstract: A sprinkler includes a handle, a barrel, a nozzle, and a detergent dispensing mechanism. The barrel is fastened at one end with the handle, and at the other end with the nozzle. The detergent dispensing mechanism is fastened to the periphery of the barrel and is contiguous to the handle. The mechanism has a detergent holder and a detergent control switch. The detergent holder is provided with a water hole and a detergent hole, which are in communication with a water duct of the barrel. The detergent control switch is used to open or close the water hole and the detergent hole of the detergent holder in the midst of operation of the sprinkler.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: June 7, 2005
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • CONNECTION STRUCTURE OF A NOZZLE AND EXTENSION PIPE OF A SPRINKLER
    Publication number: 20050109863
    Abstract: A sprinkler includes a handle, a nozzle, and a connection structure for connecting the nozzle to the handle. The connection structure has an extension pipe and a connection member. The extension pipe is formed of an outer tube fastened at a bottom end to the handle, and an inner tube fastened at a top end to the nozzle. The connection member is formed of a first connector and a second connector. The first connector is engaged with a top end of the outer tube and is engaged with the second connector. The inner tube is slidably fitted at a bottom end into the top end of the outer tube through the first connector such that the inner tube is intimately embraced by the first connector.
    Type: Application
    Filed: November 24, 2003
    Publication date: May 26, 2005
    Applicant: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Nozzle structure of a lawn sprinkler
    Patent number: 6896206
    Abstract: A lawn sprinkler is provided with a nozzle structure including a nozzle piece, a guide seat, and a receptacle. The nozzle piece is fastened to one end of the guide seat. The guide seat is provided at the one end with a fastening portion, a fitting portion, and a leakproof flange located between the fastening portion and the fitting portion. The guide seat is held in the receptacle in such a way that the fitting portion of the guide seat is fitted into an opening of one end of the receptacle, and that the opening of the receptacle is sealed off by the leakproof flange of the guide seat.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: May 24, 2005
    Inventor: Chin-Yuan Chen
  • Foot structure of a rack for holding spray nozzles
    Patent number: 6880709
    Abstract: A rack for holding spray nozzles is formed of a top frame and a bottom frame. The top frame is provided with a plurality of legs which are provided in proximity of a bottom end with a plurality of retaining slots. The legs are fitted into the hollow support rods of the bottom frame. The hollow support rods are provided in a bottom end with a foot fitted thereinto. The foot is provided with a plurality of retaining projections, which are retained in the retaining slots of the bottom end of one of the legs of the top frame. The bottom end of the hollow support rods of the bottom frame is sealed off by the foot. The foot also serves to provide the bottom end of the hollow support rods with a frictional contact with a surface.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: April 19, 2005
    Assignee: Shin Tai Spurt Water of the Garden Tools, Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Foot structure of a rack for holding spray nozzles
    Publication number: 20040118796
    Abstract: A rack is used for holding spray nozzles and is formed of a top frame and a bottom frame. The top frame is provided with a plurality of legs which are provided in proximity of a bottom end with a plurality of retaining slots. The legs are fitted into the hollow support rods of the bottom frame. The hollow support rods are provided in a bottom end with a foot fitted thereinto. The foot is provided with a plurality of retaining projections, which are retained in the retaining slots of the bottom end of one of the legs of the top frame. The bottom end of the hollow support rods of the bottom frame is sealed off by the foot. The foot also serves to provide the bottom end of the hollow support rods with a frictional contact with a surface.
    Type: Application
    Filed: December 23, 2002
    Publication date: June 24, 2004
    Applicant: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Sprinkler
    Patent number: D501534
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: February 1, 2005
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Water sprayer for use in motor cleaning
    Patent number: D501913
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: February 15, 2005
    Inventor: Chin-Yuan Chen
  • Garden pistol nozzle
    Patent number: D501914
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: February 15, 2005
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Handle of a spray nozzle
    Patent number: D502533
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: March 1, 2005
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Hand-held spray nozzle
    Patent number: D503456
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: March 29, 2005
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Spray nozzle
    Patent number: D503457
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: March 29, 2005
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Spray nozzle
    Patent number: D503458
    Type: Grant
    Filed: February 25, 2004
    Date of Patent: March 29, 2005
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Water pistol
    Patent number: D489792
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: May 11, 2004
    Inventor: Chin-Yuan Chen
  • Pistol nozzle
    Patent number: D491252
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: June 8, 2004
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Water pistol
    Patent number: D492979
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: July 13, 2004
    Inventor: Chin-Yuan Chen
  • Water pistol for use in motor cleaning
    Patent number: D497975
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: November 2, 2004
    Inventor: Chin-Yuan Chen
  • Long pistol nozzle
    Patent number: D498288
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: November 9, 2004
    Inventor: Chin-Yuan Chen
  • Water pistol for use in motor cleaning
    Patent number: D498289
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: November 9, 2004
    Inventor: Chin-Yuan Chen
  • Long pistol nozzle
    Patent number: D499790
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: December 14, 2004
    Inventor: Chin-Yuan Chen