Patents by Inventor Chao Hui-Chen

Chao Hui-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: 6173911
    Abstract: A water sprayer nozzle includes a barrel and a hand grip which is fastened at one end thereof with one end of the barrel and provided at other end thereof with a hose connector. The hand grip is provided therein with a water channel in communication with the barrel, and a receiving compartment in communication with the water channel. The hand grip is further provided with a water stopping member, an orientation push button, and a control push button for regulating the flow of water entering the water channel from the receiving compartment.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: January 16, 2001
    Inventor: Chao Hui-Chen
  • Patent number: 6164566
    Abstract: A pistol-type water sprayer having an outer disk body, a pulsating member, an inner disk body, a water distributing disk, and a nozzle seat. The pulsating member, the inner disk body and the water distributing disk are mounted over a tubular member extending rearwardly of the outer disk body. The outer disk body is provided with a plurality of pulsating water outlets, inner water outlets, outer water outlets and outer water blocking members. The nozzle seat is provided with a water tube capable of being in alignment with the various water outlets to enable the nozzle to project water in various ways.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: December 26, 2000
    Inventor: Chao Hui-Chen
  • Patent number: 6058975
    Abstract: A connection member is designed to connect a plurality of water control valves and is formed of a main body which is connected with a water main and is provided with two connection tubes for fastening a plurality of valve mounts in conjunction with a plurality of extension tubes. The water control valves are fastened with the valve mounts.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: May 9, 2000
    Inventor: Chao Hui-Chen
  • Patent number: D436395
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: January 16, 2001
    Inventor: Chao Hui-Chen
  • Patent number: D436396
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: January 16, 2001
    Inventor: Chao Hui-Chen
  • Patent number: D436649
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: January 23, 2001
    Inventor: Chao Hui-Chen
  • Patent number: D436651
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: January 23, 2001
    Inventor: Chao Hui-Chen
  • Patent number: D436652
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: January 23, 2001
    Inventor: Chao Hui-Chen
  • Patent number: D403407
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: December 29, 1998
    Inventor: Chao Hui-Chen
  • Patent number: D408068
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: April 13, 1999
    Inventor: Chao Hui-Chen
  • Patent number: D408889
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: April 27, 1999
    Inventor: Chao Hui-Chen
  • Patent number: D410994
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: June 15, 1999
    Inventor: Chao Hui-Chen
  • Patent number: D412356
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: July 27, 1999
    Inventor: Chao Hui-Chen
  • Patent number: D413962
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: September 14, 1999
    Inventor: Chao Hui-Chen
  • Patent number: D414244
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: September 21, 1999
    Inventor: Chao Hui-Chen
  • Patent number: D415554
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: October 19, 1999
    Inventor: Chao Hui-Chen
  • Patent number: D426616
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: June 13, 2000
    Inventor: Chao Hui-Chen