Patents by Inventor E-Shun Chih

E-Shun Chih 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 dial mounting structure for water sprayers
    Patent number: 5645222
    Abstract: A spray-pattern dial mounting structure including a spray-pattern dial connected to the main body of a water spray, and a partition plate mounted within the spray-pattern dial, wherein the partition plate has a recessed portion at the front side and a plurality of longitudinal troughs at the recessed portion respectively connected to the nozzles on the spray-pattern dial, the recessed portion defining with the spray-pattern dial a water accumulation chamber for accumulating water from the water sprayer for permitting accumulated water to be further forced by water pressure out of radial lines of pores on the spray-pattern dial.
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: July 8, 1997
    Inventor: E-Shun Chih
  • Hand-held water sprayer with adjustable spray settings
    Patent number: 5232162
    Abstract: An adjustable spray cup of a water sprayer is provided to adjust the amount of water flowing through a nozzle of the water sprayer to produce variations in the dimensions of the ejected water streams.
    Type: Grant
    Filed: December 24, 1991
    Date of Patent: August 3, 1993
    Inventor: E-Shun Chih
  • Water spray gun
    Patent number: D350810
    Type: Grant
    Filed: March 31, 1993
    Date of Patent: September 20, 1994
    Inventor: E-Shun Chih
  • Y-type three way single-valve pipe connector
    Patent number: D357731
    Type: Grant
    Filed: March 31, 1993
    Date of Patent: April 25, 1995
    Inventor: E-Shun Chih