Patents by Inventor Yaojin Guo

Yaojin Guo 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).

  • Showerhead or aerator containing pressure compensation device
    Patent number: 9435108
    Abstract: Pressure compensators for stabilizing the flow of water are disclosed including at least one flow orifice (10) passing through a pressure compensator body (1) and at least one flexible flow controller (2) which can at least partially block the orifice (10) to provide it with a predetermined flow area whereby the flow controller flexes and reduces the flow area at increased water pressures. Flow controllers are also disclosed for controlling the flow of water including a revolving body (5) for selectively opening and closing a number of flow openings (17) therethrough.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: September 6, 2016
    Assignee: Niagra Energy Conservation Products (Xiamen) Co., Ltd.
    Inventors: Huaqiang Zhou, Yaojin Guo
  • SHOWERHEAD OR AERATOR CONTAINING PRESSURE COMPENSATION DEVICE
    Publication number: 20140124599
    Abstract: Pressure compensators for stabilizing the flow of water are disclosed including at least one flow orifice (10) passing through a pressure compensator body (1) and at least one flexible flow controller (2) which can at least partially block the orifice (10) to provide it with a predetermined flow area whereby the flow controller flexes and reduces the flow area at increased water pressures. Flow controllers are also disclosed for controlling the flow of water including a revolving body (5) for selectively opening and closing a number of flow openings (17) therethrough.
    Type: Application
    Filed: November 2, 2011
    Publication date: May 8, 2014
    Applicant: Niagra Energy COnservation Products (Xiamen) Co., Ltd.,
    Inventors: Huaqiang Zhou, Yaojin Guo
  • Aerator
    Patent number: D661372
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: June 5, 2012
    Assignee: Niagara Conservation Corp.
    Inventors: Huaqiang Zhou, Yaojin Guo