Patents by Inventor Qi-jun LU

Qi-jun LU 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).

  • Apparatus for flow control and shutoff
    Patent number: 8490948
    Abstract: An apparatus for flow control and shutoff comprises a body having a chamber, an inlet and an outlet, the inlet and the outlet in fluidic communication with the chamber; the said apparatus for flow control and shutoff further comprises a flow regulator comprising a channel and the flow regulator rotatably fit in the chamber, such that the flow regulator is rotatable between a first rotational position and a second rotational position and that the channel is in fluidic communication with at least one of the inlet and the outlet; the said apparatus for flow control and shutoff further comprises a lever operably connected to the flow regulator such that the lever urges the flow regulator to rotate between a first rotational position and a second rotational position in the chamber when a user of the apparatus pushes the lever.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: July 23, 2013
    Inventor: Qi-jun Lu
  • APPARATUS FOR FLOW CONTROL AND SHUTOFF
    Publication number: 20120187320
    Abstract: An apparatus for flow control and shutoff comprises a body having a chamber, an inlet and an outlet, the inlet and the outlet in fluidic communication with the chamber; the said apparatus for flow control and shutoff further comprises a flow regulator comprising a channel and the flow regulator rotatably fit in the chamber, such that the flow regulator is rotatable between a first rotational position and a second rotational position and that the channel is in fluidic communication with at least one of the inlet and the outlet; the said apparatus for flow control and shutoff further comprises a lever operably connected to the flow regulator such that the lever urges the flow regulator to rotate between a first rotational position and a second rotational position in the chamber when a user of the apparatus pushes the lever.
    Type: Application
    Filed: January 26, 2011
    Publication date: July 26, 2012
    Inventor: Qi-jun LU