Patents by Inventor Chris Hua

Chris Hua 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).

  • Rotating direction switching device for a pneumatic tool
    Patent number: 7594549
    Abstract: A rotating direction switching device for a pneumatic tool comprises an air inlet valve and a switch. The air inlet valve is driven to switch the rotating direction of the pneumatic tool by controlling the switch, thus simplifying the operation of switching between the clockwise mode and counterclockwise mode, and facilitating the operation by a single hand. Especially, no matter users who are right hand or left hand dominated could easily operate the pneumatic tool.
    Type: Grant
    Filed: April 15, 2007
    Date of Patent: September 29, 2009
    Assignee: Basso Industry Corp.
    Inventor: Chris Hua
  • Rotating Direction Switching Device for a Pneumatic Tool
    Publication number: 20080251269
    Abstract: A rotating direction switching device for a pneumatic tool comprises an air inlet valve and a switch. The air inlet valve is driven to switch the rotating direction of the pneumatic tool by controlling the switch, thus simplifying the operation of switching between the clockwise mode and counterclockwise mode, and facilitating the operation by a single hand. Especially, no matter users who are right hand or left hand dominated could easily operate the pneumatic tool.
    Type: Application
    Filed: April 15, 2007
    Publication date: October 16, 2008
    Inventor: Chris Hua