Patents by Inventor Keng-Yuan Liu

Keng-Yuan Liu 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).

  • Containing apparatus with an inflatable/deflatable air cushion
    Publication number: 20080083640
    Abstract: The present invention discloses a containing apparatus with an inflatable/deflatable air cushion, and the containing apparatus includes a containing space disposed in the containing apparatus, an air cushion installed in the containing space, and an inflating device and a deflating device installed in the air cushion for inflating and deflating the air cushion respectively, so as to change the size of the air cushion and adjust the degree of tightness for attaching objects in the containing apparatus.
    Type: Application
    Filed: October 10, 2006
    Publication date: April 10, 2008
    Inventor: Keng-Yuan Liu
  • Dice-shaped MP3 player having night lights
    Patent number: D577743
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: September 30, 2008
    Inventor: Keng-Yuan Liu