Patents by Inventor Ken-Wang Chen

Ken-Wang Chen 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).

  • Patent number: 5784265
    Abstract: An illuminating coaster includes an upper member, an intermediate member, a lower member, an illuminating assembly arranged between the upper member and the intermediate member and including a first conducting member, a second conducting member, and batteries, the first conducting member being fixedly mounted on an inner side of the upper member, the first conducting member being fixedly mounted on an inner side of the upper member, the second conducting member being provided with a light-emitting diode, the batteries being disposed between the first and second conducting members, whereby when a glass is put onto the coaster, the upper member will be pressed downwardly to make the first conducting member contact the batteries thereby forming a closed circuit and therefore causing the light-emitting diode to give light through a bottom of the glass.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: July 21, 1998
    Inventor: Ken-Wang Chen
  • Patent number: 5085357
    Abstract: A foldable hanger of the present invention mainly comprises a hook portion, a frame and two shoulders. The hook portion is formed with an extended cylindrical post at its lower portion, from which extends a notch from half way of the cylindrical post down to its bottom, and two flanges at its two sides of the notch. The frame has an upper and a lower hollow pipes with a board formed inbetween the two pipes. Both of the upper and the lower pipes have teeth integrally formed in the hollow bodies and a block ring placed inside of each end of the two pipes. The board is integrally formed with the two pipes having a recess being shaped like the hook in reversed position located underneath the cut portion of the upper pipe each of which has two flat plates extended upwardly from the cut ends therefrom and each of which further has two semi-circle plates extended outwardly from the top of the flat plate towards the two ends of the upper pipe respectively.
    Type: Grant
    Filed: April 17, 1991
    Date of Patent: February 4, 1992
    Inventor: Ken-Wang Chen