Patents by Inventor Chyh-Wen Hwang

Chyh-Wen Hwang 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).

  • Container with sliding cover and strainer means
    Patent number: 5609758
    Abstract: A container including a hollow, rounded casing having upright stub rods on the inside and a tubular foot and a center through hole, a bowl mounted on the upright stub rods inside the casing and having an outward top flange and a bottom drain pipe extended out of the center through hole on the casing, a plurality of guide rods connected between the upright stub rods of the casing and the outward top flange of the bowl, and two symmetrical cover halves moved along the guide rods to close/open the bowl.
    Type: Grant
    Filed: August 7, 1995
    Date of Patent: March 11, 1997
    Inventor: Chyh-Wen Hwang
  • Hand-muscle developer with music producing means
    Patent number: 5533949
    Abstract: A hand-muscle developer including a casing, a strap for fastening the casing to the hand, a music IC circuit board installed inside the casing, a speaker mounted on the casing and connected to the music IC circuit board, a battery power supply to provide power supply to the music IC circuit board, a plurality of melody keys mounted on the casing and respectively depressed by fingers to make electrical contact for triggering the music IC circuit board to produce a specific tone through the speaker, and a tuning means mounted on the casing and controlled by the thumb to tune the tones triggered by the melody keys.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: July 9, 1996
    Inventor: Chyh-Wen Hwang