Patents by Inventor Yuan-Chieh Yu

Yuan-Chieh Yu 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).

  • Adjustable crib with vibrator, moisture sensor, fan, microphone and speaker
    Patent number: 5081722
    Abstract: A baby crib comprising two symmetrical side frames and two grilles transversely connected between said two symmetrical side frames at two opposite ends. The bed floor members each have an axle at one end and positioning bolts at the opposite end for positioning bed floor members into circular recesses and positioning holes according to the desired angle of inclination. Sound detectors and humidity sensors are provided to detect discomfort situations and thus trigger alarms and/or comforting devices.
    Type: Grant
    Filed: March 13, 1991
    Date of Patent: January 21, 1992
    Inventor: Yuan-Chieh Yu