Patents by Inventor Chin-Chung Yeh

Chin-Chung Yeh 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).

  • Publication number: 20040066075
    Abstract: A chair includes a base support having two upwardly extending rods and two upwardly extending tubular members, a seat mounted on the base support and having a backrest, two armrests each having an end fixedly mounted on a respective one of the upwardly extending rods, two lower rods each inserted into a respective one of the upwardly extending tubular members, a spring sleeved over the upper portion of the lower rod with a lower end of the spring bearing against the flange of the lower rod, an upper rod formed with a flange at an intermediate portion and two downwardly extending lugs, the inclined surface of the lower rod being used for limiting rotation angle of the upper rod with respect to the lower rod, a backrest rod being put onto an upper end of the upper rod, the backrest rod extending upwardly through another end of a respective one of the armrests to engage fixedly with the backrest, and an adjusting means connected between the backrest and rear ends of the armrests, thereby providing different posi
    Type: Application
    Filed: October 7, 2002
    Publication date: April 8, 2004
    Inventor: Chin-Chung Yeh
  • Patent number: 6685335
    Abstract: A camping lamp includes a tubular body having a plurality of chambers in each of which is fitted a battery, the tubular body being formed with a through hole close to an end thereof and a notch close to another end thereof, a cap having a protuberance adapted to engage with the notch of the tubular body, a circular contact plate provided with a plurality of springs at one side thereof being fixedly fitted into the first end of the tubular body, with each of the springs contacting an electrode of the battery, a circular circuit board provided with a plurality of light emitting diodes on one side thereof and a switch on another side thereof and fixedly mounted into the tubular body, with the switch protruding out of the through hole of the tubular body for controlling electrical connection between the light emitting diodes and the battery, a tubular transparent sleeve fixedly mounted on the circular circuit board so as to enclose the light emitting diodes therein, a free end of the tubular transparent sleeve ha
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: February 3, 2004
    Inventors: Chin-Chung Yeh, Hsing-Wang Lin
  • Patent number: 6079338
    Abstract: A collapsible leisure table mainly includes a collapsible support portion and a foldable tabletop. The support portion includes four telescopic legs each having an inner tube and an outer tube and four pairs of intersected and pivotally connected diagonal struts. Lower ends of the outer tubes and upper ends of the inner tubes of the telescopic legs as well as lower and upper ends of the diagonal struts are connected to four lower and four upper locating seats, respectively. Two links are pivotally connected at their respective one end to two diagonally opposite upper locating seats. The two links may be located in two long grooves provided on top surfaces of another two upper locating seats with their another right-angled ends firmly hooking to outer ends of the long grooves and thereby lock the diagonal struts in a fully extended and stably erected state.
    Type: Grant
    Filed: August 23, 1999
    Date of Patent: June 27, 2000
    Inventor: Chin-Chung Yeh