Patents by Inventor Jin-Chang Sohn

Jin-Chang Sohn 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: 5171143
    Abstract: A safety lighter includes a fuel supply chamber which holds a supply of ignitable gas, a fuel supply nozzle/valve arrangement which supplies the ignitable gas from the chamber to an ignition location; a piezoelectric assembly for generating an electric spark; a wire electrode for supplying the electric spark to the ignition location; a spring-loaded plunger for actuating the piezoelectric element upon depression thereof; an actuating button for depressing the plunger to supply the electric spark to the ignition location; a pivot pin mounted to the actuating button to permit rotation of the actuating button about an axis thereof between an inoperable position at which the button cannot actuate the piezoelectric element and an operable position at which the button can actuate the piezoelectric element; an elongated slot in the housing for guiding the pivot pin and actuating button in a reciprocable manner between an inactive position at which the actuating button does not actuate the piezoelectric element and a
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: December 15, 1992
    Assignee: Myung Sung Ltd.
    Inventor: Jin-Chang Sohn