Patents by Inventor Chang-Feng Chuang

Chang-Feng Chuang 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: 20040187932
    Abstract: A timer for a gas stove comprises a pipe, a linking rod, a plunger and a timer, wherein the linking rod is inserted into the pipe and is activated by the timer. When the timer is on, the linking rod is pushed downward, and an exhale and an inhale of the pipe are in an open status for gas to flow therethrough. When the timer is off, the exhale and the inhale are closed, thus gas is blocked from flowing within the pipe.
    Type: Application
    Filed: March 25, 2003
    Publication date: September 30, 2004
    Inventor: Chang-Feng Chuang
  • Patent number: 5528982
    Abstract: A gas-cooker frame is provided. The gas-cooker frame includes a gas-cooker stand, a drain frame and several springs. The gas-cooker stand is disposed on the gas-cooker base. The upper end of the gas-cooker stand has an open tube-shape. The stand has a base-plate with a central hole formed therein to form an open passage for providing a space for a gas flame. Several brackets are disposed around the interior of the gas-cooker stand for suspension of a drain frame by springs. The drain frame has a collector ring with drain grooves extending obliquely downward therefrom. The springs maintain the collector ring of the drain frame in contact with the bottom of a pot placed thereon.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: June 25, 1996
    Inventor: Chang-Feng Chuang