Patents by Inventor Hong-Tsuan Chang

Hong-Tsuan Chang 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: 4693285
    Abstract: An automatic container-filling device for filling solid foodstuff into containers includes: apparatus for feeding solid foodstuff into the automatic container-filling device; apparatus for directing the flow of the solid foodstuff to a predetermined position, including a plurality of parallel solid foodstuff flow paths each of which is connected by a vibrating inclined channel with a flow control valve set, a collecting basket functionally connected to a load cell, and a funnel; apparatus for transporting the containers to beneath the funnels; apparatus for transporting the containers filled with a predetermined amount of the solid foodstuff out of the automatic container-filling device, and an automatic control system including a CPU (central processing unit) for controlling the entire filling process from entrance of the solid foodstuff and containers into the automatic container-filling device to exit from the automatic container-filling device of the containers filled a predetermined amount of the solid f
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: September 15, 1987
    Inventor: Hong-Tsuan Chang
  • Patent number: 4591698
    Abstract: An electric dual and quick cooking utensil includes, as usual, an outer casing, an inner pot movably provided in the outer casing, and a hood detachably coupled with the upper rim of the outer casing with respect to the inner pot. In addition to a grip and a plurality of air vents integrally formed thereto, the hood includes a metal hub, a hollow pipe, and a first heater respectively installed therein for baking operation. A pair of magnetic-type switches separately installed on the hood and the outer casing for providing power supply to the first heater. A hollow base is integrally coupled with the lower portion of the outer casing with a plurality of plates separately provided in the upper portion of the hollow base. A second heater and a blowing fan are respectively disposed on the plates, and a sensing device coupled with an IC board is installed in a round plate in conjunction with the inner pot.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: May 27, 1986
    Inventor: Hong-Tsuan Chang