Patents by Inventor Wu Chang Li-Chen

Wu Chang Li-Chen 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: 20040171289
    Abstract: An electrical connector is mounted in an outer container of an electrical cooking device for electrical connection with an inner container. The connector includes a casing in which two receiving slots are defined. Two resilient conductive plates are arranged inside the casing and are selectively connected with an external power source. A slide lid is movably arranged inside the casing and is biased by a spring toward a closed position where the slide lid closes the receiving slots. Two driving blocks are formed on the slide lid and corresponding in position to the receiving slots. Each driving block has an inclined surface. The inner container includes an electrical heating element forming two terminal pins, which get into the slots when the inner container is deposited into the outer container.
    Type: Application
    Filed: March 1, 2003
    Publication date: September 2, 2004
    Inventor: Wu Chang Li-Chen
  • Patent number: 6727477
    Abstract: A temperature controller includes temperature-adjusting device and a heating device. A plurality of magnet pieces and magnet attractive pads are respectively provided to terminal faces of the temperature-adjusting device and the heating device respectively for inducing magnetic attraction between the temperature-adjusting device and the heating device for enhancing the mounting force therebetween.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: April 27, 2004
    Assignee: Lyu Jan Co., Ltd.
    Inventor: Wu Chang Li-Chen
  • Patent number: 6708603
    Abstract: A frying pot includes a container for receiving therein frying oil, a screen body rotatably and movably received in the container, a casing with an escalating device mounted therein to control the movement and rotation of the screen body. With the rotation and movement of the screen body in the container that is received in the casing, the amount of the frying oil is saved.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: March 23, 2004
    Assignee: Lyu Jan Co., Ltd.
    Inventor: Wu Chang Li-Chen