Patents by Inventor Suh-Yuh Cheng

Suh-Yuh Cheng 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).

  • PTC electric heating element assembly
    Patent number: 5263115
    Abstract: An improved PTC electric heating element assembly comprises a heating element of a ceramic material with positive temperature coefficient, two insulating elements with different thickness, and four metal sheets, which are arranged in a stack to firmly join together by a fastening means fixed on the bottom of a container. The opposite sides of the heating element are contacted by metal sheets having electrodes which are connected to electric wires to effectively conduct the heat produced to the container.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: November 16, 1993
    Assignee: Industrial Technology Research Institute
    Inventors: Pin-Win Kauo, Ching-Iuan Sheu, Yun-Tien Chen, Suh-Yuh Cheng