Patents by Inventor Ming Che Lu

Ming Che Lu 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).

  • Pressure monitor used within the cavity to be monitored
    Patent number: 6439057
    Abstract: A pressure sensor in a pressure container is introduced to detect pressure difference by comparing an unknown internal pressure with a predetermined pressure of an air-tight chamber. Upon the existence of the pressure difference, a signal to show whether the inside pressure is higher or lower than the predetermined one can be provided for taking further relative measures.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: August 27, 2002
    Inventors: Ming Che Lu, Kuen Tai Liu