Patents by Inventor Christian L. Trudeau

Christian L. Trudeau 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).

  • Ultrasonic fuel gauging system using state machine control
    Patent number: 5400376
    Abstract: Ultrasonic fuel gauging apparatus for a fuel tank having a plurality of ultrasonic fuel level sensors for sensing fuel levels at respective predetermined locations in a tank based on echo ranging; a memory means for storing sensor data; and a state device for interrogating each of the sensors by controlling the application of transmit pulses to each of the sensors and for receiving output signals corresponding to return echoes, the state device operating in response to a sequential state counter.
    Type: Grant
    Filed: April 2, 1993
    Date of Patent: March 21, 1995
    Assignee: Simmonds Precision Products, Inc.
    Inventor: Christian L. Trudeau