Patents by Inventor Guillermo E. Todd

Guillermo E. Todd 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).

  • Engine chip detector
    Patent number: 4127808
    Abstract: A transistorized engine chip detection system including a milliammeter to give a visual indication of chip buildup and a full light to operate at a critical preset level, utilizing a voltage divider network, a decrease in resistance in the chip detector will cause an increase in current flow, and subsequent lighting of a warning light. A short circuit or large chip would turn light on and give full scale meter reading, broken or unplugged harness turns light on and gives zero meter reading.
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: November 28, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Robert D. Sproul, Guillermo E. Todd