Patents by Inventor Daniel D. Barnard

Daniel D. Barnard 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).

  • Patent number: 4117807
    Abstract: For use with internal combustion engines equipped with electronic fuel injection systems and engine exhaust treatment devices, means for detecting spark plug misfiring resulting in excessive exhaust treatment device operating temperatures and for thereupon inhibiting fuel injection to protect the exhaust treatment devices from damage or destruction caused by the excessive temperatures.
    Type: Grant
    Filed: February 2, 1977
    Date of Patent: October 3, 1978
    Assignee: The Bendix Corporation
    Inventor: Daniel D. Barnard