Patents by Inventor John Gilbert Spoonamore

John Gilbert Spoonamore 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).

  • System for maintaining level of oil in engine
    Patent number: 4107984
    Abstract: A fluid flow system for delivering a fluid selectively from a supply tank and a scavenge tank to an internal combustion engine. The system includes pumping means for normally supplying the fluid from the supply tank to the engine and valve means for closing the output of the supply tank upon the presence of any fluid within the scavenge tank such that the pumping means supplies the fluid from the scavenge tank to the engine.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: August 22, 1978
    Assignee: Dana Corporation
    Inventors: Ronald James Unger, John Gilbert Spoonamore