Patents by Inventor Terence Brian Dawkins

Terence Brian Dawkins 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).

  • Internal-combustion engines
    Patent number: 4114585
    Abstract: A spark-ignition four-stroke gasoline engine, of the commonly mass-produced type having a plurality of cylinders provided each with two poppet valves mounted in a cylinder-head of the engine and constituting respectively an inlet valve, for passing a fuel-air mixture to the cylinder, and an exhaust valve for passing exhaust gases to an exhaust manifold of the engine, is given exhaust valves which are at least 7% greater in area than the inlet valves.
    Type: Grant
    Filed: August 30, 1974
    Date of Patent: September 19, 1978
    Assignee: Terrytune Developments Limited
    Inventor: Terence Brian Dawkins