Patents by Inventor Ewell R. Reed

Ewell R. Reed 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).

  • Fluid intake and exhaust assemblies for positive displacement apparatus
    Patent number: 4218994
    Abstract: Disclosed are intake and exhaust assemblies for forced air intake, reciprocating piston, internal combustion engine. Alternate embodiments of the air intake valve assembly include a hollow tube defining the intake port with means operatively coupling the tube and piston to respectively open and close the intake port in response to the reciprocation of the piston. The exhaust valve assembly includes operatively interrelated valve stem, spring retainer, rocker arm, and camming assemblies for alternatingly opening and closing the exhaust port for predetermined time intervals.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: August 26, 1980
    Inventor: Ewell R. Reed