Patents by Inventor Robert L. Perry

Robert L. Perry 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: 6629573
    Abstract: A new and improved air powered vehicle and power plant therefore which include an engine having an engine block and at least one cylinder therein. A piston is mounted for reciprocation within the cylinder and the cylinder is provided with an air inlet valve, and exhaust valve and an intake valve. The piston within the cylinder is connected to a crank shaft. The valves are also operatively connected to the crank shaft whereupon the valves are opened and closed in sequence as the crank shaft rotates whereby time blasts of air may be introduced into the cylinder through said air intake valve and air may be exhausted through the exhaust valve to rotate the crank shaft.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: October 7, 2003
    Inventor: Robert L. Perry