Patents by Inventor James W. Baird

James W. Baird 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).

  • Rotary valve assembly used with reciprocating engines
    Patent number: 5410996
    Abstract: An improved rotary valve assembly that is rotated by chain, belt or gears that are driven by a reciprocating engine which has intake and exhaust rotary valves that have ports and interior channels that are sequentially positioned to allow the intake and exhaust of gases and alternatively seals the combustion chamber. The rotary valve ports and intake and exhaust ports may be varied axially and circumferential to change the engine time and gas volume capacity of the engine.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: May 2, 1995
    Inventor: James W. Baird