Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 10, 2012
Patent Application Number
11844328
Date Filed
August 23, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present disclosure includes an engine having a torodial piston chamber, at least one piston positioned in the torodial piston chamber, and at least one engine valve positioned to interact with the torodial piston chamber.
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