The Vortex Engine is protected by a PCT patent application with 32 claims.

The claims have met the International Preliminary Examination patentability requirements.

Patents have been allowed in the United States and in Canada.

Link to United States patent US 7,086,823 via USPTO web site

Link to United States patent US 7,086,823 via Google Patent web site

Link to Canadian patent CA 2460564

Link to International Patent Application WO03025395

Link to Continuation International Patent Application WO2008014596 A1