Cyclone has the following patents issued in the United States:

Heat Regenerative Engine (US Patent No. 7,080,512 B2)  Read the patent
Heat Regenerative Engine (Continuation) (US Patent No. 7,856,822 B2)
Steam Generator in a Heat Regenerative Engine (US Patent No. 7,407,382)  Read the patent
Engine Reversing and Timing Control Mechanism (US Patent No. 7,784,280 B2) Read the patent
Centrifugal Condenser (US Patent No. 7,798,204 B2) Read the patent
Valve Controlled Throttle Mechanism (US Patent No. 7,730,873 B2) Read the patent
Pre-Heater Coil in a Heat Regenerative Engine (US Patent No 7,856,823 B2) Read the patent
Engine Shrouding with Air to Air Exchanger (Ser. No. 11/879,586) Read the patent
Spider Bearing (Ser. No. 11/879,589)
Waste Heat Engine (Ser. No. 12/291,001)   

International Patents 
Issued , allowed or pending patents:

European Union Russia Korea Brazil (pending)

Australia South Africa Indonesia  Japan (pending)

Canada China Mexico India (pending)

 

Trademarks:
Cyclone Power
Cyclone Power Technologies
WHE
WHE.Generation
Generation WHE
One Planet One Engine