Colin Copeland, Robert Ceen, Simon Jones. Inverted brayton cycle heat engine. United States. US20180371954A1. Patent Pending
Colin D Copeland, Robert Ceen, Simon L. Jones, Andrew Robert Jones. Turbine for use with at least two working fluids. United Kingdom. EP3635222A1. Patent Pending
Charles Capon Geoff, Witt Dennis, Copeland D. Colin, Akehurst Sam. A hot gas pulse generator and a turbocharger testing apparatus including same. United Kingdom. GB2536760A. Patent Granted