In case anyone else is following along, a patent by Pringle has had a very intriguing set of assignments.

Started out with the corporation by Pringle and Co in 2009, rest is below:

2009: GREENTECH ENERGY SOLUTIONS LTD.

2010: UNIVERSAL ALTERNATIVE FUELS, INC.

2011: GORTAGCH DEVELOPMENT LIMITED

2015: GREENTECH ENERGY SOLUTIONS LTD.

Pringle also has a 2020 patent application pending that references the 2006 original filing.

[Edit] Thank you forgot it

2006: https://patents.google.com/patent/US7629497B2/ 2020: https://patents.google.com/patent/US20200399541A1/en