Offering steam generators based on direct contact combustion heat transfer process, HydroFlame Technologies LLC designs, develops, and commercializes energy solutions primarily to heavy oil and bitumen production companies. The firm provides solutions for various pressures of operations and surface/downhole applications. In August 2012, firm filed for Chapter 11. Subsequently in November 2013, the assets of HydroFlame Technologies LLC were acquired by Hong Kong based King Stone Energy Group Limited and since November 2013, HydorFlame operates as operates as a subsidiary of that firm