(19)

(11)

EP 3 209 964 A1

(12)

(43) Date of publication: 30.08.2017 Bulletin 2017/35 (21) Application number: 15851768.0 (22) Date of filing: 21.10.2015

(51) International Patent Classification (IPC):  F28D 15/00(2006.01) F28D 21/00(2006.01) F28D 15/02(2006.01) F28F 99/00(2006.01) (86) International application number: PCT/US2015/056766 (87) International publication number: WO 2016/065074 (28.04.2016 Gazette 2016/17)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 21.10.2014 US 201462066585 P (71) Applicant: Green Heating System Corp Houston, Texas 77007 (US)	(72) Inventor: SHADY, Ahmed Dokki Cairo (EG) (74) Representative: Orr, Robert  Urquhart-Dykes & Lord LLP Arena Point Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)