(19)

(11)

EP 3 688 398 A2

(12)

(88) Date of publication A3: 16.05.2019 (43) Date of publication: 05.08.2020 Bulletin 2020/32 (21) Application number: 18816214.3 (22) Date of filing: 26.09.2018

(51) International Patent Classification (IPC):  F28F 9/18(2006.01) F28D 1/053(2006.01) F28F 1/26(2006.01) F28D 1/02(2006.01) F28D 1/047(2006.01) F28F 1/02(2006.01) F28F 1/34(2006.01) (86) International application number: PCT/IB2018/001190 (87) International publication number: WO 2019/064067 (04.04.2019 Gazette 2019/14)

(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: KH MA MD TN (30) Priority: 26.09.2017 US 201762563382 P (71) Applicant: Quesada Saborio, Carlos San Jose 1000 (CR)	(72) Inventor: Quesada Saborio, Carlos San Jose 1000 (CR) (74) Representative: Rupprecht, Kay  Meissner Bolte Patentanwälte Rechtsanwälte Partnerschaft mbB Widenmayerstraße 47 80538 München 80538 München (DE)