(19)

(11)

EP 4 259 985 A1

(12)

(43) Date of publication: 18.10.2023 Bulletin 2023/42 (21) Application number: 21839670.3 (22) Date of filing: 10.12.2021

(51) International Patent Classification (IPC):  F24F 13/065(2006.01) F24F 13/12(2006.01) (52) Cooperative Patent Classification (CPC): F24F 13/065; F24F 13/12 (86) International application number: PCT/IB2021/061568 (87) International publication number: WO 2022/123517 (16.06.2022 Gazette 2022/24)

(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: 11.12.2020 BE 202005912 (71) Applicant: Prado Europe 8620 Nieuwpoort (BE)	(72) Inventor: RENSON, Thibault Louis 8620 Nieuwpoort (BE) (74) Representative: Brantsandpatents bv  Pauline Van Pottelsberghelaan 24 9051 Ghent 9051 Ghent (BE)