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EP 4 816 760 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24801608.1 (22) Date of filing: 11.11.2024

(51) International Patent Classification (IPC):  F28D 15/02(2006.01) F28D 15/04(2006.01) F28D 7/10(2006.01) B33Y 80/00(2015.01) F28F 21/08(2006.01) F28D 21/00(2006.01) (52) Cooperative Patent Classification (CPC): F28D 15/046; F28F 21/08; B33Y 80/00; F28D 15/0275; F28D 2021/0054; F28D 7/10 (86) International application number: PCT/EP2024/081876 (87) International publication number: WO 2025/113970 (05.06.2025 Gazette 2025/23)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 30.11.2023 EP 23213462 (71) Applicant: Starwarden B.V. 5552 EP Valkenswaard (NL)	(72) Inventors: MAASSEN, Nick 5612 AE EINDHOVEN (NL) DAVALOS SEGURA, Stephanie 5612 AE EINDHOVEN (NL) (74) Representative: De Vries & Metman  Overschiestraat 180 1062 XK Amsterdam 1062 XK Amsterdam (NL)