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(11)

EP 4 473 797 A1

(12)

(43) Date of publication: 11.12.2024 Bulletin 2024/50 (21) Application number: 22706260.1 (22) Date of filing: 01.02.2022

(51) International Patent Classification (IPC):  H05B 3/34(2006.01) B21F 27/00(2006.01) F24D 13/02(2006.01) (52) Cooperative Patent Classification (CPC): H05B 3/34; H05B 2203/026; F24D 13/024 (86) International application number: PCT/EP2022/052284 (87) International publication number: WO 2023/147836 (10.08.2023 Gazette 2023/32)

(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 (71) Applicant: Heattalent Company B.V. 7037 DZ Beek (Montferland) (NL)	(72) Inventor: SPEIJERS, Sam 6587 AX Middelaar (NL) (74) Representative: Klavers, Cornelis  Matjeskolk 23 7037 DZ Beek (Gemeente Montferland) 7037 DZ Beek (Gemeente Montferland) (NL)