(19)

(11)

EP 3 918 142 A1

(12)

(43) Date of publication: 08.12.2021 Bulletin 2021/49 (21) Application number: 20707335.4 (22) Date of filing: 29.01.2020

(51) International Patent Classification (IPC):  E03C 1/04(2006.01) F24H 1/10(2006.01) E03C 1/05(2006.01) F24H 9/20(2006.01) (52) Cooperative Patent Classification (CPC): E03C 1/0412; E03C 1/0411; F24H 1/101; E03C 1/055; F24H 9/2028 (86) International application number: PCT/NL2020/050047 (87) International publication number: WO 2020/159364 (06.08.2020 Gazette 2020/32)

(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 (30) Priority: 29.01.2019 NL 2022472 (71) Applicant: Inventum Beheer B.V. 3991 CS Houten (NL)	(72) Inventors: VERBREE, Richard Gerrit Jan 3708 ZT Zeist (NL) VERKADE, Crispijn Floor 1215 RS Hilversum (NL) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)