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(11)

EP 4 062 000 A1

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(43) Date of publication: 28.09.2022 Bulletin 2022/39 (21) Application number: 20807058.1 (22) Date of filing: 19.11.2020

(51) International Patent Classification (IPC):  E03F 1/00(2006.01) A01K 63/00(2017.01) C02F 3/32(2006.01) E02D 17/04(2006.01) (52) Cooperative Patent Classification (CPC): C02F 3/327; E03F 1/001; E02D 17/04; Y02W 10/10 (86) International application number: PCT/EP2020/082727 (87) International publication number: WO 2021/099488 (27.05.2021 Gazette 2021/21)

(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: 19.11.2019 NL 2024264 (71) Applicant: Field Factors B.V. 2628 CS Delft (NL)	(72) Inventors: KOK, Willem, Jonathan 2600 AA DELFT (NL) SNOEK, Cornelia, Mirthe 2600 AA DELFT (NL) (74) Representative: EP&C  P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)