(19)

(11)

EP 3 874 095 A2

(12)

(88) Date of publication A3: 23.07.2020 (43) Date of publication: 08.09.2021 Bulletin 2021/36 (21) Application number: 19798556.7 (22) Date of filing: 29.10.2019

(51) International Patent Classification (IPC):  E02F 5/14(2006.01) E02F 9/08(2006.01) E02D 17/13(2006.01) (86) International application number: PCT/EP2019/079568 (87) International publication number: WO 2020/089251 (07.05.2020 Gazette 2020/19)

(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: 29.10.2018 GB 201817664 29.10.2018 GB 201817665 29.10.2018 GB 201817666 29.10.2018 GB 201817668 29.10.2018 GB 201817669 (71) Applicant: Mastenbroek Ltd. Boston, Lincolnshire PE21 7JG (GB)

(72) Inventor: GEELHOED, Jack Boston Lincolnshire PE21 7JG (GB) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)