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(11)

EP 4 255 803 A1

(12)

(43) Date of publication: 11.10.2023 Bulletin 2023/41 (21) Application number: 21816513.2 (22) Date of filing: 26.11.2021

(51) International Patent Classification (IPC):  B64C 31/036(2006.01) B64D 17/02(2006.01) B64C 39/02(2023.01) (52) Cooperative Patent Classification (CPC): B64C 31/036; B64D 2045/0085; B64C 39/024; B64U 10/50 (86) International application number: PCT/GB2021/053080 (87) International publication number: WO 2022/123211 (16.06.2022 Gazette 2022/24)

(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: 07.12.2020 GB 202019233 (71) Applicant: Animal Dynamics Limited Oxford, Oxfordshire OX4 2SU (GB)	(72) Inventors: D'MELLOW, Melanie Oxford, Oxfordshire OX4 2SU (GB) THOMAS, Adrian Oxford, Oxfordshire OX4 2SU (GB) (74) Representative: Forresters IP LLP  Skygarden Erika-Mann-Straße 11 80636 München 80636 München (DE)