(19)

(11)

EP 4 444 614 A1

(12)

(43) Date of publication: 16.10.2024 Bulletin 2024/42 (21) Application number: 21836464.4 (22) Date of filing: 10.12.2021

(51) International Patent Classification (IPC):  B64C 3/50(2006.01) B64C 31/02(2006.01) B64C 3/14(2006.01) (52) Cooperative Patent Classification (CPC): B64C 3/50; B64C 3/14; B64C 31/02 (86) International application number: PCT/EP2021/085323 (87) International publication number: WO 2023/104323 (15.06.2023 Gazette 2023/24)

(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 (71) Applicant: Achleitner, Johannes 4070 Eferding (AT)	(72) Inventor: Achleitner, Johannes 4070 Eferding (AT) (74) Representative: Eisenführ Speiser  Patentanwälte Rechtsanwälte PartGmbB Gollierstraße 4 80339 München 80339 München (DE)