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EP 4 739 581 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24835503.4 (22) Date of filing: 17.03.2024

(51) International Patent Classification (IPC):  B64U 10/13(2023.01) B64D 5/00(2006.01) B64D 1/10(2006.01) B64U 101/69(2023.01) (52) Cooperative Patent Classification (CPC): B64U 10/13; B64D 5/00; B64D 1/10; B64U 2101/61; B64U 2101/67; B64D 1/22 (86) International application number: PCT/IB2024/052576 (87) International publication number: WO 2025/008683 (09.01.2025 Gazette 2025/02)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 06.07.2023 RU 2023117909 (71) Applicant: Andreev, Pavel Ruslanovich St. Petersburg, 191025 (RU)	(72) Inventor: Andreev, Pavel Ruslanovich St. Petersburg, 191025 (RU) (74) Representative: Keller Schneider Patent- und Markenanwälte AG  Monbijoustrasse 68 Postfach 3000 Bern 14 3000 Bern 14 (CH)