(19)

(11)

EP 4 739 576 A2

(12)

(88) Date of publication A3: 28.08.2025 (43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24886547.9 (22) Date of filing: 08.07.2024

(51) International Patent Classification (IPC):  B64C 25/52(2006.01) B64C 9/00(2006.01) B64C 5/08(2006.01) B64U 50/31(2023.01) B64C 17/02(2006.01) (52) Cooperative Patent Classification (CPC): B64U 50/31; B64U 50/13; B64U 10/25; B64U 30/10; B64U 20/40; B64U 20/70; B64U 30/14; B64U 40/00; B64U 60/00; B64U 60/70; B64U 50/19; B64U 2101/20; B64C 5/02 (86) International application number: PCT/US2024/037028 (87) International publication number: WO 2025/096024 (08.05.2025 Gazette 2025/19)

(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 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 GB 202310411 06.07.2023 US 202363525279 P (71) Applicant: Solaris Suborbital Inc. San Francisco, California 94123 (US)	(72) Inventors: DOULTON, Daniel Michael San Francisco, California 94123 (US) ELSON, Andrew Charles San Francisco, California 94123 (US) (74) Representative: Langley, Peter James  Origin Limited Twisden Works Twisden Road London NW5 1DN London NW5 1DN (GB)