(19)

(11)

EP 4 816 688 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 23833946.9 (22) Date of filing: 28.11.2023

(51) International Patent Classification (IPC):  F02K 9/68(2006.01) (52) Cooperative Patent Classification (CPC): F02K 9/68; F05D 2260/38; F05D 2250/41; F05D 2300/6032 (86) International application number: PCT/US2023/081332 (87) International publication number: WO 2025/116889 (05.06.2025 Gazette 2025/23)

(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: KH MA MD TN (71) Applicant: RocketForce Technologies LLC Melbourne, FL 32919 (US)	(72) Inventor: JAKUBEK, Matthew Sacramento, California 95813-6000 (US) (74) Representative: Dehns  10 Old Bailey London EC4M 7NG London EC4M 7NG (GB)