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EP 4 547 994 A1

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(43) Date of publication: 07.05.2025 Bulletin 2025/19 (21) Application number: 23835993.9 (22) Date of filing: 27.06.2023

(51) International Patent Classification (IPC):  F16L 37/18(2006.01) (52) Cooperative Patent Classification (CPC): F16L 37/18 (86) International application number: PCT/US2023/026281 (87) International publication number: WO 2024/010713 (11.01.2024 Gazette 2024/02)

(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: KH MA MD TN (30) Priority: 02.07.2022 US 202217856990 25.07.2022 US 202217872836 (71) Applicants: Hartman, Jeffrey Mobile, AL 36619 (US) Williamson, George, L. Fairhope, AL 36533 (US)	(72) Inventors: Hartman, Jeffrey Mobile, AL 36619 (US) Williamson, George, L. Fairhope, AL 36533 (US) (74) Representative: Valet Patent Services Limited  c/o Caya 83713X Am Börstig 5 96052 Bamberg 96052 Bamberg (DE)