(19)

(11)

EP 4 816 105 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24840956.7 (22) Date of filing: 02.12.2024

(51) International Patent Classification (IPC):  B09B 1/00(2006.01) E02B 3/12(2006.01) E01C 13/08(2006.01) E02D 17/20(2006.01) (52) Cooperative Patent Classification (CPC): B09B 1/004; E01C 13/08; E02D 17/202; E02B 3/126 (86) International application number: PCT/US2024/058087 (87) International publication number: WO 2025/117951 (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: GE KH MA MD TN (30) Priority: 02.12.2023 US 202363605506 P (71) Applicant: Watershed Geosynthetics LLC Alpharetta, GA 30009 (US)	(72) Inventors: LEWIS, William Delaney Downsville, Louisiana 71234 (US) DAVIS III, Carl M. Canton, Georgia 30114 (US) (74) Representative: Reddie & Grose LLP  The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)