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(11)

EP 3 638 853 A1

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(43) Date of publication: 22.04.2020 Bulletin 2020/17 (21) Application number: 18818290.1 (22) Date of filing: 18.06.2018

(51) International Patent Classification (IPC):  E02D 3/02(2006.01) E02D 3/08(2006.01) E02D 5/30(2006.01) E02D 5/38(2006.01) E02D 3/054(2006.01) E02D 3/12(2006.01) E02D 5/34(2006.01) (86) International application number: PCT/US2018/038048 (87) International publication number: WO 2018/232391 (20.12.2018 Gazette 2018/51)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 16.06.2017 US 201762520621 P (71) Applicant: Geopier Foundation Company, Inc. Davidson, North Carolina 28036 (US)	(72) Inventors: WHITE, David, J. Davidson, North Carolina 28036 (US) WISSMANN, Kord, J. Davidson, North Carolina 28036 (US) CARTER, Lake Davidson, North Carolina 28036 (US) (74) Representative: HGF Limited  Saviour House 9 St. Saviourgate York YO1 8NQ York YO1 8NQ (GB)