(19)

(11)

EP 4 065 794 A1

(12)

(43) Date of publication: 05.10.2022 Bulletin 2022/40 (21) Application number: 20891886.2 (22) Date of filing: 04.11.2020

(51) International Patent Classification (IPC):  E04G 5/00(2006.01) E04G 5/08(2006.01) E04G 1/17(2006.01) (52) Cooperative Patent Classification (CPC): E04G 11/28; E04G 11/22 (86) International application number: PCT/IB2020/020070 (87) International publication number: WO 2021/105771 (03.06.2021 Gazette 2021/22)

(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: 27.11.2019 US 201962941306 P (71) Applicant: Om Engineering Pty Ltd Burleigh Heads QLD 4220 (AU)	(72) Inventor: MORK, Oliver Burleigh Heads QLD 4220 (AU) (74) Representative: Osha Liang  2, rue de la Paix 75002 Paris 75002 Paris (FR)