(19)

(11)

EP 4 090 801 A1

(12)

(43) Date of publication: 23.11.2022 Bulletin 2022/47 (21) Application number: 20704981.8 (22) Date of filing: 16.01.2020

(51) International Patent Classification (IPC):  E03D 5/10(2006.01) (52) Cooperative Patent Classification (CPC): E03D 5/105; G07C 3/00; E03D 5/10 (86) International application number: PCT/US2020/013866 (87) International publication number: WO 2021/145879 (22.07.2021 Gazette 2021/29)

(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 (71) Applicant: Hydraze, Inc. Potomac MD 20854 (US)	(72) Inventor: GRODY, Charles Dylan Potomac, Maryland 20854 (US) (74) Representative: Graham Watt & Co LLP  St. Botolph's House 7-9 St. Botolph's Road Sevenoaks TN13 3AJ Sevenoaks TN13 3AJ (GB)