(19)

(11)

EP 4 314 535 A1

(12)

(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22782222.8 (22) Date of filing: 31.03.2022

(51) International Patent Classification (IPC):  F02M 35/024(2006.01) F23D 14/68(2006.01) F02M 35/10(2006.01) (52) Cooperative Patent Classification (CPC): F23J 2900/15061; F23L 2900/07007; F23L 7/007; F23J 15/006; B01D 2257/504; B01D 53/04; B01D 53/265; B01D 2258/0283; Y02C 20/40 (86) International application number: PCT/US2022/022853 (87) International publication number: WO 2022/212719 (06.10.2022 Gazette 2022/40)

(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: 31.03.2021 US 202163168794 P 31.03.2021 US 202163168825 P (71) Applicant: CARBONQUEST, INC. Spokane Valley, WA 99214-1223 (US)	(72) Inventors: FUGLEVAND, William, A. Spokane Valley, WA 99212 (US) JOHNSON, Shane Rosalia, WA 99170 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)