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(11)

EP 4 426 966 A1

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(43) Date of publication: 11.09.2024 Bulletin 2024/37 (21) Application number: 22888574.5 (22) Date of filing: 01.11.2022

(51) International Patent Classification (IPC):  F23D 14/82(2006.01) F23N 1/04(2006.01) F23D 14/14(2006.01) (52) Cooperative Patent Classification (CPC): F23D 14/82; F23D 14/28; F23D 14/58; F23N 1/025; F23N 2239/04; F23N 2241/08; F23C 2900/9901 (86) International application number: PCT/US2022/079024 (87) International publication number: WO 2023/077142 (04.05.2023 Gazette 2023/18)

(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: KH MA MD TN (30) Priority: 01.11.2021 US 202163274264 P (71) Applicant: Zero Emission Industries, Inc. Alameda, California 94501 (US)	(72) Inventors: PRATT, Joseph Alameda, California 94501 (US) TRUSH, Franklin Alameda, California 94501 (US) TERLIP, Daniel Alameda, California 94501 (US) MOTLOW, John M. Alameda, California 94501 (US) AINSCOUGH, Christopher D. Alameda, California 94501 (US) (74) Representative: Lloyd, Robin Jonathan et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)