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(11)

EP 4 259 987 A2

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(88) Date of publication A3: 25.08.2022 (43) Date of publication: 18.10.2023 Bulletin 2023/42 (21) Application number: 21851884.3 (22) Date of filing: 14.12.2021

(51) International Patent Classification (IPC):  F24S 30/42(2018.01) F24S 25/632(2018.01) H02S 20/32(2014.01) F24S 25/70(2018.01) F24S 25/636(2018.01) (52) Cooperative Patent Classification (CPC): F24S 30/425; F24S 30/428; F24S 2030/15; F24S 2030/19; F24S 25/70; F24S 2025/015; F24S 25/632; F24S 25/636; H02S 20/32; F24S 40/85; F24S 2030/12; Y02E 10/47; Y02E 10/50 (86) International application number: PCT/US2021/063267 (87) International publication number: WO 2022/132739 (23.06.2022 Gazette 2022/25)

(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: 14.12.2020 US 202063125333 P 13.12.2021 US 202117549639 13.12.2021 US 202117549644 13.12.2021 US 202117549646 13.12.2021 US 202117549648 13.12.2021 US 202117549652 13.12.2021 US 202117549655 13.12.2021 US 202117549657 13.12.2021 US 202117549659 (71) Applicant: Nevados Engineering, Inc. San Francisco, CA 94107 (US)

(72) Inventors: TAHA, Yezin San Francisco, California 94107 (US) GILL, Amitoj San Francisco, California 94107 (US) SVERCHEK, Laura San Francisco, California 94107 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)