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(11)

EP 4 816 779 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898745.5 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  G01K 11/26(2006.01) H05B 3/68(2006.01) H04W 4/38(2018.01) H05B 1/02(2006.01) H05B 6/06(2006.01) (52) Cooperative Patent Classification (CPC): G01N 29/4427; G01N 29/2437; G01G 19/52; G01K 7/04; G01N 29/46 (86) International application number: PCT/US2024/057705 (87) International publication number: WO 2025/117710 (05.06.2025 Gazette 2025/23)

(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: GE KH MA MD TN (30) Priority: 30.11.2023 US 202363604771 P (71) Applicant: One Hearth, Inc. Sunnyvale, California 94087 (US)	(72) Inventors: GODDARD, Gregory Russ Carmel, Indiana 46032 (US) QUAH, Peng Chau Kirkland, Washington 98034 (US) HANUSCHIK, Michael Sunnyvale, California 94087 (US) (74) Representative: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte  Am Brauhaus 8 01099 Dresden 01099 Dresden (DE)