(19)

(11)

EP 4 515 256 A1

(12)

(43) Date of publication: 05.03.2025 Bulletin 2025/10 (21) Application number: 23797336.7 (22) Date of filing: 28.04.2023

(51) International Patent Classification (IPC):  G01R 27/02(2006.01) G01R 27/06(2006.01) G01R 27/26(2006.01) G01R 19/02(2006.01) G01R 19/252(2006.01) G01R 27/04(2006.01) G01R 27/16(2006.01) G01R 31/08(2020.01) G01R 19/25(2006.01) G01R 19/255(2006.01) (52) Cooperative Patent Classification (CPC): G01R 22/068; G01R 27/18; G01R 31/52 (86) International application number: PCT/US2023/020327 (87) International publication number: WO 2023/212280 (02.11.2023 Gazette 2023/44)

(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: 29.04.2022 US 202263336752 P 23.01.2023 US 202363336752 P (71) Applicant: Aclara Technologies LLC St. Louis, Missouri 63146 (US)

(72) Inventors: BERCHIN, Gregory Wright City, MO 63390 (US) PIYASINGHE, Lakshan, Prageeth St. Charles, MO 63304 (US) TRIPATHI, Kartikeya Clarksburg, MD 20871 (US) KREMER, Lawrence, R. St. Peters, MO 63376 (US) CHIPPA, Mukesh, Kumar Aurora, OH 44202 (US) RIEKEN, David, W. Hazelwood, MO 63042 (US) (74) Representative: Wilson Gunn  Centurion House 129 Deansgate Manchester M3 3WR Manchester M3 3WR (GB)