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EP 4 327 065 A1

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(43) Date of publication: 28.02.2024 Bulletin 2024/09 (21) Application number: 22724101.5 (22) Date of filing: 22.04.2022

(51) International Patent Classification (IPC):  G01M 5/00(2006.01) G01B 11/16(2006.01) G02B 6/38(2006.01) G01M 11/08(2006.01) G01L 1/24(2006.01) (52) Cooperative Patent Classification (CPC): G01M 11/086; G01M 5/0091; G01L 1/243; G02B 6/3636; G01B 11/18 (86) International application number: PCT/EP2022/060663 (87) International publication number: WO 2022/223766 (27.10.2022 Gazette 2022/43)

(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: 23.04.2021 US 202163179096 P (71) Applicant: Politecnico di Milano 20133 Milano (IT)	(72) Inventors: AIROLDI, Alessandro Antonio 20146 Milano (IT) BETTINI, Paolo 20831 Seregno (MB) (IT) DI MAURO, Sebastiano 20123 Milano (IT) RIGAMONTI, Daniela 23900 Lecco (LC) (IT) DADRAS, Mohammad Medhi 2000 Neuchatel (CH) (74) Representative: Cevini, Gaia et al Marchi & Partners S.r.l. Via Vittor Pisani, 13 20124 Milano 20124 Milano (IT)