(19)

(11)

EP 3 969 850 A1

(12)

(43) Date of publication: 23.03.2022 Bulletin 2022/12 (21) Application number: 20726060.5 (22) Date of filing: 13.05.2020

(51) International Patent Classification (IPC):  G01D 21/00(2006.01) G01D 3/08(2006.01) G01N 33/00(2006.01) G01N 21/00(2006.01) G01D 3/036(2006.01) G01N 27/27(2006.01) G01N 33/18(2006.01) (52) Cooperative Patent Classification (CPC): G01N 27/27; G01D 21/00; G01D 3/0365; G01D 3/08 (86) International application number: PCT/EP2020/063259 (87) International publication number: WO 2020/229506 (19.11.2020 Gazette 2020/47)

(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: 14.05.2019 FI 20195399 (71) Applicant: Uros Technology S.à r.l. 9053 Ettelbruck (LU)	(72) Inventors: RAHIKAINEN, Ilkka 90530 Oulu (FI) KORKIAKOSKI, Jari 90530 Oulu (FI) (74) Representative: Kolster Oy Ab  Salmisaarenaukio 1 P.O. Box 204 00181 Helsinki 00181 Helsinki (FI)