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EP 3 969 130 A1

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(43) Date of publication: 23.03.2022 Bulletin 2022/12 (21) Application number: 20804867.8 (22) Date of filing: 13.05.2020

(51) International Patent Classification (IPC):  A62C 5/02(2006.01) A62D 1/00(2006.01) A62D 1/08(2006.01) A62C 35/68(2006.01) A62D 1/02(2006.01) (52) Cooperative Patent Classification (CPC): A62C 5/02; A62C 5/002; B01F 23/451; B01F 25/314; B01F 35/8331 (86) International application number: PCT/US2020/032653 (87) International publication number: WO 2020/232105 (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: 15.05.2019 US 201962848079 P 15.05.2019 US 201962848192 P 15.05.2019 US 201962848293 P 12.05.2020 US 202015930052 12.05.2020 US 202015930109 12.05.2020 US 202016872939 (71) Applicant: Minimax Viking Research & Development GmbH 23840 Bad Oldesloe (DE)

(72) Inventors: SCHEFFERS, Derek, J. Mattawan, MI 49071 (US) FERERE, Marc, S. Grand Rapids, MI 49503 (US) FEENSTRA, Shawn, J. Caledonia, MI 49316 (US) (74) Representative: Göken, Klaus G.  Eisenführ Speiser Patentanwälte Rechtsanwälte PartGmbB Am Kaffee-Quartier 3 DE-28217 Bremen DE-28217 Bremen (DE)