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(11)

EP 4 337 359 A1

(12)

(43) Date of publication: 20.03.2024 Bulletin 2024/12 (21) Application number: 22805261.9 (22) Date of filing: 16.05.2022

(51) International Patent Classification (IPC):  B01D 21/26(2006.01) B01D 36/04(2006.01) B01D 36/02(2006.01) B01D 9/00(2006.01) (52) Cooperative Patent Classification (CPC): B01D 36/04; B01D 9/0059; B01D 9/0018; B01D 9/0054; B01D 9/0036; B01D 9/0063; B01D 9/0027; B01D 11/0492; B01D 11/0488; C01F 11/18; C01C 1/24; C01D 3/04; C01D 7/07; C01G 49/06; C01P 2006/80; C01F 11/46; C01G 49/02; C01F 7/441 (86) International application number: PCT/US2022/029451 (87) International publication number: WO 2022/245733 (24.11.2022 Gazette 2022/47)

(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: 15.05.2021 US 202117321437 (71) Applicant: Davy Powersports Inc. Bainbridge Island, WA 98110 (US)	(72) Inventors: PAPOUCHADO, Lucien, M. Bainbridge Island, WA 98110 (US) SCHEETZ, Barry, E. Bainbridge Island, WA 98110 (US) PASSMORE, Leonard Bainbridge Island, WA 98110 (US) PRESTON, Joseph, D. Bainbridge Island, WA 98110 (US) (74) Representative: Greaves Brewster LLP  Copa House Station Road Cheddar, Somerset BS27 3AH Cheddar, Somerset BS27 3AH (GB)