(19)

(11)

EP 4 823 706 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24828977.9 (22) Date of filing: 11.12.2024

(51) International Patent Classification (IPC):  B01D 46/00(2022.01) B01D 46/52(2006.01) B01D 46/10(2006.01) (52) Cooperative Patent Classification (CPC): B01D 46/10; B01D 46/52; B01D 46/521; B01D 46/523; B01D 46/0001; B01D 2265/04; B01D 2265/06 (86) International application number: PCT/US2024/059529 (87) International publication number: WO 2025/128676 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 14.12.2023 US 202363610010 P 08.11.2024 US 202463718045 P (71) Applicant: Baldwin Filters, Inc. Cleveland, OH 44124 (US)	(72) Inventors: WICK, Charles R. Pleasanton, Nebraska 68866 (US) RITCHIE, Simon D. Kearney, Nebraska 68845 (US) CALCATERRA, Farrell Kearney, Nebraska 68847 (US) WITTE, Joshua W. Kearney, Nebraska 68845 (US) DEXTER, Levi W. Elm Creek, Nebraska 68836 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)