(19)
(11) EP 4 770 782 A1

(12)

(43) Date of publication:
08.07.2026 Bulletin 2026/28

(21) Application number: 24769211.4

(22) Date of filing: 27.08.2024
(51) International Patent Classification (IPC): 
B01D 46/52(2006.01)
(52) Cooperative Patent Classification (CPC):
B01D 46/527; B01D 46/0001
(86) International application number:
PCT/US2024/044029
(87) International publication number:
WO 2025/049472 (06.03.2025 Gazette 2025/10)
(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: 01.09.2023 US 202363536313 P

(71) Applicant: Donaldson Company, Inc.
Bloomington, MN 55431 (US)

(72) Inventors:
  • MITCHELL, Nicholas A.
    Bloomington, Minnesota 55431 (US)
  • SALA, Mark A.
    Bloomington, Minnesota 55431 (US)
  • MCKENNEY, Thomas J.
    Bloomington, Minnesota 55431 (US)

(74) Representative: Oryon NV 
Tavernierkaai 2
2000 Antwerp
2000 Antwerp (BE)

   


(54) FILTER CARTRIDGE MEDIA WITH A VARIABLE WINDING BEAD