IP Library › Granted Patent US 1,103,218
Granted Patent S1
US 1,103,218 · App. 29/984,610 · Granted Nov 25, 2025

Filter cartridge

Inventors: Hubert J. Rahn (Minneapolis, MN); David J. Burton (Minneapolis, MN)
Assignee: Donaldson Company, Inc.
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Quick Facts
Patent No.
US 1,103,218
App. No.
29/984,610
Granted
Nov 25, 2025
Kind
S1
Claims (1)

The ornamental design for a filter cartridge as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 5, 2025
From: RAHN, HUBERT J.; BURTON, DAVID J.
To: DONALDSON COMPANY, INC.
Reel/Frame 070113/0021 →
Continuity (4)
Division 29955973 · Aug 5, 2024
Division 29895417 · Jun 21, 2023
Division 29758137 · Nov 12, 2020
Division 29653489 · Jun 15, 2018
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