IP Library › Granted Patent US 1,114,978
Granted Patent S1
US 1,114,978 · App. 35/520,913 · Granted Feb 24, 2026

Filter holder for a filter of a heat recovery ventilation unit

Inventor: Jan Jansen (Dongen, NL)
Assignee: ZEHNDER GROUP INTERNATIONAL AG
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Quick Facts
Patent No.
US 1,114,978
App. No.
35/520,913
Granted
Feb 24, 2026
Kind
S1
Claims (1)

The ornamental design for a filter holder for a filter of a heat recovery ventilation unit as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 28, 2024
From: JANSEN, JAN
To: ZEHNDER GROUP INTERNATIONAL AG
Reel/Frame 067965/0872 →
Priority Claims (2)
CH 147048 · Nov 15, 2022 · national
CH 147353 · Apr 20, 2023 · national
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