IP Library › Granted Patent US 1,122,433
Granted Patent S1
US 1,122,433 · App. 29/978,014 · Granted Apr 14, 2026

Elbow duct for an integrated check valve

Inventor: Shawn Alstad (Phoenix, AZ)
Assignee: HONEYWELL INTERNATIONAL INC.
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Quick Facts
Patent No.
US 1,122,433
App. No.
29/978,014
Granted
Apr 14, 2026
Kind
S1
Claims (1)

The ornamental design for an elbow duct for an integrated check valve, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 11, 2024
From: ALSTAD, SHAWN
To: HONEYWELL INTERNATIONAL INC.
Reel/Frame 069550/0756 →
References Cited (9)
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US D1013155S · Luo · 2024 [cited by examiner]
US D1013860S · Luo · 2024 [cited by examiner]
US D1069846S · DiNunzio · 2025 [cited by examiner]