IP Library › Granted Patent US 1,109,292
Granted Patent S1
US 1,109,292 · App. 35/522,789 · Granted Jan 13, 2026

Quick coupling unit for piping

Inventor: Toshio Tsutsui (Hyogo, JP)
Assignee: Nabtesco Service Co., Ltd.
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Quick Facts
Patent No.
US 1,109,292
App. No.
35/522,789
Granted
Jan 13, 2026
Kind
S1
Claims (1)

The ornamental design for a quick coupling unit for piping as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 5, 2025
From: TSUTSUI, TOSHIO
To: NABTESCO SERVICE CO., LTD.
Reel/Frame 073133/0273 →
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