IP Library › Granted Patent US 1,137,926
Granted Patent S1
US 1,137,926 · App. 30/005,370 · Granted Jul 28, 2026

Pipeline dredging machine

Inventor: Yanjie Chen (Yuyao City, CN)
Assignee: Ningbo Beixu Tools Co., Ltd
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Quick Facts
Patent No.
US 1,137,926
App. No.
30/005,370
Granted
Jul 28, 2026
Kind
S1
Claims (1)

The ornamental design for a pipeline dredging machine, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 10, 2026
From: CHEN, YANJIE
To: NINGBO BEIXU TOOLS CO., LTD
Reel/Frame 074914/0080 →
Priority Claims (1)
CN 202430750472.3 · Nov 27, 2024 · national
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