US Patent Issued to Ningbo Beixu Tools on July 28 for "Pipeline dredging machine" (Chinese Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,926, issued on July 28, was assigned to Ningbo Beixu Tools Co. Ltd (Yuyao City, China).

"Pipeline dredging machine" was invented by Yanjie Chen (Yuyao City, China).

The patent was filed on May 26, 2025, under Application No. D/005,370.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1137926&OS=D1137926&RS=D1137926

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