US Patent Issued on July 14 for "Pipe dredge" (Chinese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. D1,135,262, issued on July 14.

"Pipe dredge" was invented by Haitao Han (Kaifeng, China).

The patent was filed on July 9, 2025, under Application No. D/012,244.

*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=D1135262&OS=D1135262&RS=D1135262

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