US Patent Issued to INTRADIN (QINGDAO) MACHINERY, INTRADIN (HUZHOU) INTELLIGENT TECHNOLOGY on Oct. 20 for "Suction-crushing-sweeping integrated machine" (Chinese Inventors)

Posted On: 2026-10-21

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,154,722, issued on Oct. 20, was assigned to INTRADIN (QINGDAO) MACHINERY Co. LTD. (Qingdao, China) and INTRADIN (HUZHOU) INTELLIGENT TECHNOLOGY Co. LTD. (Huzhou City, China).

"Suction-crushing-sweeping integrated machine" was invented by Junfeng Li (Qingdao, China) and Renjie Wang (Qingdao, China).

The patent was filed on Sept. 5, 2025, under Application No. D/021,539.

*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=D1154722&OS=D1154722&RS=D1154722

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US Patent Issued to INTRADIN (QINGDAO) MACHINERY, INTRADIN (HUZHOU) INTELLIGENT TECHNOLOGY on Oct. 20 for "Suction-crushing-sweeping integrated machine" (Chinese Inventors)