US Patent Issued to Beijing Roborock Technology on Sept. 1 for "Filter of cleaning appliance" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. D1,146,195, issued on Sept. 1, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).

"Filter of cleaning appliance" was invented by Wei Zhang (Beijing), Jinpeng Zheng (Beijing) and Fanwei Meng (Beijing).

The patent was filed on March 7, 2025, under Application No. D/524,476.

*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=D1146195&OS=D1146195&RS=D1146195

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