US Patent Issued on July 7 for "Fire extinguisher valve" (Chinese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. D1,133,313, issued on July 7.

"Fire extinguisher valve" was invented by Ningxiang He (Wenzhou, China) and Min Ling (Shanghai).

The patent was filed on Aug. 6, 2025, under Application No. D/016,768.

*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=D1133313&OS=D1133313&RS=D1133313

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