US Patent Issued to Shenzhen Jiadi Bicycle on Sept. 8 for "Oil drain plug" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. D1,147,064, issued on Sept. 8, was assigned to Shenzhen Jiadi Bicycle Co. Ltd. (Shenzhen, China).

"Oil drain plug" was invented by Jianfeng Zou (Dongguan, China).

The patent was filed on Sept. 12, 2025, under Application No. D/022,825.

*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=D1147064&OS=D1147064&RS=D1147064

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