US Patent Issued to QINGDAO AUGREENER ELECTRONIC TECHNOLOGY on Sept. 29 for "Oxygen concentrator" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,150,468, issued on Sept. 29, was assigned to QINGDAO AUGREENER ELECTRONIC TECHNOLOGY Co. LTD (Qingdao, China).

"Oxygen concentrator" was invented by Tongshuai Liu (Qingdao, China) and Xinhui Dong (Qingdao, China).

The patent was filed on July 15, 2025, under Application No. D/013,051.

*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=D1150468&OS=D1150468&RS=D1150468

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