ALEXANDRIA, Va., July 30 -- United States Patent no. D1,086,047, issued on July 29, was assigned to ABB BEIJING DRIVE SYSTEMS Co. LTD. (Beijing).
"Cold plate frequency converter" was invented by Yuqin Yuan (Beijing), Quanhong Zhou (Beijing) and Zhimin Sun (Beijing).
The patent was filed on Oct. 31, 2023, under Application No. D/906,123.
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