ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,652, issued on April 22, was assigned to LG INNOTEK Co. LTD. (Seoul, South Korea).
"Pump having outer gear and inner gear" was invented by Hyun Shik Cho (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "This pump comprises: a housing; a stator which is disposed in the housing and comprises a coil; and pump gears disposed so as to correspond to the stator, wherein the pump gears comprise an outer gear and an inner gear, which is disposed inside the outer gear, and the outer gear is formed of magnetic material."
The patent was filed on Oct. 7, 2020, under Application No. 17/772,624.
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