ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,593, issued on April 8, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Refrigerator" was invented by Kyong Bae Park (Seoul, South Korea), Sangbok Choi (Seoul, South Korea) and Sungwook Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator includes a first heater, a second heater, and a third heater, and the third heater is located inside a frost detection flow path and generates heat. Accordingly, during a defrosting operation, the inside of the frost detection flow path may be prevented from being blocked. Or freezing of the frost check sensor provided in the frost detection flow path may be prevented."
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