ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,971, issued on Jan. 13, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Blender" was invented by Dae-yong Kang (Seoul, South Korea) and Jeong-ik Heo (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is a blender which has a pneumatic inspection structure for inspecting whether airtightness is maintained between an outer container body and an inner container body of a container body configured as a double structure. The blender includes the container body in which food is received, a main body provided under the container body and configured to support the container body, and a container lid mounted detachably to ...