ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,762, issued on Nov. 3, was assigned to PILLAR Corp. (Osaka, Japan).

"Magnetic levitation type pump" was invented by Yu Notoji (Osaka, Japan) and Kohei Yamauchi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A volute portion of a casing in a magnetic levitation type pump has a top wall, a bottom wall, and a circumferential wall. The top wall has a radially inner wall portion that is placed with a gap on one side in an axial direction with respect to an impeller, and a radially outer wall portion that is placed on an outer side in a radial direction with respect to the impeller. A volute flow path in which a transport fluid that has flowe...