ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,557, issued on June 10, was assigned to Omachron Intellectual Property Inc. (Hampton, Canada).
"Portable surface cleaning apparatus" was invented by Wayne Ernest Conrad (Hampton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hand vacuum cleaner has a housing comprising a first portion that houses a suction motor. A cyclone unit is positioned in an air flow passage upstream from the suction motor. The cyclone unit comprises a cyclone and a dirt collection region that is positioned forward of the cyclone. The cyclone unit front end has an openable door. The cyclone air outlet comprises an assembly which includes a screen. The assembly is mov...