US Patent Issued to Techtronic Cordless GP on Sept. 23 for "Vacuum cleaner" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,475, issued on Sept. 23, was assigned to Techtronic Cordless GP (Anderson, S.C.).

"Vacuum cleaner" was invented by Hui Shu Liu (Dongguan, China) and Yun Qiang Xin (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum cleaner comprising a handpiece, a brush, a rod, and a pivotal assembly that connects the handpiece and the brush. The pivotal assembly comprises a pivotal tube and a pivotal saddle, the pivotal saddle being pivotally connected to the brush about a first axis such that the pivotal saddle is turnable back and forth relative to the brush; the pivotal tube and the pivotal saddle are pivotally connected about a second axi...