US Patent Issued to BEIJING ROBOROCK TECHNOLOGY on Oct. 20 for "Dust box, automatic cleaning apparatus and dust collection pile" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,731, issued on Oct. 20, was assigned to BEIJING ROBOROCK TECHNOLOGY Co. LTD. (Beijing).

"Dust box, automatic cleaning apparatus and dust collection pile" was invented by Hongliang Xu (Beijing), Guang Yu (Beijing), Chuanlin Duan (Beijing), Dahong Gong (Beijing) and Yongfei Zhou (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a dust box, an automatic cleaning apparatus and a dust collection pile. The dust box includes: a dust box body including a bottom wall and sidewalls disposed around edges of the bottom wall, the sidewalls extend from the bottom wall away from the bottom wall, the bottom wall and the sidewalls define an accom...