US Patent Issued to Maplebear on Nov. 3 for "Shopping cart self-tracking in an indoor environment" (Chinese, American Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,282, issued on Nov. 3, was assigned to Maplebear Inc. (San Francisco).

"Shopping cart self-tracking in an indoor environment" was invented by Lin Gao (Miami), Yilin Huang (Shanghai), Shiyuan Yang (Shanghai), Xiaofei Zhou (Shanghai), Kaiyang Chu (Shanghai) and Sikun Zhu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shopping cart's tracking system determines a baseline location of the shopping cart at a first timestamp with a wireless device located on the shopping cart detecting one or more external wireless devices (e.g., RFID tags). The shopping cart's tracking system receives wheel motion data from one or more wheel sensors coupled to ...