ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,557,952, issued on Feb. 24, was assigned to iRobot Corp. (Bedford, Mass.).
"Asymmetric wheel for mobile cleaning robot" was invented by Fangzheng Guo (Bedford, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An autonomous mobile cleaning robot can include a cleaning assembly and a drive wheel. The cleaning assembly can be configured to lift debris from a surface and direct the debris into a dustpan. The drive wheel can be configured to move the autonomous mobile cleaning robot on the surface. The drive wheel can include a first set of treads configured to climb an obstacle, a second set of treads configured to maintain continuous contact with a sur...