ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,207,787, issued on Jan. 28, was assigned to Kyndryl Inc. (New York).

"Debris signature-based robotic cleaning device navigation" was invented by Caleb Miles (Columbia, Mo.), Shikhar Kwatra (San Jose, Calif.), Vijay Ekambaram (Chennai, India) and Padmanabha Venkatagiri Seshadri (Mysore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Debris signature-based robotic cleaning device navigation includes operating the robotic cleaning device in a first mode as part of a vacuum cycle, the device including suction ports configurable for different suction power levels and each port having a suction path along which debris entering through the suction port i...