ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,150, issued on Sept. 2, was assigned to Aloft Sensor Technologies LLC (Indianapolis).

"Devices, systems, and methods for measuring fluid level using radio-frequency (RF) localization" was invented by Ryan Kincaid (Indianapolis) and David Brown (New Palestine, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are devices, systems, and methods for accurately determining fluid level using Ultra Wideband (UWB) positioning or localization. UWB utilizes a radio-frequency (RF) technology to enable the accurate measurement of the time-of-flight of a radio signal and UWB positioning can operate in Time-Difference-of-Arrival (TDoA) mode, Tw...