ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,363, issued on June 30, was assigned to Mopeka Products LLC (New Braunfels, Texas).

"Tank sensors" was invented by Joel Reese Moore (New Braunfels, Texas), Jonathan Louis Kaufmann (Shavano Park, Texas) and Jason Duane Peck (Leander, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of measuring a level of fluid in a tank can include transmitting an energy pulse from an emitter mounted to a wall of the tank and detecting a plurality of return pulses at a detector mounted to the wall of the tank. A plurality of periods between the pulses can be calculated or timed. In at least one embodiment, at least two of the periods can be scored or we...