ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,681, issued on June 24.
"Visual indication of tank level and performance" was invented by Richard J. Vanek (Summerland Key, Fla.), Rodney Montrose (Pensacola, Fla.) and Donald Conner (El Dorado, Ark.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments herein disclose a system for visually displaying information related to a fluid level in an above-ground storage tank, which may be enhanced to visually indicate the performance of selected tank sub-system(s). The system includes the above-ground storage tank adapted to store fluid, having a first sensor located in the tank. The sensor is in communication with a fluid indicator that provides a v...