ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,238, issued on July 1.

"Apparatus and method to utilize compressed air for moving mass between tanks" was invented by Matthew Higgins (Albuquerque, N.M.) and Niklas H. Altenberg (Flagstaff, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method of using compressed air to move fluid thereby creating a gravity differential of suspended fluid tanks. The apparatus comprises a first tank, a second tank, a glide track, a glide car, an air compressor, a diaphragm pump, an air storage vessel, and a brake system. Fluid is pumped from one tank to the other tank, thus causing the two tanks to rise and lower accordingly. The rotational forc...