ALEXANDRIA, Va., July 15 -- United States Patent no. 12,660,744, issued on June 23, was assigned to Capstan Ag Systems Inc. (Topeka, Kan.).

"Systems and methods for handling fluid for application to agricultural fields" was invented by Jeffrey John Grimm (Holton, Kan.), Andrew Boyd (Lecompton, Kan.) and Kale Schrader (Hiawatha, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for handling a fluid includes separating the fluid into a liquid and a vapor within a container such that at least a portion of the vapor is disposed above the liquid, detecting a level of the liquid in the container, and actuating at least one valve to exhaust the vapor from the container to maintain the level of the liquid...