ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,196, issued on Jan. 20, was assigned to ALDERON INDUSTRIES LLC (Hawley, Minn.).
"Spring actuated float switch" was invented by Robert Gordon Klabunde (Frazee, Minn.) and Alexander Richard Guetter (Detroit Lakes, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A float switch assembly for use in actuating a switch to operate a pump to control the level of a fluid in a tank. A float switch assembly for operating a pump to control the level of a fluid in a tank based in part on the angle of the float switch caused by the varying fluid level. A system for controlling a level of a fluid in a tank, the system including a pump fluidly coupled to the ta...