ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,480, issued on Dec. 16, was assigned to TRANE INTERNATIONAL INC. (Davidson, N.C.).
"Supplying AC electricity from a photovoltaic system without an electronic power inverter" was invented by Michael Sean Day (Sacramento, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method is provided for supplying alternating current (AC) electricity. The method includes receiving direct current (DC) electricity from a source of electric power at a motorized pump, and converting the DC electricity from the source of electric power to AC electricity. This includes converting the DC electricity to first motive power at the motorized pump to move water from a...