ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,038, issued on June 24, was assigned to OHMIQ INC. (North Charleston, S.C.).
"Ohmic heater with flow rate measurement" was invented by Jeremiah M. Callahan (Sullivan's Island, S.C.) and Michael J. Wieckowski (Charleston, S.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flowmeter for measuring flow of a conductive liquid includes a structure (20, 220) defining a flow path, electrodes in the flow path and electrodes (34a, 34b, 234a, 234b) exposed within the flow path. An electrical circuit (40, 240) applies a voltage between the electrodes so that an electrical current flows along a conduction path between the electrodes within a liquid flowing i...