US Patent Issued to Double EE Service & Supply on June 17 for "Ratiometric system for autonomous lubrication of production equipment" (North Dakota Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,666, issued on June 17, was assigned to Double EE Service & Supply Co. (Williston, N.D.).

"Ratiometric system for autonomous lubrication of production equipment" was invented by Warren Daniel Sundet (Williston, N.D.), Kyle Collins Knox (Williston, N.D.) and Taylor Linn Oxendahl (Williston, N.D.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ratiometric system for autonomous lubrication of oilwell production equipment. In one arrangement a lubrication pump is fluidly connected to a stuffing box on an oilwell pumping unit. The interval for lubrication and the duration of lubrication is managed by an event sequencer that is electrically connected to ...