ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,991, issued on Feb. 4, was assigned to Canada Pipeline Accessories Co. Ltd. (Calgary, Canada).
"Proverless liquid hydrocarbon flow measurement for pipeline" was invented by Blaine Sawchuk (De Winton, Canada), Dale Sawchuk (Calgary, Canada) and Daniel Sawchuk (Chestermere, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for operating a flow meter in a pipeline includes at least one flow conditioner or mixer installed in a pipeline; at least one volumetric flow meter installed downstream from the at least one flow conditioner or mixer for measuring velocity of a fluid in the pipeline; a pair pressure transmitters for measuring fluid pres...