ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,512, issued on Feb. 3, was assigned to Charles Abernethy Anderson (Millarville, Canada).
"Apparatus and method for creating tunable pressure pulse" was invented by Josh Campbell (Calgary, Canada) and Christian Fay (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methodologies herein relate to downhole tools capable of creating a vibration, and more particularly for creating and controllably adjusting tunable pressure pulses for imparting vibration to a downhole drill string. Various pressure pulse settings, and corresponding performance parameters, may be selected by controllably restricting fluid flow through the apparat...