ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,026, issued on Aug. 11, was assigned to GEORGIA TECH RESEARCH COPORATION (Atlanta).
"Drilling apparatus, drill bit, and method for testing drill bit performance" was invented by Sheng Dai (Atlanta) and Yumeng Zhao (Atlanta).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drilling apparatus, drill bit and method for testing drill bit performance. The drilling apparatus and method include a vertical load mechanism that is configured to move a sample container holding a substrate material downwardly at a constant displacement rate toward a drill bit component, while a rotary motion assembly rotates the drill bit component. The drill bit includes a plur...