ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,604, issued on March 11, was assigned to Atlas Copco IAS GmbH (Bretten, Germany).

"Method and system with acceleration based flow drill screw control" was invented by Nicholas Dornik (Canton, Mich.), Garret Sankey Huff (Ann Arbor, Mich.) and Amanda Kay Freis (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of installing a flow drill screw (FDS) into a substrate includes engaging the FDS with an automatic tool, operating the tool at a first setting to drive the FDS into the substrate by causing flow of the substrate to permit the FDS to penetrate the substrate, and switching the automatic tool from the first setting to a sec...