ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,572, issued on April 21, was assigned to Rescue Air Systems Inc. (San Carlos, Calif.).

"Method and system of automatically modifying a rate of filling an air bottle with breathable air in a firefighter air replenishment system based on flow rate detection thereof" was invented by Anthony J. Turiello (Westlake, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are methods and a safety system implemented within a structure of automatic modification of a rate of filling an air bottle with breathable air in the safety system. In accordance therewith, an air fill charge rate controller device is coupled to the breathable air from a source t...