ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,999, issued on June 2, was assigned to FIREDOS GMBH (Germany).

"Admixing system for fire-extinguishing systems and method for operating such an admixing system" was invented by Andreas Hulinsky (Dresden, Germany) and Alexander Schlepp (Buseck, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An admixing system for fire-extinguishing installations is provided for generating a mixture (premix) of extinguishing medium and extinguishing medium additive by admixing an extinguishing medium additive to an extinguishing medium. The admixing system has a motor that can be driven by a flow of extinguishing medium, an admixing pump that is connected to th...