ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,003, issued on June 17, was assigned to OSHKOSH Corp. (Oshkosh, Wis.).
"Fluid delivery system for a fire apparatus" was invented by David Fieber (Neenah, Wis.), Brian Piller (Neenah, Wis.) and Chad Trinkner (Neenah, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ratio controller includes a housing defining a mixing chamber. The housing has a water inlet configured to receive water from a water supply, an agent inlet configured to receive agent from an agent supply, an outlet configured to output an agent-water solution, a first pressure port extending through a sidewall of the housing at a first position proximate the water inlet, and a secon...