US Patent Issued to Coulson Aviation (USA) on Dec. 30 for "Constant flow rate regulating valve assembly for an aerial firefighting bucket" (Canadian Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,456, issued on Dec. 30, was assigned to Coulson Aviation (USA) Inc (Portland, Ore.).

"Constant flow rate regulating valve assembly for an aerial firefighting bucket" was invented by Britton Coulson (Port Alberni, Canada), Brian McDonald (Parksville, Canada), David Lawrence (Courtenay, Canada) and Mike McClellan (Port Alberni, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A firefighting system includes a base plate having an opening and configured to receive a sensor, a top plate spaced apart from the base plate, a valve body disposed between the base plate and the top plate, a plurality of guide rods spaced around the base plate opening and ...