Quick change blow lance

Quick connect-disconnect coupling for blast furnace tap hole dri

Quick fluid injection assembly replacement in metallurgical reac

Radial cold trap

Radial-flow distributor for wide uniform nonturbulent non-dribbl

Radius attachment for automated welding and cutting torch carria

Ramming mix for forming a mullite-corundum lining within a found

Rapid surface cooling of solder droplets by flash evaporation

Rapid thermochemical treatment automatic installation

Reaction vessel for processing steel

Reaction vessel for smelting iron ore and method

Reactor for iron making

Reactor with extractable feed nozzle

Receptacle for molten metals, material for this receptacle and m

Reclamation of metal from scrap

Recovery of gold and silver from mine-run dumps or crushed ores

Recycle burner system

Reduced dusting bath system for metallurgical treatment of sulfi

Reduced emissions metal melting furnace

Reduced iron discharger in rotary hearth reducing furnace