LandOfFree - US Patents - Listing for Furnaces,Utilizing powdered fuel

Coal distribution cone for pulverized coal burners

Furnaces – Utilizing powdered fuel – Having rotary flow means

Coal firing device

Furnaces – Utilizing powdered fuel – Having secondary air mixing means

Coal-burning boiler's ignition burner

Reexamination Certificate

Furnaces – Utilizing powdered fuel – Having rotary flow means

Coal-fired asphalt plant

Combined fluidized bed calciner and pulverized coal boiler and m

Furnaces – Utilizing powdered fuel – Having secondary air mixing means

Combined low NO.sub.x burner and NO.sub.x port

Furnaces – Utilizing powdered fuel – Having secondary air mixing means

Combustion apparatus

Furnaces – Utilizing powdered fuel – Having secondary air mixing means

Combustion apparatus

Furnaces – Utilizing powdered fuel – With residue handling means

Combustion apparatus for granular solid fuel

Combustion system and method for a coal-fired furnace utilizing

Combustor for burning a coal-gas mixture

Furnaces – Utilizing powdered fuel – Having rotary flow means

Combustor for fine particulate coal

Furnaces – Utilizing powdered fuel – Having rotary flow means

Combustor with multistage internal vortices

Furnaces – Utilizing powdered fuel – Having rotary flow means

Combustors

Furnaces – Utilizing powdered fuel – Having rotary flow means

Cyclone detector

Furnaces – Utilizing powdered fuel – Having rotary flow means

Cyclone furnace

Furnaces – Utilizing powdered fuel – Having rotary flow means

Cyclone furnace for retrofit applications

Furnaces – Utilizing powdered fuel – Having rotary flow means

Cyclone separator

Damper with curved extension plates for wide range flow control