Fiber treatment oven with adjustable gates

Firing furnace and firing method

Firing liquid and gaseous fuels for a circulating fluidizing bed

Firing of lime sludge reburning kilns with a solid fuel

Flange and coupling cooling means and method

Flash smelting furnace

Flatbaking method and apparatus

Flue gas control

Flue seal for a carbon anode baking furnace

Flueless, low NO.sub.x, low CO space heater

Fluid bearing transfer and heat treating apparatus and method

Fluid control

Fluid shielded burner tip for use with a glass melting furnace

Fluidization aid

Fluidized bed system

Fluidized-bed heat-treatment process and apparatus for use in a

Forced cooling apparatus for heat treatment apparatus

Fuel saving apparatus and method for textile drying and finishin

Fuel-burner apparatus and method for use in a furnace

Furnace channel heating method and apparatus