Air-jet furnace
Apparatus for improving the operation of oil-fired boilers
Boiler liner for oil- or gas-fired boilers as well as procedure
Condensing furnace
Cooking system
Fiber brick and burner with such fiber brick
Forced draft mixer and burner assembly with pressure distributio
Furnace component constituting a passage for gases escaping from
Gas fuel burner
Gas turbulator
Low NO.sub.x gas burner
Multi-flame fuel burner for liquid and gaseous fuels
NO.sub.x flame spreader for an inshot burner
NOx reduction device
Perforated flame deflector
Vehicle heater and controls therefor
Wall fired duct heater
Waste oil fired heater with improved two-stage combustion chambe