Reverse-flow condensing economizer and heat recovery method
Reversible, wear-resistant ash screw cooler section
Rib-reinforced oil lamp vaporizer tube
Ribbon burners
Rich fume incinerator
Rich quick mix combustion system
Rigitano clean smoke system i
Ring-shaped turbine engine combustion chamber with improved...
Rocker grates
Rocking head for portable lighting devices such as lighters...
Roll out furnace grate
Roller supporting means for long retracting soot blowers
Roller supporting means for long retracting sootblowers
Roof jack for furnace
Roof support assembly for chimneys
Rotary burner for solid fuel
Rotary combustor wall and method of forming same
Rotary continuous ash discharge stoker
Rotary drum incinerator
Rotary grate