US2009151609A1
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Incinerator with pivoting grating system
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US4883003A
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Secondary combustion chamber for an incinerator
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Air supply apparatus for an incinerator
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Ash removal apparatus for an incinerator
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Improved stack construction for an incinerator
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US4379433A
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Incinerator
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US4417546A
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Heat recovery system for an incinerator
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Material treating apparatus utilizing an auger having an internal air supply and heat transfer system
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Combustion apparatus utilizing an auger having an integral air supply system
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US4291633A
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Incinerator
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Incinerator and smoke-consuming apparatus
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US3044460A
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Heater construction
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CA616598A
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Heater construction
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CA724934A
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Heating apparatus
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