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GB344920A
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An improved method of and apparatus for heating stills or coke ovens with hot gases
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GB300195A
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Improvements in and relating to the briquetting of fuels
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GB321283A
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Improvements in and relating to the distillation of coal
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GB288264A
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An improved method of producing coke
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DE492150C
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Process for briquetting fuels using fuels with various baking and brewing properties
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US1775570A
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Apparatus for the carbonization of fuel
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DE497714C
|
|
Process for smoldering coal
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DE460864C
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Smoldering furnace
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US1737681A
|
|
Retort for carbonizing bituminous fuels
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DE466086C
|
|
Device for the entry of Schwelgut
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DE460863C
|
|
Smoldering furnace
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DE460862C
|
|
Smoldering furnace
|
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DE476396C
|
|
Device for introducing material into pressure vessels
|
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DE459824C
|
|
Smoldering process
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DE485713C
|
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Rolling device for heating gases
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CA285352A
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Fuel distillation apparatus
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CA282484A
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Distilling mechanism
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CA283562A
|
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Fuel carbonizing method
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CA283912A
|
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Fuel distillation
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