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US1249864A
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Manufacture of coal-gas.
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GB191514143A
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Improvements in or relating to the Supply of Air for Combustion in the Heating of Gas Retorts.
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GB191505611A
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Improvements in or relating to Retorts.
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GB191406113A
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Improved Means for Charging Vertical Retorts and the like.
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GB191406112A
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Improvements in Vertical Retorts.
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US1103112A
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Process and apparatus for the treatment of coal, shale, or the like in vertical retorts.
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GB191221991A
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Improved Process and Apparatus for the Treatment of Coal, Shale or the like in Vertical Retorts.
|
|
GB191205184A
|
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Improvements in or relating to Gas Piping.
|
|
GB191119555A
|
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An Improved Means for the Withdrawal of Coke from Vertical Retorts used in the Distillation of Gas Coal.
|
|
US982320A
|
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Vehicle.
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GB190902073A
|
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Improvements in or relating to Vehicles.
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GB190518218A
|
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Improvements relating to the Utilization of Waste Heat in Coke.
|
|
GB190324756A
|
|
Improved Means for Discharging Coke from Coke Retorts and Cooling the same.
|
|
GB190309505A
|
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Improvements in the Manufacture of Coal Briquettes.
|
|
CA81758A
|
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Method of briquetting coal
|
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US720088A
|
|
Method of briquetting coal.
|
|
GB190200186A
|
|
Improvements in and relating to Furnaces for Gas Retorts and the like.
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