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GB546039A
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Improvements in open hearth furnaces
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US2206944A
|
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Furnace construction
|
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US2139729A
|
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Foundation for checkerwork construction
|
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US2152491A
|
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Gas-port cooler
|
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US2102257A
|
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Furnace construction
|
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GB479125A
|
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Improvements in checkerbrick assemblies for furnace regenerators
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US2090832A
|
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Checkerwork construction
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US1942682A
|
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Method of operating open hearth furnaces
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US1769494A
|
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Open-hearth furnace
|
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US1769496A
|
|
Furnace construction
|
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US1769495A
|
|
Furnace
|
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US1901079A
|
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Open hearth furnace
|
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GB325789A
|
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Improvements relating to checkerwork regenerators and bricks for use in the construction thereof
|
|
US1766283A
|
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Checkerwork
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GB242607A
|
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Improvements in the method of construction of open hearth furnace walls
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US1563038A
|
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Method of maintaining open-hearth-furnace walls
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US1769854A
|
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Open-hearth furnace and the like
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US1574797A
|
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Open-hearth furnace
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US1769493A
|
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Open-hearth-furnace port
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US1665086A
|
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Open-hearth furnace
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