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US1223801A
|
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Water-cooled floor structure.
|
|
US1187067A
|
|
Method of making annealing-boxes.
|
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US1191518A
|
|
Hollow sheet-metal furnace-door structure.
|
|
US1191519A
|
|
Water-cooled furnace-door frame.
|
|
US1168648A
|
|
Hollow sheet-metal structure.
|
|
US1187066A
|
|
Annealing-box.
|
|
US1168649A
|
|
Furnace-door frame.
|
|
US1168647A
|
|
Hollow sheet-metal structure.
|
|
US1203748A
|
|
Flue and valve arrangement for reversing regenerator-furnaces.
|
|
US1143284A
|
|
Furnace protection.
|
|
US1118429A
|
|
Furnace-door frame.
|
|
US1118428A
|
|
Furnace-door frame.
|
|
US1118358A
|
|
Furnace-door frame.
|
|
US1102198A
|
|
Reversing regenerative furnace.
|
|
US1085139A
|
|
Reversing regenerative furnace.
|
|
US1151192A
|
|
Blast-furnace construction.
|
|
US1087124A
|
|
Valve and flue arrangement for reversing regenerative furnaces.
|
|
US1096197A
|
|
Reversing mechanism for regenerative reversing-furnaces.
|
|
US1102197A
|
|
Water-cooled valve or damper.
|
|
US1102196A
|
|
Water-cooled damper or valve.
|
