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US2435318A
|
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Water-cooled port structure for tilting hearth furnaces
|
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US2433781A
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Ore roaster
|
|
US2346442A
|
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Door operating mechanism for tilting furnaces
|
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US2395569A
|
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Hot metal mixer
|
|
US2340193A
|
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Receiving hopper structure for hot metal mixers
|
|
US2341054A
|
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Free flow hot metal ladle
|
|
US2334019A
|
|
Screw box and cover for hot metal mixers
|
|
US2166663A
|
|
Operating mechanism for tilting receptacles
|
|
US2067883A
|
|
Ladle structure
|
|
US2057356A
|
|
Drive mechanism for hot metal mixers and the like
|
|
US1933743A
|
|
Heating furnace and method of forming the same
|
|
US1771241A
|
|
Hot-metal mixer
|
|
US1778619A
|
|
Manufacture of dump cars
|
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US1815605A
|
|
Hot metal mixer
|
|
US1678455A
|
|
Hot-metal mixer
|
|
US1250840A
|
|
Jack-car.
|
|
US1254035A
|
|
Hot-metal mixer.
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US947197A
|
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Dumping-car.
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