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US1994290A
|
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Automatic control system for rolling mills
|
|
US1981079A
|
|
Apparatus for handling rolled material
|
|
US2007815A
|
|
Rolling mill
|
|
US1948804A
|
|
Screw-down
|
|
US1981078A
|
|
Rolling mill
|
|
US1821483A
|
|
Rolling mill
|
|
US1644857A
|
|
Reel for strip metal
|
|
US1838330A
|
|
Method of reeling and rolling multiple strip metal
|
|
US1887248A
|
|
Method of rolling strip metal
|
|
US1656892A
|
|
Method of making high-finish sheets
|
|
US1521402A
|
|
Control mechanism for electric furnaces
|
|
US1043260A
|
|
Gain.
|
|
US1026711A
|
|
Sheet-metal insulator-pin.
|
|
US885961A
|
|
Controlling system for hoists.
|
|
US868712A
|
|
Means for controlling the operations of blast-furnace-charging devices.
|
|
US868711A
|
|
Means for controlling the operations of blast-furnace-charging devices.
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