|
US723094A
|
|
Furnace-charging apparatus.
|
|
US722066A
|
|
Automatic rail gripping or locking device for electric cranes.
|
|
US778614A
|
|
Gas-producer.
|
|
US713029A
|
|
Mechanism for stripping and handling ingots.
|
|
US711089A
|
|
Hot-blast stove.
|
|
US738076A
|
|
Delivery mechanism for ore-bins.
|
|
US710640A
|
|
Brake.
|
|
US716769A
|
|
Ore storage and delivery bin.
|
|
US698235A
|
|
Coke-loading apparatus.
|
|
US731231A
|
|
Wharf-crane.
|
|
US676633A
|
|
Crane.
|
|
US698283A
|
|
Reversing-valve for regenerative gas-furnaces.
|
|
US674772A
|
|
Gas-producer.
|
|
US689673A
|
|
Gas-producer.
|
|
US676643A
|
|
Manufacture of open-hearth steel.
|
|
US682512A
|
|
Open-hearth steel-furnace.
|
|
US660032A
|
|
Coke-loading machine.
|
|
US666123A
|
|
Furnace-charging apparatus.
|
|
US643988A
|
|
Crane.
|
|
US682957A
|
|
Fuel-feeding mechanism for blast-furnaces.
|
