|
US1035892A
|
|
Gas-cleaner.
|
|
US955651A
|
|
Gas-cleaner.
|
|
US821425A
|
|
Gas-cleaner.
|
|
US784748A
|
|
Gas-washer.
|
|
US738828A
|
|
Chimney-valve for stoves or furnaces.
|
|
GB190214017A
|
|
Improvements relating to Blast Furnaces
|
|
GB190212122A
|
|
Improvements relating to Blast Furnace Tops
|
|
US704556A
|
|
Furnace-top down-comer and explosion-pipe.
|
|
US711062A
|
|
Metallurgical furnace.
|
|
US700963A
|
|
Blast-furnace top.
|
|
US689981A
|
|
Apparatus for handling blast-furnace slag.
|
|
US706841A
|
|
Casting apparatus.
|
|
GB189920807A
|
|
Improvements in and relating to Air and Gas Valves for Furnaces.
|
|
GB189910778A
|
|
Improvements in and relating to Steam Boilers.
|
|
US689735A
|
|
Annealing-box.
|
