CH19975A
(en )
1900-11-15
Furnace for steel making
CH27697A
(en )
1904-02-15
Electric channel for iron electrometallurgy
FR846E
(en )
1903-04-04
Electric furnace for electrometallurgy of iron or its compounds
CH25044A
(en )
1903-03-31
Plant for the electrometallurgical treatment of iron ore
FR329644A
(en )
1903-08-04
Reverberation furnace for melting iron
FR863E
(en )
1903-04-22
Electric furnace for electrometallurgy of iron or its compounds
FR318283A
(en )
1902-10-11
Electric furnace for electrometallurgy of iron or its compounds
FR762E
(en )
1903-03-13
Electric furnace for electrometallurgy of iron or its compounds
CH24126A
(en )
1902-11-15
Crucible furnace
FR342078A
(en )
1904-08-26
Assembly sleeve for iron bars
FR322978A
(en )
1903-02-20
Method and apparatus for the manufacture of cast iron, semi-steel, iron and steel
CH24682A
(en )
1903-02-15
Industry for the manufacture of electric accumulator plates
FR336605A
(en )
1904-03-14
Advanced furnace for the manufacture of ore briquettes
CH23246A
(en )
1902-06-30
Refractory brick
FR337589A
(en )
1904-04-15
Deck furnace for steel fabrication
CH20111A
(en )
1900-11-30
Soldering iron
FI1450A
(en )
1901-04-12
Förenklad vattenvärmare "National"
FR255E
(en )
1902-12-01
Process for making a cast iron resembling steel
CA71844A
(en )
1901-06-18
Smoothing iron
CA73353A
(en )
1901-10-15
Smoothing iron
ES28759A1
(en )
1901-12-16
A process for the electrometallurgy of iron and its compounds by the triple furnace.
GB190122334A
(en )
1902-10-23
Improvements relating to Furnaces.
CA74204A
(en )
1901-12-24
Smelting furnace
CA72759A
(en )
1901-08-20
Smelting furnace
CA71937A
(en )
1901-06-25
Apparatus for treating molten iron