FR342101A
(en )
1904-08-31
Electric furnace for transforming cast iron into steel
FR336748A
(en )
1904-03-16
Improvements in the manufacture of wick carbon for the electric arc
FR3327E
(en )
1904-10-21
Improvements in the manufacture of blast furnace slag bricks
FR3550E
(en )
1904-12-03
Electric furnace for transforming cast iron into steel
CH30230A
(en )
1904-11-30
Electric furnace for transforming cast iron into steel
FR318777A
(en )
1902-10-27
Improvements in the manufacture of castings, in blast furnace cast iron, primary
FR337967A
(en )
1904-05-04
Nickel-chromed cast iron
FR334737A
(en )
1903-12-30
Improvements in the manufacture of blast furnace slag bricks
FR365208A
(en )
1906-09-05
Electric furnace for the treatment of gas by the arc subjected to electrodynamic or electromagnetic actions
FR336313A
(en )
1904-03-05
Induced current electric furnace
FR2457E
(en )
1904-04-07
Induced current electric furnace
FR361627A
(en )
1906-09-17
Electric induction furnace using high frequency currents
CH34633A
(en )
1906-05-15
Electric arc furnace
FR336782A
(en )
1904-03-17
Furnace for irons
CH16117A
(en )
1898-09-30
Electric furnace for the production of metal carbides
CH36835A
(en )
1907-03-15
Advanced electric furnace for steel fabrication
FR334421A
(en )
1903-12-21
Oven for heating irons
FR329644A
(en )
1903-08-04
Reverberation furnace for melting iron
FR347600A
(en )
1905-03-15
Crucible furnace
CH24126A
(en )
1902-11-15
Crucible furnace
FR342764A
(en )
1904-09-16
Electric annular furnace
FR409540A
(en )
1910-04-25
Electric steel furnace
FR336261A
(en )
1904-03-04
Waving iron
CH24986A
(en )
1903-03-15
Brick shaft furnace
FR350828A
(en )
1905-06-27
Manufacture of electrodes for electric arc lamps