CH40928A
(en )
1908-09-01
Annealing, hardening and tempering furnace for electrically heated melt pools
DK7486C
(en )
1905-05-08
Welding and annealing furnace.
DK9459C
(en )
1907-04-02
Electric Melting Furnace.
CH38246A
(en )
1907-09-30
Wind furnace for melting metals
FR385712A
(en )
1908-05-21
Glass melting furnace
CH48251A
(en )
1910-10-01
Insert, hardening and annealing furnace
AT23171B
(en )
1906-02-26
Annealing furnace for wheel tires.
DK9512C
(en )
1907-04-15
Device for Ovens and Heaters.
CH42924A
(en )
1909-03-16
Annealing furnace for ring-shaped metal bodies
DK9933C
(en )
1907-08-19
Device for smelting, crucible and annealing furnaces, also applicable to furnaces for firing, glazing and other similar purposes.
CH40744A
(en )
1908-08-17
Furnace door, in particular for degassing and gasification furnaces
CH41530A
(en )
1908-11-02
Muffle furnace
CH70405A
(en )
1915-09-16
Heating device for furnaces for annealing, tempering, burning, melting or the like
ES39933A1
(en )
1907-03-01
Some electric smelting furnaces.
ES42304A1
(en )
1908-02-01
Electrodes for resistance furnaces.
ES41186A1
(en )
1907-08-16
Improvements in electric smelting furnaces.
ES33046A1
(en )
1904-01-16
A self-falling ore roasting furnace.
FR13967E
(en )
1911-08-18
Annealing furnace
CH42008A
(en )
1908-12-16
Furnace
ES40629A1
(en )
1907-06-01
Improvements in induction furnaces.
CA107192A
(en )
1907-08-27
Amalgamating and annealing oven for wire glass
ES40093A1
(en )
1907-03-16
An improved induction electric furnace.
AT40716B
(en )
1910-01-25
Electric furnace.
CH42241A
(en )
1909-01-16
Electric melting furnace
CH41674A
(en )
1908-11-16
Electric melting furnace