CH70405A
(en )
1915-09-16
Heating device for furnaces for annealing, tempering, burning, melting or the like
ES52856A1
(en )
1912-07-16
A process for reducing and melting minerals in electric melting stoves or furnaces with a superimposed gallery, traversed by the hot gases escaping from said furnace or melting furnace.
FR475649A
(en )
1915-06-01
Method and device for heating annealing, melting and other similar furnaces
CH71299A
(en )
1915-12-16
Feed device for burners, stoves, retorts and the like
ES57283A1
(en )
1914-03-16
Improvements in furnaces for annealing ingots and the like.
DK18646C
(en )
1914-03-30
Cylindrical Melting Furnace with Artificial Drain.
ES68487A1
(en )
1919-01-01
Improvements in gas-fired regenerative furnaces for heating or melting metals.
DK19217C
(en )
1914-09-07
Method and device for heating gas production furnaces with generator gas and light gas.
CH81144A
(en )
1919-10-16
Temperature switches for heating apparatus, ovens and the like
CH37992A
(en )
1907-08-31
Furnace for heating, firing, annealing and cooling
CH69025A
(en )
1915-05-17
Feeding device for roasting ovens
DK22435C
(en )
1917-09-10
Heating and heat distribution device for bath ovens and the like.
ES48644A1
(en )
1910-10-01
Improvements in furnaces for heating glass crucibles.
DK21669C
(en )
1916-11-27
Apparatus for regulating the heat in a melting furnace.
CH71229A
(en )
1915-12-16
Annealing furnace with cooling chamber
CH67935A
(en )
1915-02-01
Safety device on melting furnaces
CH55783A
(en )
1912-09-16
Crucible furnace for hardening, inserting, annealing and preheating tools and other objects
ES53132A2
(en )
1912-08-01
Improvements in gas recovery furnaces for annealing metals.
DK21304C
(en )
1916-06-26
Apparatus for regulating the temperature in melting furnaces.
ES63262A1
(en )
1916-12-01
Continuous melting glass furnace or crucibles.
CH70580A
(en )
1915-10-01
Annealing furnace with tar and oil firing
DK20691C
(en )
1915-10-25
Combined Apparatus for Heat Accumulation and Immediate Heating.
ES50436A3
(en )
1911-08-01
Furnace head (hearth) for regenerative flame or reverberatory furnaces.
AT80159B
(en )
1920-02-25
Gas burner for oven heating. Gas burner for oven heating.
ES58225A2
(en )
1914-07-01
A new procedure for roasting or perfect roasting of minerals in furnaces of all systems, with its corresponding mechanical device to carry it out.