CH73356A
(en )
1917-01-16
Annealing and melting furnace with a device for heating it with a tar-air mixture
CH71163A
(en )
1915-12-01
Annealing and melting furnace with a device for heating it with a tar-air mixture
CH70793A
(en )
1916-03-16
Furnace for melting metals
CH64277A
(en )
1914-03-16
Device for closing the tapping opening in melting furnaces
CH72191A
(en )
1916-05-16
Melting processes for metallurgical purposes and regenerative melting furnaces for practicing the same
CH72403A
(en )
1916-05-16
Method and furnace for roasting ores
CH60270A
(en )
1913-07-01
Furnace with smoke burning device
DK21669C
(en )
1916-11-27
Apparatus for regulating the heat in a melting furnace.
CH46680A
(en )
1910-04-01
Furnace for heating with fuel waste
CH69969A
(en )
1915-08-02
Melting kettle with furnace
DK21304C
(en )
1916-06-26
Apparatus for regulating the temperature in melting furnaces.
CH71672A
(en )
1916-02-01
Plant for heating greenhouses
CH69442A
(en )
1915-06-16
Device for temperature compensation in a vertical direction in rooms with central heating
CH67935A
(en )
1915-02-01
Safety device on melting furnaces
DK19217C
(en )
1914-09-07
Method and device for heating gas production furnaces with generator gas and light gas.
CH67730A
(en )
1915-01-16
Method and device for discharging sintered material to be fired from furnaces with a horizontal firing channel
FR491578A
(en )
1919-06-07
Improvements in melting furnaces
FR482361A
(en )
1917-03-16
Improvements in melting furnaces
AU1518115B
(en )
1915-08-03
Improved gas burner for heating purposes
AT87481B
(en )
1922-02-25
Shaft furnace for burning cement with discharge and breaking device.
CH56890A
(en )
1912-12-02
Device for cooling hot roasting gases
CH69731A
(en )
1915-07-16
Heating device
CH74244A
(en )
1917-02-01
Melting furnace
CH64339A
(en )
1914-04-01
Melting furnace with tiltable crucible
FR478397A
(en )
1915-12-08
Brick with longitudinal central duct for recovery furnaces