CH72191A
(en )
1916-05-16
Melting processes for metallurgical purposes and regenerative melting furnaces for practicing the same
FR473326A
(en )
1915-01-08
Improvements in metallurgical furnaces
AT74037B
(en )
1917-11-26
Agitator for mechanical roasting ovens and the like.
AT88397B
(en )
1922-05-10
Method and device for utilizing the sulfur contained in blast furnace slag.
FR481476A
(en )
1916-12-08
Furnace for metallurgical and other operations
CA165114A
(en )
1915-09-28
Metallurgical furnace
CA165115A
(en )
1915-09-28
Metallurgical furnace
CA165116A
(en )
1915-09-28
Metallurgical furnace
FR481230A
(en )
1916-11-14
Refractory lining for furnaces
FR491578A
(en )
1919-06-07
Improvements in melting furnaces
FR478158A
(en )
1915-11-26
Improvements in metallurgical furnaces
CA165118A
(en )
1915-09-28
Metallurgical furnace
CA165119A
(en )
1915-09-28
Metallurgical furnace
CA165117A
(en )
1915-09-28
Metallurgical furnace
CH64523A
(en )
1914-04-01
Method and device for preventing the formation of carbon oxides in metallurgical furnaces
CA166940A
(en )
1916-01-04
Furnace for sulphur ores
CH70793A
(en )
1916-03-16
Furnace for melting metals
CH72403A
(en )
1916-05-16
Method and furnace for roasting ores
FR482361A
(en )
1917-03-16
Improvements in melting furnaces
CH65301A
(en )
1914-06-01
Console for hanging radiators and for similar purposes
CH74244A
(en )
1917-02-01
Melting furnace
CH75318A
(en )
1917-07-16
Furnace system for air heating
FR483281A
(en )
1917-06-15
Trolley or advanced support for annealing furnaces
CH51830A
(en )
1911-09-16
Process for increasing the durability and other improvement of the lining of melting furnaces
CH81525A
(en )
1919-11-01
Method and device for the manufacture of screw connections for electrodes for melting furnaces and the like