AT88397B
(en )
1922-05-10
Method and device for utilizing the sulfur contained in blast furnace slag.
CH72191A
(en )
1916-05-16
Melting processes for metallurgical purposes and regenerative melting furnaces for practicing the same
ES65282A1
(en )
1917-10-01
A procedure and its corresponding apparatus for the treatment of minerals in a blast furnace.
CH75169A
(en )
1917-06-16
Process for the treatment of molten material, alloys and the like and a flame furnace for its practice
CH77204A
(en )
1918-03-16
Device for dedusting ores, and fine coal and the like
GB120590A
(en )
1918-11-21
Improvements in or relating to Means for Controlling the Temperature in Furnaces and other Apparatus.
FR481230A
(en )
1916-11-14
Refractory lining for furnaces
FR496373A
(en )
1919-11-05
Sulfur ore roasting furnace
AT101689B
(en )
1925-11-25
Method and device for centrifugal casting.
CH64277A
(en )
1914-03-16
Device for closing the tapping opening in melting furnaces
CH78963A
(en )
1918-09-16
Process and device for the reduction of ores
ES62950A1
(en )
1916-10-16
New system for the use of fumes and gases in the smelting of zinc, lead, sulfur and other minerals.
AT96187B
(en )
1924-02-25
Method and device for throwing mortar.
CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH61745A
(en )
1913-10-16
Apparatus for hardening metals in places
AT88426B
(en )
1922-05-10
Process for processing manganese-containing slags and ores.
FR505281A
(en )
1920-07-27
Segments or elements for establishing pipelines and tunnels
FR478158A
(en )
1915-11-26
Improvements in metallurgical furnaces
FR486913A
(en )
1918-05-16
Improvements in blast furnaces and similar devices
FR455609A
(en )
1913-08-05
Roasting furnace intended in particular for roasting ores
CH78055A
(en )
1918-11-01
Method for fastening lateral pipe inserts in chimney walls and chimney stones
CH77636A
(en )
1919-08-01
Method and device for roasting and sintering lime, portland cement, magnesite and similar products
CH76063A
(en )
1917-11-01
Method and device for the production of peat and other briquettes
CH81737A
(en )
1919-07-16
Method and device for mixing the ingredients for briquette manufacture
CH72083A
(en )
1916-04-01
Process for roasting zinc blende and other sulfur-containing ores in muffle furnaces