AT26322B
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1906-11-10
Process and furnace for annealing and superficial oxidizing of mainly sheet-shaped iron and steel pieces.
CA91688A
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1905-02-21
Furnace for treating sheet iron and steel
CA90159A
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1904-11-22
Methods of treating sheet iron or steel
CA94830A
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1905-08-22
Process of annealing and tempering iron
CA90065A
(en )
1904-11-15
Process of cleansing iron and steel
AU864407B
(en )
1908-05-19
Improvements inthe process of and apparatus for directly reducing iron ore and subsequently treating same forthe manufacture of wrought iron and steel
FR328533A
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1903-07-16
Improved apparatus and method for treating slag from blast furnaces and the like
AU1269208B
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1909-03-02
Process of treating iron. and steel
DK1479C
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1898-02-28
Procedure for the treatment of ores in the manufacture of iron, steel and other metals.
ES33979A1
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1904-06-16
An improved process with a corresponding apparatus for treating ferruginous ore in order to make iron and steel from it.
GB190803651A
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1909-02-18
Process of Hardening and Tempering Steel
AT27651B
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1907-02-25
Process for hardening copper and copper alloys.
ES32275A1
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1903-09-01
An improved process for treating smelting furnace residues and other slags.
CA89537A
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1904-10-11
Art of cleansing iron and steel
CA90102A
(en )
1904-11-15
Manufacture of iron and steel
FR380343A
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1907-12-05
Process of roasting and concentration of ores
FR336727A
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1904-03-16
Method and apparatus suitable for the reduction of iron sand, iron oxides and other refractory ores
GB190412098A
(en )
A New or Improved Process for Treating Steel and Armour-plates
FR349226A
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1905-05-17
Process for treating, in the electric furnace, ores and metallurgical products
CH42528A
(en )
1909-02-01
Method of pickling hides and hides
CA111225A
(en )
1908-04-07
Method of treating iron or steel
FR380344A
(en )
1907-12-05
Process for roasting and concentration of ores
GB190122233A
(en )
1902-02-06
Improved Method for the Cementation, or Hardening, of Iron and Steel
AU864407A
(en )
1908-05-19
Improvements inthe process of and apparatus for directly reducing iron ore and subsequently treating same forthe manufacture of wrought iron and steel
GB190410902A
(en )
1905-02-16
Process for the Deoxidation of Ingot Iron, Ingot Steel, and the like.