CH44253A
(en )
1909-07-16
Process for the case-hardening of iron, mild steel and cast or cast steel
FR401105A
(en )
1909-08-19
Process for the steeling of iron, mild steel, cast iron and cast steel
FR361892A
(en )
1906-12-20
Brassization process of iron, steel and cast iron
FR394667A
(en )
1909-01-29
Process for the treatment of iron and steel
FR350520A
(en )
1905-06-15
Process for refining and quenching steel and hardening cast iron
FR350735A
(en )
1905-06-24
Method and device for the manufacture of cast iron, steel and iron
FR345642A
(en )
1904-12-06
Process for hardening and cementing iron and mild steel
FR473333A
(en )
1915-01-08
Method and hammer for welding steel or wrought iron
FR415985A
(en )
1910-10-08
Process for carburizing articles of iron and steel, or steel alloys
FR387314A
(en )
1908-07-07
Process for hardening and annealing steel
FR492662A
(en )
1919-07-16
Process for the direct and complete transformation and reduction of iron ores, iron, steel or cast iron
FR10770E
(en )
1909-09-28
Process for casting and casting of steel
FR401541A
(en )
1909-09-01
Process for casting and casting of steel
FR400382A
(en )
1909-07-26
Processing of scrap steel and iron into molten steel
FR423241A
(en )
1911-04-11
Improvements made to the treatment of iron or steel to prevent them from oxidizing or rusting
FR422545A
(en )
1911-03-23
Process for transforming iron and mild and extra-soft steel into very hard steel
FR399763A
(en )
1909-07-07
Composition for hardening steel
FR388296A
(en )
1908-08-07
Cast iron tinning process
FR352778A
(en )
1905-08-21
Method and apparatus for the manufacture of cast iron, steel and special cast irons
FR391429A
(en )
1908-10-31
Process for reducing the carbon content of cast iron or cast iron castings
FR384077A
(en )
1908-03-28
Process and furnace for the manufacture of ingot iron and steel
FR9366E
(en )
1908-10-19
Steel refining process
FR396009A
(en )
1909-03-30
Process for the manufacture of an alloy consisting of either magnesium and iron, or iron and a magnesium alloy and suitable for the deoxidation of cast iron and steel
GB190410902A
(en )
1905-02-16
Process for the Deoxidation of Ingot Iron, Ingot Steel, and the like.
FR387207A
(en )
1908-07-03
Process for treating molten iron or steel, or iron ore