CH79829A
(en )
1919-01-16
Process for the recovery of iron and steel waste
AT88425B
(en )
1922-05-10
Method for determining the foreign matter content, especially the carbon content of iron and steel.
CH60587A
(en )
1913-08-01
Process for cementing and hardening iron and steel
CH77414A
(en )
1918-04-16
Machine for the automatic production of fittings from iron, steel and other metals
CH74657A
(en )
1917-03-16
Process for attaching firmly adhering, closed metal jackets to round bodies of iron or steel
CH138522A
(en )
1930-02-28
Process for deoxidizing iron or steel.
CH71258A
(en )
1915-12-16
Process to improve the operation of electrically operated melting furnaces for steel and iron
AT68041B
(en )
1915-02-25
Process and device for deoxidizing or finishing mild steel.
AT321055B
(en )
1975-03-10
Process for the phosphating of iron and steel
CH75169A
(en )
1917-06-16
Process for the treatment of molten material, alloys and the like and a flame furnace for its practice
CH57094A
(en )
1912-12-16
Process for case hardening iron and steel objects
AT52287B
(en )
1912-02-26
Process for the production of steel.
AT23795B
(en )
1906-04-10
Process for the refinement of iron ores u. like
AT46581B
(en )
1911-02-25
Method and device for the production of steel or iron.
AT91033B
(en )
1923-01-25
Process and machine for the production of reinforced concrete pipes and beams.
CH60349A
(en )
1913-07-16
Metallurgical furnace for the direct production of iron and steel from iron ores and process for its production
CH59939A
(en )
1913-06-16
Process and high pressure furnace for direct iron and steel production
CH74359A
(en )
1917-02-16
Process for the production of steel tools for working iron and other hard materials, by casting
CH61243A
(en )
1913-09-16
Insert box for cementing and annealing iron and steel
AT87466B
(en )
1922-02-25
Process for enamelling iron objects.
CH72633A
(en )
1916-06-02
Process for tanning and impregnating fabrics
AT46595B
(en )
1911-02-25
Process for the rapid browning of steel, especially steel barrels.
CH43957A
(en )
1909-07-01
Process for reducing the carbon content of iron
CH67012A
(en )
1914-11-02
Process for decarburizing metals
AT63555B
(en )
1914-02-25
Process for the aftertreatment of iron-tanned leather.