CH53294A
(en )
1912-02-01
Process and furnace system for the continuous production of forgeable iron from ore
CH53295A
(en )
1912-02-01
Process for the direct production of iron from oxidic iron ores
CH60349A
(en )
1913-07-16
Metallurgical furnace for the direct production of iron and steel from iron ores and process for its production
CH75790A
(en )
1917-09-17
Process for the direct production of fine iron and fine steel from titanium-containing iron ores
CH45349A
(en )
1909-11-01
Process for the direct production of steel from oxidic iron ores
CH52269A
(en )
1911-11-01
Process and furnace for the continuous production of calcium cyanamide from calcium carbide and nitrogen
CH48733A
(en )
1910-11-16
Process for the production of low-sulfur iron
CH59939A
(en )
1913-06-16
Process and high pressure furnace for direct iron and steel production
CH51987A
(en )
1911-10-16
Process for the reduction of iron ores essentially containing iron oxide
AT23795B
(en )
1906-04-10
Process for the refinement of iron ores u. like
CH45348A
(en )
1909-11-01
Process for the reduction of oxidic iron ores to iron
AT23198B
(en )
1906-02-26
Process for the production of raw or forgeable iron directly from ores.
CH51830A
(en )
1911-09-16
Process for increasing the durability and other improvement of the lining of melting furnaces
AT68057B
(en )
1915-02-25
Process for the production of lightweight bricks from blast furnace slag.
CH53998A
(en )
1912-04-16
Process for the production of sheet metal, strips, wire and the like from electrolyte iron
CH66324A
(en )
1914-09-01
Process for the preparation and production of aldol from acetaldehyde
AT67177B
(en )
1914-12-10
Process for the production of cemented armor plates and the like from chromium-nickel steel.
CH43957A
(en )
1909-07-01
Process for reducing the carbon content of iron
CH49776A
(en )
1911-03-16
Process for the precipitation of zinc from zinc ore
CH47916A
(en )
1910-08-16
Process for the manufacture of one-piece wrought iron keys
AT26304B
(en )
1906-11-10
Process for the production of coal gas and dense coke from pulverized coal.
AT51875B
(en )
1912-01-25
Process and device for the production of superphosphate.
CH51440A
(en )
1911-09-01
Process for the production of cocoa powder
CA107133A
(en )
1907-08-27
Method of smelting ore
AT74101B
(en )
1918-02-11
Process for the production of aluminum coatings on iron and steel.