CH43507A
(en )
1909-05-17
Process for alloying objects made of steel and iron on the surface
AT46581B
(en )
1911-02-25
Method and device for the production of steel or iron.
CH41606A
(en )
1908-11-02
Process for tinning cast iron
CH41460A
(en )
1908-10-16
Hardening agents for steel
AT46589B
(en )
1911-02-25
Method of welding cast iron.
ES48112A1
(en )
1910-07-16
A procedure for carburizing iron and steel or steel alloy objects.
GB190607757A
(en )
1906-12-06
Process for the Production of a Protective Coating upon Iron and Steel.
GB190617131A
(en )
1907-02-14
An Improvement in the Direct Process of Manufacturing Iron and Steel.
GB189323492A
(en )
1894-12-06
An Improved Method of Hardening or Converting into Steel the Surfaces of Iron Plates and other Objects made from Iron.
CH57094A
(en )
1912-12-16
Process for case hardening iron and steel objects
GB190415965A
(en )
1905-05-25
Improvement in the Manufacture of Skip or Basket Nails.
GB190807227A
(en )
1909-04-01
Process of and Means for Depositing Metals Upon Metallic Surfaces.
AT23795B
(en )
1906-04-10
Process for the refinement of iron ores u. like
CA110645A
(en )
1908-03-03
Steel hardening method
AU1269208B
(en )
1909-03-02
Process of treating iron. and steel
GB190410902A
(en )
1905-02-16
Process for the Deoxidation of Ingot Iron, Ingot Steel, and the like.
ES43651A1
(en )
1908-08-16
A procedure to steel iron, molten mild steel and cast.
ES38835A1
(en )
1906-09-16
An improvement on the direct process of making iron and steel.
CH45824A
(en )
1909-12-16
Flanged connection on metal pipes
AT27651B
(en )
1907-02-25
Process for hardening copper and copper alloys.
CH48973A
(en )
1910-12-16
Procedure to protect iron from rusting
ES43411A1
(en )
1908-07-01
A process for the manufacture of iron or steel ingots.
CA102773A
(en )
1906-12-25
Manufacture of iron and steel
ES43988A1
(en )
1908-10-16
A procedure for treating iron and steel.
ES35125A1
(en )
1905-01-16
A process for the deoxidization of cast iron, molten steel, and the like.