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DK5290C
(en)
|
|
Procedure for hardening the surface of iron and steel by means of electricity.
|
|
DK5519C
(en)
|
|
Procedure for the production of strong paramagnetic iron and steel by casting.
|
|
DK2371C
(en)
|
|
Procedure for hardening steel.
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DK2441C
(en)
|
|
Procedure for hardening steel.
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DK4065C
(en)
|
|
Procedure for hardening limestone sandstone and the like.
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|
DK3947C
(en)
|
|
Procedure and Apparatus for Hardening the Moldstones at the Limestone Sandstone Manufacturing.
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|
DK5908C
(en)
|
|
Fittings for River and Drawer Iron.
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DK11976C
(en)
|
|
Procedure for alloying steel and iron on the surface.
|
|
DK5093C
(en)
|
|
Procedure for Foundation by means of Concrete-clad Iron Piles.
|
|
DK9909C
(en)
|
|
Procedure for Increasing the Toughness and Stretchability of Iron and Steel.
|
|
DK3997C
(en)
|
|
Spiritual heater for iron.
|
|
DK20235C
(en)
|
|
Cladding material for structures and parts of iron, steel and the like.
|
|
DK13246C
(en)
|
|
Oven for the manufacture of iron and steel.
|
|
DK1680C
(en)
|
|
Procedure for the manufacture of pipes of steel and other metals.
|
|
DK15355C
(en)
|
|
Procedure for the production of iron and steel immediately from ore.
|
|
DK1479C
(en)
|
|
Procedure for the treatment of ores in the manufacture of iron, steel and other metals.
|
|
DK6395C
(en)
|
|
Electromagnetic Contact Apparatus for Control of Elevators and the like.
|
|
DK2261C
(en)
|
|
Procedure for the manufacture of steel and silver plates.
|
|
DK3590C
(en)
|
|
Procedure for Refining Iron.
|
|
DK6670C
(en)
|
|
Device at Mønninger for Straatage.
|
|
CH25910A
(en)
|
|
Screw-down cock
|
|
DK6375C
(en)
|
|
Procedure for Insertion by Ring Furnaces.
|
|
DK4714C
(en)
|
|
Device by Stone for Paving along Tramways and the like.
|
|
DK5133C
(en)
|
|
Device for lowering boxes for building dams and foundations below the ground or water surface.
|
|
CH31547A
(en)
|
|
Iron muntin cross
|