CH55783A
(en )
1912-09-16
Crucible furnace for hardening, inserting, annealing and preheating tools and other objects
AT67951B
(en )
1915-02-10
Firing processes and kilns, in particular for enamelling.
CH75169A
(en )
1917-06-16
Process for the treatment of molten material, alloys and the like and a flame furnace for its practice
CH70405A
(en )
1915-09-16
Heating device for furnaces for annealing, tempering, burning, melting or the like
AT72520B
(en )
1916-10-10
Recuperative crucible furnace for melting metals and alloys.
GB191325799A
(en )
1914-01-15
An Improved Furnace for use in Hardening, Annealing and Tempering Steel Tools of all kinds, and like purposes.
CH48251A
(en )
1910-10-01
Insert, hardening and annealing furnace
ES52856A1
(en )
1912-07-16
A process for reducing and melting minerals in electric melting stoves or furnaces with a superimposed gallery, traversed by the hot gases escaping from said furnace or melting furnace.
AT88397B
(en )
1922-05-10
Method and device for utilizing the sulfur contained in blast furnace slag.
CH65585A
(en )
1914-06-16
Device for automatic individual conveying and straightening of workpieces
CH66552A
(en )
1914-09-16
Method and device for heating and cooling objects
GB120137A
(en )
1918-10-31
Improved Brick for Furnace Chimneys and other Building Work.
ES53132A2
(en )
1912-08-01
Improvements in gas recovery furnaces for annealing metals.
CH62787A
(en )
1913-12-16
Process and device for the deslagging of furnaces with beams
CH66206A
(en )
1914-11-16
Device for heating, welding and brazing metal objects
CH73889A
(en )
1917-05-01
Device for heating, welding and brazing metal objects
CH61243A
(en )
1913-09-16
Insert box for cementing and annealing iron and steel
CH68304A
(en )
1915-03-01
Simply lifting furnace shank machine
ES57283A1
(en )
1914-03-16
Improvements in furnaces for annealing ingots and the like.
CH69906A
(en )
1915-08-02
Process for burning and cooling cement in rotary kilns and rotary kilns for carrying out this process
CH63395A
(en )
1914-01-16
Tool for straightening pipes
AT63670B
(en )
1914-02-25
Device for flame guidance of hearth furnaces, pre-freshening mixers and the like.
AT52348B
(en )
1912-02-26
Method and device for deslagging of mild iron and mild steel in a hearth furnace.
ES50436A3
(en )
1911-08-01
Furnace head (hearth) for regenerative flame or reverberatory furnaces.
DK26848C
(en )
1920-11-01
Method for Melting Metal and Electric Furnace for Performing the Same.