CH76852A
(en )
1918-06-17
Electrode furnace for three-phase current with multiple arcs
CH78479A
(en )
1918-08-01
Terminal for the electrodes of electric arc furnaces
CH78597A
(en )
1918-08-16
Electrode holder for electric ovens
CH78850A
(en )
1918-09-02
Electrode holder for electric ovens
CH79257A
(en )
1918-10-16
Electrode holder for electric ovens
CH81688A
(en )
1919-11-17
Electric melting furnace for arc heating
CH77994A
(en )
1918-06-17
Electrode cover for electric arc furnaces
CH75109A
(en )
1917-10-01
Electric torch with plate-shaped elements
CH78593A
(en )
1919-01-02
Electric overhead line
AT80071B
(en )
1920-02-25
Electrode holder for electric furnaces with electric arc heating. gene heating.
CH81216A
(en )
1919-10-16
Bottom electrode for electric melting furnaces
AT75517B
(en )
1919-02-25
Electrode for electric ovens.
CH81205A
(en )
1919-05-16
High voltage direct current machine
CH77161A
(en )
1918-03-16
Insulator for electric lines
CH69233A
(en )
1915-06-01
Cooled bottom electrode for electric melting furnaces
CH80891A
(en )
1919-09-16
Power supply for electric arc furnaces for multi-phase current with bottom electrodes
CH81689A
(en )
1919-12-01
Tilting electric furnace for metallurgical purposes with arc heating
FR485117A
(en )
1917-12-13
Current reducing transformer
FR488035A
(en )
1918-08-13
Switch for electric currents
DK25963C
(en )
1920-05-17
Electric Melting Furnace.
AT90729B
(en )
1923-01-10
Arc light electrode for high currents.
CH77449A
(en )
1918-04-16
Electric arc lamp
CH80613A
(en )
1919-03-17
Current lead-in wire for glass vessels
CA173342A
(en )
1916-11-21
Electrode supp0rt for electric furnaces
ES66003A1
(en )
1918-01-16
Improvements in electrical transformers of special application for the operation of electric furnaces.