CH72051A
(en )
1916-03-16
Process for the electrical cleaning of gases by means of high voltage currents
CH67315A
(en )
1914-12-01
Procedure for avoiding round fire at the collector of high voltage direct current machines for traction purposes
NL98C
(en )
1914-01-15
Process for the complete removal of carbon oxide from hydrogen
FR421357A
(en )
1911-02-21
Carbon electrode for electric ovens
FR445390A
(en )
1912-11-09
carbon electrode for electric ovens
CH57150A
(en )
1912-12-16
Process for the utilization of electrode remnants from electrical melting furnaces
FR437793A
(en )
1912-04-30
Method of generating electric currents
CH65988A
(en )
1914-08-01
Process for the production of electrical insulation bodies
CH58301A
(en )
1913-03-01
Electrical installation for the optional operation of apparatus
CH58407A
(en )
1913-03-01
Electric low voltage furnace for carrying out gas reactions
CH57387A
(en )
1913-01-02
Process for the production of electrical capacitors
CH60532A
(en )
1913-07-16
Procedure for eliminating voltage fluctuations in electric ovens
CH57978A
(en )
1913-02-17
Process for the production of iron oxide electrodes
CH62523A
(en )
1913-12-01
Process for the production of refractory, electrically conductive moldings
CH64477A
(en )
1914-04-01
Process for purifying hydrogen
CH55751A
(en )
1912-09-02
Process for the production of pure iron oxide
CH75776A
(en )
1917-09-17
Process for the production of electrical insulating fittings
CH64572A
(en )
1914-04-01
Process for the production of protective covers for carbon electrodes, in particular for electric ovens
CH53321A
(en )
1912-02-01
Process for the production of ground plates for electrical accumulators
CH68153A
(en )
1915-02-16
Process for the production of fuel
FR470163A
(en )
1914-08-25
Switch for high intensity electric currents
CH49983A
(en )
1911-04-17
Device for waking by means of electrical current
CH72955A
(en )
1917-01-02
Process for creating electric arc furnaces
CH57149A
(en )
1912-12-16
Carbon electrode for electrical purposes
CH57979A
(en )
1913-02-17
Process for the production of hydrogen