CH49810A
(en )
1911-04-01
Process for charging electrical resistance furnaces
CH47705A
(en )
1910-08-01
Melting hearth for electric induction furnaces
CH44427A
(en )
1909-08-02
Electric induction furnace for metallurgical purposes
CH50424A
(en )
1911-06-01
Electric induction furnace
CH72428A
(en )
1916-06-02
Method and device for charging closed electric furnaces
CH44428A
(en )
1909-08-02
Electric induction furnace for three-phase operation
CH46492A
(en )
1910-03-16
Method for operating single or multi-phase induction motors
CH68634A
(en )
1915-04-01
Method and device for electric cooking
CH48006A
(en )
1910-09-01
Method for annealing putty knots of electric incandescent lamps
AT60971B
(en )
1913-09-10
Electric induction retort furnace.
CH49492A
(en )
1911-02-16
Electric furnace
CH41606A
(en )
1908-11-02
Process for tinning cast iron
FR415548A
(en )
1910-09-28
Electric furnace and method for its charging
CH47140A
(en )
1910-06-01
Apparatus for regulating electric radiators
ES47040A1
(en )
1910-03-01
An electric induction melting furnace.
FI3434A
(en )
1908-08-20
Electrical induction for metallurgical equipment
CH47954A
(en )
1910-09-01
Electric furnace for treating gases
CH47181A
(en )
1910-06-01
Method for controlling alternating current commutator machines
CH32015A
(en )
1905-07-15
Radiators for electric ovens
CH81875A
(en )
1919-07-16
Process and device for utilizing the waste heat from electrical melting furnaces
CH38243A
(en )
1907-09-15
Laminated iron core for electrical transformer furnaces
CH66552A
(en )
1914-09-16
Method and device for heating and cooling objects
CH43954A
(en )
1909-07-01
Annealing furnace for heating car tires
CH65425A
(en )
1914-06-16
Process for annealing in an electric annealing furnace with internal heating
CH56735A
(en )
1912-11-16
Radiant electric furnace