CH48006A
(en )
1910-09-01
Method for annealing putty knots of electric incandescent lamps
CH47181A
(en )
1910-06-01
Method for controlling alternating current commutator machines
CH58769A
(en )
1913-04-01
Method of drawing tungsten wire for electric light bulbs
CH44911A
(en )
1909-10-01
Method for melting down the foot of electric light bulbs
CH58516A
(en )
1913-03-17
Method and device for repairing metal filament lamps
CH49251A
(en )
1911-01-16
Method of manufacturing stranded wires
CH49810A
(en )
1911-04-01
Process for charging electrical resistance furnaces
FR410775A
(en )
1910-05-30
Method of rectifying electric currents
CH43708A
(en )
1909-06-01
Method and device for bringing about a longer burning time of electric incandescent lamps
CH47954A
(en )
1910-09-01
Electric furnace for treating gases
CH52170A
(en )
1911-11-01
Process for generating electrical currents
NL41C
(en )
1913-10-15
Improvement of a method and an apparatus for applying the filament of electric metal wire lamps to the wire carriers
CH42643A
(en )
1909-02-16
Method for short-circuit braking of electric motors
CH72051A
(en )
1916-03-16
Process for the electrical cleaning of gases by means of high voltage currents
CH50611A
(en )
1911-06-16
Electrical system for the excitation of AC commutator motors
CH45129A
(en )
1909-10-16
Method of treating gases by means of high-voltage electric flame arcs
CH46182A
(en )
1910-02-01
Method of sealing barrels
CH47324A
(en )
1910-06-16
Method for heating up electric induction furnaces for metallurgical purposes
CH65625A
(en )
1914-07-01
Method and device for manufacturing electric incandescent lamps
CH45395A
(en )
1909-11-16
Method for preventing the atomization of metal filaments in electric light bulbs
CH57385A
(en )
1913-01-02
Method for branching electrical line wires from a main line
CH48976A
(en )
1910-12-16
Process for making objects having metal surfaces bright
CH51446A
(en )
1911-09-01
Process for the oxidation of nitrogen with the aid of electrical discharges
CH57150A
(en )
1912-12-16
Process for the utilization of electrode remnants from electrical melting furnaces
CH58301A
(en )
1913-03-01
Electrical installation for the optional operation of apparatus