CH37694A
(en )
1907-07-15
High-voltage line insulator for electric railways
CH50418A
(en )
1911-06-01
Electric power distribution system
CH58076A
(en )
1913-02-17
Electric current switch
CH65459A
(en )
1914-07-01
Signaling device especially on electric trams
FR475350A
(en )
1915-05-04
Current regulator for electric generators
CH70078A
(en )
1915-08-16
Device for the electrical operation of points in electrically operated trams
CH56728A
(en )
1912-11-16
Step switch for electric vehicles
CH53359A
(en )
1912-02-16
Current connection device for electrical signaling devices and the like
FR435424A
(en )
1912-02-29
Voltage regulator for electric generators
CH66814A
(en )
1914-10-16
Mast switch for electrical overhead lines
CH64333A
(en )
1914-03-16
Device for reversing the direction of the current on voltage regulators working with break contacts
CH35620A
(en )
1906-09-15
Power supply system for electric main railways
CH33650A
(en )
1905-12-31
Overhead contact line for electric railways
FR403643A
(en )
1909-11-10
Electric current reducing device
CH28460A
(en )
1904-04-30
Current collection device for electric railways
CH40570A
(en )
1908-08-01
Driving switch for electric railways
CH28160A
(en )
1904-03-31
Underground power supply system for electric railways
CH43844A
(en )
1909-06-16
Pantograph device for electric vehicles
CH51012A
(en )
1911-07-17
Contact device for electrical temporary power supply
CH40951A
(en )
1908-09-01
Electric braking device on electric vehicles
CH76635A
(en )
1918-02-01
Circuit device for the electrical braking of two or more main current motors
ES56331A1
(en )
1913-10-16
Insulator for high voltage overhead power lines.
CH70205A
(en )
1915-09-01
Driving switch on electric vehicles
AT23729B
(en )
1906-04-10
Power supply device for electric railways.
CH69400A
(en )
1915-06-16
Drive device for electric switches