CH23326A
(en )
1902-06-30
Automatic protection device for electric trams
CH34418A
(en )
1906-04-15
Safety device for electrical lines
CH25467A
(en )
1903-05-15
Electric railway system
CH32238A
(en )
1905-06-30
Contact line for electric railways
CH30954A
(en )
1905-02-15
Automatic signaling device for electric railways
CH28460A
(en )
1904-04-30
Current collection device for electric railways
CH28445A
(en )
1904-04-30
Lightning protection device for electrical lines
CH21586A
(en )
1901-08-15
Safety device for electrical air lines
CH28800A
(en )
1904-09-15
Switches for electrical lines
CH26339A
(en )
1903-08-31
Electrical contact device for railway vehicles
CH23675A
(en )
1902-09-15
Safety fuse for electrical circuits
CH32361A
(en )
1905-07-15
Surge protection for electrical lines
CH29883A
(en )
1904-10-15
Connection device for electrical cables
CH32214A
(en )
1905-07-31
Fuse for electrical lines
CH12517A
(en )
1897-01-15
Improved protection device for electric trams
CH57849A
(en )
1913-02-01
Clamping device for electrical lines
CH24253A
(en )
1902-12-15
Bell insulator for electrical lines
CH30001A
(en )
1904-10-31
Terminal for electrical lines
CH37694A
(en )
1907-07-15
High-voltage line insulator for electric railways
CH23602A
(en )
1902-08-31
Electric braking device on electric railroad cars
CH19359A
(en )
1900-06-30
Current collection device for electric railways
CH25833A
(en )
1903-07-15
Electric train
CH30259A
(en )
1905-03-31
Device for fastening lead wires for electric long-distance lines
CH32863A
(en )
1905-10-15
Braking device for electric mountain railways
CH28160A
(en )
1904-03-31
Underground power supply system for electric railways