CH30955A
(en )
1905-02-15
Power supply system for electric railways
CH21600A
(en )
1901-08-15
Partial conductor power supply device for electric railways
CH32239A
(en )
1905-07-15
Current collector device for electric railways
CH28160A
(en )
1904-03-31
Underground power supply system for electric railways
CH28303A
(en )
1904-04-30
Working management for electric railways
CH30532A
(en )
1904-12-31
Power supply device for electrical railways for above-ground power supply
CH23602A
(en )
1902-08-31
Electric braking device on electric railroad cars
CH34194A
(en )
1906-03-15
Equipment in power supply systems for electric railways to separate contact lines
CH20832A
(en )
1901-04-15
Current collection device for electric railways
DK5936C
(en )
1903-09-14
Electric Power Supply System for Railways.
CH19118A
(en )
1900-05-15
Above-ground power supply device for electric railways
CH24173A
(en )
1902-11-30
Extension of the route for electric railways with underground power supply
CH23232A
(en )
1902-06-15
Improved electrical power distribution system
CH21816A
(en )
1901-10-15
Electric power distribution system
CH23064A
(en )
1902-05-31
Underground power supply system for electric railways
CH29776A
(en )
1904-09-30
Contact rail for supplying alternating current to electric vehicles
CH22139A
(en )
1901-12-15
Control device for electric trains
CH20833A
(en )
1901-04-15
Low-current line protection device for electric railways with overhead line operation
AT23729B
(en )
1906-04-10
Power supply device for electric railways.
CH25198A
(en )
1903-04-15
Electric transformer
CH25696A
(en )
1903-06-15
Pantographs on electric railways with above-ground power supply
CH27464A
(en )
1904-01-15
Transformer system in electrical railways operated with alternating current, to compensate for the voltage loss in the rail return line
CH25467A
(en )
1903-05-15
Electric railway system
AT26164B
(en )
1906-10-25
Power supply arrangement for electric railways.
CH50418A
(en )
1911-06-01
Electric power distribution system