AT23729B
(en )
1906-04-10
Power supply device for electric railways.
CH30532A
(en )
1904-12-31
Power supply device for electrical railways for above-ground power supply
CH30511A
(en )
1904-12-31
Clamping device on electrical apparatus for connecting lead wires
CH32259A
(en )
1905-07-15
Device for heating bodies using electrical energy
DK5936C
(en )
1903-09-14
Electric Power Supply System for Railways.
AT25138B
(en )
1906-07-25
Device for starting and stopping electric motors.
AT26164B
(en )
1906-10-25
Power supply arrangement for electric railways.
CH36974A
(en )
1907-03-31
Device for cooling the conductors of electrical power equipment
CH34194A
(en )
1906-03-15
Equipment in power supply systems for electric railways to separate contact lines
CH3182A
(en )
1891-07-15
Fuse in electrical power lines
CH31055A
(en )
1905-02-28
Power locking device on electric pendulum mechanisms
CH33133A
(en )
1905-10-31
Device with electric motors for quick stopping of the same
AT31977B
(en )
1908-02-25
Device for balancing the power requirements of three-phase machines.
CH24342A
(en )
1902-12-15
Current closing device on electric drive devices for electric clocks, electricity meters and the like.
DK6831C
(en )
1904-08-15
Operating device for electric power plants, in particular electric tracks.
CH51012A
(en )
1911-07-17
Contact device for electrical temporary power supply
CH32239A
(en )
1905-07-15
Current collector device for electric railways
CH34056A
(en )
1906-03-15
Cooling device on electrical machines
DK17477C
(en )
1913-06-30
Electrical Power Supply and Control Device.
CH66264A
(en )
1914-08-17
Device for the electrical heating of flowing liquids or gases
DK2431C
(en )
1899-08-07
Power transfer device for electric Railways with underground Power supply.
CH25813A
(en )
1903-06-30
Safety device on electrical overhead lines
FR357643A
(en )
1906-01-08
AC power distribution device
CH39202A
(en )
1908-02-01
Device for power distribution using direct current
CH28692A
(en )
1904-05-31
Electric furnace with a device for preheating the load