CH5357A
(en )
1892-12-15
Power transmission armature for voltage regulation in electrical lighting circuits
CH3182A
(en )
1891-07-15
Fuse in electrical power lines
CL2022003537S1
(en )
2023-09-22
Electric endogramper
CH27226A
(en )
1904-03-15
Electric switch for light lines
CH29525A
(en )
1904-08-31
Connection conductor for rail ends to return the electrical current
AT16075B
(en )
1904-04-25
Device for avoiding short circuits in power supply systems for electric railways with magnetically connected partial conductors.
CH27878A
(en )
1904-03-15
Field fitting with direct current exciter for electrical machines
CH27590A
(en )
1904-01-31
Lightning rod for electrical power systems
CH28160A
(en )
1904-03-31
Underground power supply system for electric railways
CH1884A
(en )
1890-05-31
Innovation in electrical transformers
GB189423529A
(en )
1895-11-09
Improvements in Switches or Connections for Electric Lighting and Power.
CH27620A
(en )
1904-01-31
AC power distribution system for electric railways
FR348945A
(en )
1905-05-02
Dynamos and electric motors
NL186202B
(en )
ELECTRICAL POWER SUPPLY.
CH5636A
(en )
1893-02-15
Circuit for electrical slave clocks to eliminate the harmful effects of atmospheric electricity
CH23232A
(en )
1902-06-15
Improved electrical power distribution system
CH30532A
(en )
1904-12-31
Power supply device for electrical railways for above-ground power supply
FR474839A
(en )
1915-03-22
Switchgear for electrical conduits, sockets, fittings, sockets and similar applications
ES32909A1
(en )
1903-12-16
Improvements in electrical lighting and power systems.
ES15165A1
(en )
1894-01-01
Improvements in connections for electrical conductors and cables.
CH30390A
(en )
1904-12-15
Insulating roll for fastening electrical conductors
CH4653A
(en )
1892-06-30
Electric motor
CH5149A
(en )
1892-11-30
Innovation in electric light bulbs
CH8148A
(en )
1894-08-31
Three-point contact for electrical radiators and other electrical purposes
CH25562A
(en )
1903-05-31
Armature winding on electrical machines for single-phase alternating current