CH6624A
(en )
1893-10-14
Circuit for protective devices of the apparatus inserted in electrical lines against strong discharges
CH6751A
(en )
1893-10-14
Protective device for electrical lines against strong discharges
CH24489A
(en )
1902-12-31
Lightning protection device for electrical lines
CH28445A
(en )
1904-04-30
Lightning protection device for electrical lines
CH32361A
(en )
1905-07-15
Surge protection for electrical lines
CH63677A
(en )
1914-02-16
Protective device on above-ground electrical lines with several conductors
CH29888A
(en )
1904-10-15
Entry protection bell for cable lines
CH60571A
(en )
1913-08-01
Instrument for locating faults on electrical lines
ES31911A1
(en )
1903-07-16
Improvements in protective devices for electrical circuits.
CH55629A
(en )
1912-09-02
Device for protecting electrical cables through walls etc. at their bending points
GB190218079A
(en )
1903-06-25
Improvements in Protective Devices for Electric Circuits.
GB189406089A
(en )
1895-01-26
Improvements in the Means of Protecting Electrical Conductors.
CH43823A
(en )
1909-06-16
Equipment on electrical machines for cooling them
CH53804A
(en )
1912-04-01
Reading device on electrical measuring devices
FR342186A
(en )
1904-09-01
Protective conduits for electrical conductors
CH46239A
(en )
1910-02-16
Fixing device for electrical conductors on insulators
CH32630A
(en )
1905-08-15
Device to enable the throwing distance to be increased on overvoltage protection devices for electrical lines
CH8915A
(en )
1895-02-15
Device for eliminating interference in telephone lines
FR320268A
(en )
1902-12-05
Regulator for electrical circuits
GB189314474A
(en )
1893-09-02
Improvements in the Arrangement of Telephone Circuits and in Apparatus therefor.
CH35155A
(en )
1906-07-15
Protective device on the stands of electrical machines
GB189403111A
(en )
1894-04-14
Improvements in Electric Signalling Devices for Telephone or similar Circuits.
CH7992A
(en )
1894-07-31
Underground supply line arrangement for electric trams
CH27330A
(en )
1903-12-31
Ventilation arrangement on electrical machines
CH35499A
(en )
1906-12-15
Cooling device on electrical machines