CH3182A
(en )
1891-07-15
Fuse in electrical power lines
CH4128A
(en )
1892-03-15
Innovation in electrical capacitors
CH1884A
(en )
1890-05-31
Innovation in electrical transformers
ES12221A1
(en )
1891-07-16
Improvements in electrical conductors.
ES13611A1
(en )
1892-09-01
Improvements in electric generators.
CH5149A
(en )
1892-11-30
Innovation in electric light bulbs
ES12321A1
(en )
1891-08-16
Improvements in electrical connections.
ES12779A1
(en )
1892-02-01
Improvements in electric trams.
CH6739A
(en )
1893-10-14
Device for regulating the heating power in electric heating devices
ES13039A1
(en )
1892-04-01
An improved arrangement to support the electrodes in the secondary pairs or electrical accumulators.
CH5357A
(en )
1892-12-15
Power transmission armature for voltage regulation in electrical lighting circuits
ES10628A1
(en )
1890-05-16
Improvements in electric batteries.
ES11288A1
(en )
1890-12-16
Improvements in electric batteries.
CH8485A
(en )
1894-10-31
Innovation in electric light bulbs
ES12911A1
(en )
1892-03-01
Improvements in electric meters.
ES10881A1
(en )
1890-08-01
Improvements in electric accumulators.
ES13666A1
(en )
1892-10-01
Improvements in electric battery plates.
ES15165A1
(en )
1894-01-01
Improvements in connections for electrical conductors and cables.
ES12136A1
(en )
1891-07-16
Improvements in electric lifting devices.
ES11802A1
(en )
1891-04-16
Improvements in electric battery zines.
ES12910A1
(en )
1892-03-01
Improvements in electric railways.
ES13668A1
(en )
1892-10-01
Improvements in electric battery plates.
ES11586A1
(en )
1891-02-01
Improvements introduced in electric batteries.
CH10243A
(en )
1895-10-31
Innovation in automatic electrical regulators
ES12598A1
(en )
1891-11-16
Improvements in electrical or galvanic batteries.