CH9340A
(en )
1895-05-31
Arrangement for measuring the electrical energy in three-phase currents
CH20949A
(en )
1901-04-30
Power connection device on independent electrical clocks
CH20832A
(en )
1901-04-15
Current collection device for electric railways
CH19974A
(en )
1900-10-31
Tapping device on electric ovens
CH19118A
(en )
1900-05-15
Above-ground power supply device for electric railways
CH18323A
(en )
1899-11-30
Device for underground power supply to electric trams
GB189914235A
(en )
1900-06-02
Improvements in Apparatus for Measuring Time by Electricity.
RO122747B1
(en )
2009-12-30
Installation for checking rotors of asynchronous motors
DK2634C
(en )
1899-10-30
Procedure and Device for Regulating the Voltage of Electrical Generators with Large Speed Changes.
CH53498A
(en )
1912-03-01
Device for displaying characters and symbols with the aid of electric current
CH23933A
(en )
1902-10-15
Electricity meter for three-phase current
ES25033A1
(en )
1899-12-01
Improvements in alternative current electric meters.
DJEUMEN et al.
2019
A Study of Spatial distribution of the Electric Field under the Influence of Temperature with DC Supply
ES24095A1
(en )
1899-05-01
An electric meter.
CH20790A
(en )
1901-03-31
Electric meter
US806573A
(en )
1905-12-05
Means for ascertaining the power factor in alternating-current systems.
GB189917263A
(en )
1899-10-28
Improvements in connection with Electrical Measuring Instruments Employed in Combination with Current and Potential Transformers for Measuring Electrical Energy.
CH19159A
(en )
1900-05-31
Electricity meter
CH17982A
(en )
1899-09-30
Instrument for measuring electrical currents
CH68206A
(en )
1915-02-16
Arrangement for measuring single and multi-phase alternating current taking into account the power factor or the apparent power
CH20227A
(en )
1900-12-15
Actuating device for the circuit breaker in electric railways with underground power supply and mechanical partial conductor operation
GB191219113A
(en )
1913-08-21
Improvements in Apparatus for Measuring the Electric Conductivity of Liquids.
CH14905A
(en )
1898-02-28
Device for charging electrical collectors
CH63086A
(en )
1914-01-02
Electrical device for displaying the insertion of objects in letter boxes
GB189916926A
(en )
1900-08-18
Improvements in or relating to Electric Measuring and Indicating Apparatus.