AT75591B
(en )
1919-02-25
Device for keeping the phase shift between current and voltage constant at a certain network point.
FR482511A
(en )
1917-03-27
Voltage transformer for direct current, with series excitation
FR528750A
(en )
1921-11-18
Rheostats improvements
DK14159C
(en )
1911-01-30
Device for making electric current unidirectional.
DK23352C
(en )
1918-08-12
Apparatus for Transforming Electric Currents.
FR436550A
(en )
1912-03-29
Ohmic resistors for high voltage electrical circuits
FR511262A
(en )
1920-12-21
High voltage resistors
CH70064A
(en )
1915-09-01
Closure on sacks
FR488753A
(en )
1918-11-14
Liquid rheostats for high voltage electrical circuits
CH54377A
(en )
1912-06-01
Turbine blade with crossbars
FR23548E
(en )
1921-11-30
High voltage transformer system
DK31608C
(en )
1923-04-30
Electron Discharge Apparatus and Procedure for Operating the Same.
ES60470A1
(en )
1915-07-01
A lightning rod terminal strewn with tips all over its surfaces.
CH73631A
(en )
1916-11-01
Device for keeping a selectable phase shift constant in multi-phase networks
DK29697C
(en )
1922-06-06
Device for Emitting Electrical Oscillations.
FR452524A
(en )
1913-05-19
Circuit breaker with starting rheostat for two-phase current
ES55160A1
(en )
1913-05-16
Device for regulating and varying the flashing sparks.
ES60118A1
(en )
1915-05-16
An induction device with a secondary current generator, improvement of those currently used in Medicine for the application of electric currents.
FR492573A
(en )
1919-07-11
High frequency alternating current generator device
DK13150C
(en )
1910-04-18
Device for Generating the Arc between Arc Lamps Electrodes.
DK20832C
(en )
1915-12-20
Device for generating rapid electrical oscillations.
FR513278A
(en )
1921-02-11
Hour meter for alternating current
CH50639A
(en )
1911-06-16
Slide with steering device
DK14496C
(en )
1911-04-24
Device for generating a pulsating current with high frequency.
DK14341C
(en )
1911-03-13
Procedure for forming pavement on roads, streets and the like.