FR718100A
(en )
1932-01-19
Method and devices for transforming the voltage of direct current
FR689411A
(en )
1930-09-05
Improvements in devices for the transmission of direct current at high voltage
FR736244A
(en )
1932-11-21
Improvement brought to ultra-violet generators powered by high voltage current
FR740660A
(en )
1933-01-30
Device for converting direct current of a given voltage into direct current of different voltage
FR728583A
(en )
1932-07-07
Device for regulating the direct current voltage of rectifiers
FR749748A
(en )
1933-07-28
Method and devices for regulating the voltage at the primary of transformers
FR550684A
(en )
1923-03-15
Voltage regulation method and devices
FR712666A
(en )
1931-10-07
Device for converting direct current to high voltage
FR779073A
(en )
1935-03-29
Current transformer for very high voltage
FR761461A
(en )
1934-03-20
Process for cooling high voltage cables and devices for its application
FR716077A
(en )
1931-12-14
Coupling device for electric regulators of the voltage of the light current
FR718968A
(en )
1932-01-30
Method and devices for the continuous monitoring of films
FR731832A
(en )
1932-09-08
Method and devices for producing slow oscillations by alternating current
FR24092E
(en )
1922-02-21
Switch-transformer for converting alternating current into direct current and vice versa or direct current into direct current of different voltage
FR557095A
(en )
1923-08-02
Method and devices for the organization of high voltage circuits having movable sockets
BE416951A
(en )
1936-09-30
Cable for high current and high voltage
FR764217A
(en )
1934-05-17
Improvements to regulating devices in charge of the voltage of alternating current networks
FR724487A
(en )
1932-04-27
Underground cable for the transmission of high voltage currents
FR549635A
(en )
1923-02-15
Method of generating direct current at very high voltage and installations allowing the realization
FR733048A
(en )
1932-09-29
Method and apparatus for ozone and electric corona bleaching
FR40148E
(en )
1932-04-20
Method and device for regulating electric currents
FR23633E
(en )
1921-12-14
Switch-transformer for converting alternating current into direct current and vice versa or direct current into direct current of different voltage
FR23632E
(en )
1921-12-14
Switch-transformer for converting alternating current into direct current and vice versa or direct current into direct current of different voltage
BE338793A
(en )
1927-01-31
Cables for high voltage
FR28016E
(en )
1924-11-11
Method and devices for the organization of high voltage circuits having movable sockets