FR472103A
(en )
1914-11-24
Device for converting alternating current into pulsating direct current
FR530463A
(en )
1921-12-23
Mercury vapor electrical process and valves for converting direct current into intermittent or alternating currents
CH62005A
(en )
1913-11-01
Device for converting direct current into alternating current
DK16789C
(en )
1912-12-16
Apparatus for Converting DC to AC.
FR464989A
(en )
1914-04-04
Device for converting alternating current to direct current
CH53325A
(en )
1912-02-01
Device for starting synchromotor
FR629217A
(en )
1927-11-07
Improvements to generators for electric arc welding
AT46687B
(en )
1911-02-25
Device for route regulation of induction motors.
FR429647A
(en )
1911-09-27
AC transformer
FR431190A
(en )
1911-11-04
Synchronous switch-rectifier for alternating currents
CH54277A
(en )
1912-05-17
Device for cleaning pipelines
CH57196A
(en )
1913-01-02
AC block device
CH69538A
(en )
1915-07-01
Device for pushing up water
FR451636A
(en )
1913-04-23
Apparatus for deluting retorts
FR15934E
(en )
1912-10-19
Device for descaling boilers by percussion
NL909C
(en )
1915-12-01
Improvement to mercury vapor rectifier
FR475078A
(en )
1915-04-09
Static transformer-rectifier for alternating potential differences
CH46458A
(en )
1910-03-16
AC current meter
CH50965A
(en )
1911-07-17
Device for sealing letters
CH53813A
(en )
1912-04-01
Device for heating fournier
FR15875E
(en )
1912-10-10
Remover
CH57326A
(en )
1913-01-02
Auxiliary device for determining the size of the radii of curved pieces
FR416917A
(en )
1910-11-02
Electromagnet for alternating current
FR441612A
(en )
1912-08-12
Improvements in devices for transforming direct currents into alternating currents
FR469196A
(en )
1914-07-25
Transformer for converting alternating current into direct current