CH71393A
(en )
1916-01-03
Method and device for interrupting electric arcs
CH48766A
(en )
1910-12-01
Device for igniting electric arcs connected in series
CH49030A
(en )
1911-01-02
Conductor arrangement in electrical machines
CH36974A
(en )
1907-03-31
Device for cooling the conductors of electrical power equipment
CH43697A
(en )
1909-06-01
Cooling device for encapsulated electrical machines
CH53141A
(en )
1912-02-01
Automatic switch for closing and opening electrical circuits one after the other
CH45837A
(en )
1910-01-03
Device for regulating electrical generators and motors
CH46239A
(en )
1910-02-16
Fixing device for electrical conductors on insulators
CH42107A
(en )
1909-01-02
Device for cooling collectors of electrical machines
CH43823A
(en )
1909-06-16
Equipment on electrical machines for cooling them
CH46048A
(en )
1910-01-17
Electrical experimentation and switching apparatus, in particular for learning and measuring purposes
CH36450A
(en )
1907-01-15
Tool for examining electrical lines
AT71575B
(en )
1916-04-25
Method and device for electrical welding.
CH37524A
(en )
1907-07-15
Apparatus unit for electrical operations with switch, fuses and protective box
CH52468A
(en )
1911-11-16
Equipment on electric ovens for blowing gas into the same to cool the electrodes and the masonry
CH58320A
(en )
1913-03-01
Switching in electrical block works
CH48002A
(en )
1910-09-01
Equipment in electrical apparatus for switching over groups of turns
AT25058B
(en )
1906-07-25
Device for putting on and putting down pantographs of vehicles operated with high voltage electric current.
CH41957A
(en )
1908-12-16
Cooling device on electrical machines
CH48274A
(en )
1910-10-01
Device for protection against overload in alternating current generator systems
CH39885A
(en )
1908-05-01
Innovation in electrical transformer furnaces
CH57846A
(en )
1913-02-01
Procedure for switching auxiliary transformers on and off in electrical distribution networks
FR407781A
(en )
1910-03-10
Tool for stripping insulated electrical conductors
CH49489A
(en )
1911-02-16
Winding in electrical machines
CH20949A
(en )
1901-04-30
Power connection device on independent electrical clocks