CH71393A
(en )
1916-01-03
Method and device for interrupting electric arcs
CH57046A
(en )
1912-12-16
Method and device for the production of nitrogen oxides in electric flame arcs
CH72679A
(en )
1916-06-16
Dowels for fixing insulating pipes, switches, boxes and other electrical apparatus
CH51335A
(en )
1911-09-01
Process and device for avoiding arcing in electrical resistance furnaces
CH48002A
(en )
1910-09-01
Equipment in electrical apparatus for switching over groups of turns
CH73032A
(en )
1916-12-16
Apparatus for limiting the electric current
CH68634A
(en )
1915-04-01
Method and device for electric cooking
CH48766A
(en )
1910-12-01
Device for igniting electric arcs connected in series
CH59256A
(en )
1913-05-02
Device for short-circuiting and earthing power lines
CH70203A
(en )
1915-09-01
Method and device for the manufacture of flexible electrical cables
CH54570A
(en )
1912-06-01
Device for regulating electric arc lamps
CH71514A
(en )
1916-01-17
Equipment on electrical machines and apparatus for alternating current to protect them against current overload
CH70214A
(en )
1915-09-01
Device for magnetically influencing electric arcs in vacuum vessels
AT71522B
(en )
1916-04-10
Insulator for laying and tensioning electrical cables.
CH74735A
(en )
1917-09-17
Washing method and equipment for carrying out the same
CH69187A
(en )
1915-06-01
Etching process and equipment for performing the same
FR479413A
(en )
1916-03-29
Coils, for electrical purposes, and their winding method
CH71252A
(en )
1915-12-16
Method for preventing the formation of moisture in air-cooled electrical machines
CH57530A
(en )
1913-01-16
Device for carrying out gas reactions in an electric flame arc
CH72051A
(en )
1916-03-16
Process for the electrical cleaning of gases by means of high voltage currents
CH70239A
(en )
1915-09-01
Method and apparatus for breaking coconuts and the like
AT71575B
(en )
1916-04-25
Method and device for electrical welding.
CH72428A
(en )
1916-06-02
Method and device for charging closed electric furnaces
CH47860A
(en )
1910-08-16
Device for starting and stopping electric motors
CH58784A
(en )
1913-04-01
Device for the electrical display of characters