CH71393A
(en )
1916-01-03
Method and device for interrupting electric 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
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
CH74735A
(en )
1917-09-17
Washing method and equipment for carrying out the same
FI4692A
(en )
1911-12-29
Procedure for inducing gas reactions in electric arcs
CH66390A
(en )
1914-09-01
Device for fastening busbars in electrical switchgear
CH69187A
(en )
1915-06-01
Etching process and equipment for performing the same
CH65625A
(en )
1914-07-01
Method and device for manufacturing electric incandescent lamps
CH71252A
(en )
1915-12-16
Method for preventing the formation of moisture in air-cooled electrical machines
CH70239A
(en )
1915-09-01
Method and apparatus for breaking coconuts and the like
CH67636A
(en )
1915-01-02
Method and device for operating centrifugal compressors
CH72425A
(en )
1916-05-16
Device for switching electrical circuits on and off
CH72569A
(en )
1916-10-16
Device for cutting and removing wire obstacles
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
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH65413A
(en )
1914-06-16
Method and device for the separation of gas mixtures
CH67966A
(en )
1915-02-01
Device for the immunization of electrical lines against the influence of neighboring alternating currents
AT82885B
(en )
1921-02-25
Device for closing and interrupting the electrical current.