CH39968A
(en )
1908-05-16
Enamelled insulating tube with a folded metal jacket for laying electrical lines
FR377883A
(en )
1907-09-18
Insulating tube with a stapled and enamelled metal jacket for electrical conduits
CH39886A
(en )
1908-05-01
Electric transformer furnace
FR377210A
(en )
1907-08-31
Insulating tubes for electrical pipelines
FR376604A
(en )
1907-08-14
Conduits for electric cables
FR384096A
(en )
1908-03-28
Electric arc furnace
CH36422A
(en )
1907-01-15
Pliers for bending insulating pipes with a metal jacket
FR390096A
(en )
1908-09-25
Insulator for electric cables
CH46756A
(en )
1910-04-16
Tube for electrical conductors
CH41825A
(en )
1908-12-01
Electric resistance furnace
CH39523A
(en )
1908-03-16
Electric resistance furnace
FR390846A
(en )
1908-10-15
Insulator for electrical conductors
CH35244A
(en )
1906-07-31
Pliers for bending insulating pipes with a metal jacket
FR369195A
(en )
1906-12-31
Insulating sleeves for electrical wires
CH37780A
(en )
1907-07-31
Electric transformer furnace
CH38488A
(en )
1907-10-31
Electric transformer furnace
CH39367A
(en )
1908-03-02
Electric transformer furnace
CH41960A
(en )
1908-12-16
Electric induction furnace
FR407781A
(en )
1910-03-10
Tool for stripping insulated electrical conductors
ES35976A1
(en )
1905-06-01
A new procedure for insulating electrical wires and cables.
FR390765A
(en )
1908-10-14
Improvement in insulated electrical conductors with tubular metal casing
CH44424A
(en )
1909-08-02
Metal-sheathed insulated cable
CH39204A
(en )
1908-02-17
Tool for examining electrical lines
CH42241A
(en )
1909-01-16
Electric melting furnace
CH41674A
(en )
1908-11-16
Electric melting furnace