FR384148A
(en )
1908-03-30
Electric airship
CH40104A
(en )
1908-06-01
High voltage insulator with an insulating protective cover for the power wire
CH40255A
(en )
1908-06-16
Insulator for electric lines
CH46239A
(en )
1910-02-16
Fixing device for electrical conductors on insulators
CH43700A
(en )
1909-06-01
High voltage insulator
CH43241A
(en )
1909-04-16
Support device for masts
CH43382A
(en )
1909-05-01
Fixing device for brackets and cross wires on round masts
ES43182A1
(en )
1908-06-01
Improvements in insulating supports for high voltage conductors.
CH53489A
(en )
1912-03-01
High voltage cable with air insulation
CH34917A
(en )
1906-11-15
Interception device on pantographs with contact rollers from electrical railways
CH43381A
(en )
1909-05-01
Mast holder
CH49326A
(en )
1911-02-01
High voltage insulator
FR391404A
(en )
1908-10-31
Electrical conductor
CH49623A
(en )
1911-03-01
Supports for electrical measuring devices
CH46902A
(en )
1910-05-02
Overhead conductor with surge arrester
CH46593A
(en )
1910-03-16
Inkwell with adjustable immersion funnel
CH53359A
(en )
1912-02-16
Current connection device for electrical signaling devices and the like
CH47599A
(en )
1910-07-16
Mast stand
CH41709A
(en )
1908-11-16
Automatic electrical point setting device on electrical tram systems with overhead lines
CH45720A
(en )
1909-12-16
Lifting device on the trolley
FR392555A
(en )
1908-11-30
Insulator
CH49969A
(en )
1911-04-17
Electrical contact device
FR401606A
(en )
1909-09-06
Surge arrester for overhead conductors
CH39097A
(en )
1908-02-01
insulator
CH42974A
(en )
1909-03-16
Insulated suspension of the suspension cables for electrical contact lines