CH36974A
(en )
1907-03-31
Device for cooling the conductors of electrical power equipment
CH43823A
(en )
1909-06-16
Equipment on electrical machines for cooling them
CH46239A
(en )
1910-02-16
Fixing device for electrical conductors on insulators
CH38427A
(en )
1907-10-15
Switching device on electrical block units
CH35499A
(en )
1906-12-15
Cooling device on electrical machines
CH42607A
(en )
1909-02-16
Device for watertight locking of electrical rotary switches
CH37642A
(en )
1907-07-15
Equipment on electric furnaces to obtain thin slag
CH69402A
(en )
1915-06-16
Device for removing the insulation from electrical conductors
CH34174A
(en )
1906-03-15
Isolation device on electrical lines
CH43697A
(en )
1909-06-01
Cooling device for encapsulated electrical machines
CH30511A
(en )
1904-12-31
Clamping device on electrical apparatus for connecting lead wires
FR363177A
(en )
1906-07-23
New equipment for electric lamps
FR6519E
(en )
1906-12-17
New equipment for electric lamps
FR7633E
(en )
1907-09-17
New equipment for electric lamps
CH41957A
(en )
1908-12-16
Cooling device on electrical machines
CH34056A
(en )
1906-03-15
Cooling device on electrical machines
CA105381A
(en )
1907-05-21
Means of cooling electrical apparatus
CH35992A
(en )
1906-11-15
Electrical resistance apparatus
FR365872A
(en )
1906-09-19
Advanced conduit for electrical conductors
CH32754A
(en )
1905-08-31
Switching device on electrical signal boxes
CH37815A
(en )
1907-07-31
Electrical insulator
CH35155A
(en )
1906-07-15
Protective device on the stands of electrical machines
CH50091A
(en )
1911-04-17
Equipment on electrical power consumers to control their use
CH40926A
(en )
1908-09-01
Isolation on electrical devices
CH37917A
(en )
1907-08-31
Equipment on electrical transformer furnaces to attenuate the stray fields