CH73726A
(en )
1916-11-16
Blowing electromagnet with tear-off electrodes for switches in electrical systems
CH74093A
(en )
1917-01-02
Blowing electromagnet with tear-off electrodes for switches in electrical systems
FR470066A
(en )
1914-08-20
Circuit breaker
CH58320A
(en )
1913-03-01
Switching in electrical block works
FR469833A
(en )
1914-08-12
Electro magnet
CH69065A
(en )
1915-05-17
Electromagnetically controlled power switch
CH69555A
(en )
1915-07-01
High voltage fuse
CH68099A
(en )
1915-02-16
Switch group arrangement
CH69689A
(en )
1915-07-16
Circuit for direct current systems
ES58790A1
(en )
1914-09-01
Improvements in electric oven installations.
DK27809C
(en )
1921-06-13
Procedure for Placing Electrodes in Electric Furnaces.
CA155669A
(en )
1914-05-19
Voltmeter switch
ES58235A1
(en )
1914-07-01
Improvements in electric gas lamps.
ES58236A1
(en )
1914-07-01
Improvements in electric gas lamps.
ES58237A1
(en )
1914-07-01
Improvements in electric gas lamps.
ES58735A1
(en )
1914-08-16
Improvements in electric gas lamps.
FR506616A
(en )
1920-08-26
Electro-magnetic switch
CH68400A
(en )
1915-04-01
Advanced switch
DK18438C
(en )
1914-02-02
Power switch.
AT90823B
(en )
1923-01-10
High voltage switch with trip relay and automatic switch-on device.
FR475715A
(en )
1915-06-10
Bottle
DK19112C
(en )
1914-08-10
Socket with switch.
CH70022A
(en )
1915-08-16
Switching arrangement for pole changing on asynchronous motors
DK24277C
(en )
1919-03-24
Line switch for electric High-voltage systems.
CA158645A
(en )
1914-11-03
Electricity switch