CH38938A
(en )
1908-01-02
Device for displaying changes in state by means of the electric current
CH38356A
(en )
1907-10-15
Device for displaying current losses in electrical lines
CH41771A
(en )
1908-11-16
Device for the production of nitrogen oxides by means of the electric arc
CH47860A
(en )
1910-08-16
Device for starting and stopping electric motors
AT82885B
(en )
1921-02-25
Device for closing and interrupting the electrical current.
AT31977B
(en )
1908-02-25
Device for balancing the power requirements of three-phase machines.
CH33133A
(en )
1905-10-31
Device with electric motors for quick stopping of the same
CH71257A
(en )
1915-12-16
Device for automatically limiting the current to electrical appliances
CH45347A
(en )
1909-11-01
Circuit for driving electric clocks or other apparatus to be driven
CH63086A
(en )
1914-01-02
Electrical device for displaying the insertion of objects in letter boxes
CH40338A
(en )
1908-07-01
Measuring device for controlling the consumption of electrical energy
CH70783A
(en )
1915-11-01
Device for measuring the electrical current
CH83069A
(en )
1919-11-01
Device for measuring the electrical current
CH82918A
(en )
1919-11-01
Device for measuring the electrical current
AT25593B
(en )
1906-09-10
Device for the automatic starting of AC motors.
CH35155A
(en )
1906-07-15
Protective device on the stands of electrical machines
CH50839A
(en )
1911-07-01
Device on pantographs for switching working pins
CH36084A
(en )
1906-11-30
Electric device for ringing bells
CH44657A
(en )
1909-09-01
Device for chopping onions
CH45849A
(en )
1910-01-03
Device for amplifying the effect of a weak electric current
CH43697A
(en )
1909-06-01
Cooling device for encapsulated electrical machines
CH54013A
(en )
1912-04-16
Device for stopping and returning electrically operated mechanisms to their starting position
AT71244B
(en )
1916-02-25
Device for displaying the load status of machines with axis controllers.
CH37554A
(en )
1907-06-30
Device for bridging connecting parts in the catenary of an electric train
FI2681A
(en )
1906-08-22
Electric power supply