AT13115B
(en )
1903-08-25
Device for the transmission of electrical energy.
CH27883A
(en )
1904-03-31
Device for storing energy
AT25138B
(en )
1906-07-25
Device for starting and stopping electric motors.
DK6592C
(en )
1904-05-30
Apparatus for Heating Apparatus Using Electricity.
CH6739A
(en )
1893-10-14
Device for regulating the heating power in electric heating devices
CH32210A
(en )
1905-06-30
Thermoelectric power generator
CH32982A
(en )
1905-09-30
Cooking apparatus with device for heating water
FR343094A
(en )
1904-09-24
Electric oven device
CH32121A
(en )
1905-06-15
Electric heater
CH32120A
(en )
1905-06-30
Electric heater
CH32262A
(en )
1905-07-15
Electric heater
CH40338A
(en )
1908-07-01
Measuring device for controlling the consumption of electrical energy
CH31899A
(en )
1905-05-31
Apparatus for heating irons
CH30511A
(en )
1904-12-31
Clamping device on electrical apparatus for connecting lead wires
CH31061A
(en )
1905-02-28
Electric transformer furnace
CH31822A
(en )
1905-05-15
Thermal power plant
CH1167A
(en )
1889-09-27
Apparatus for storing electrical energy
CH32123A
(en )
1905-06-30
Apparatus for etching plates
ES34406A1
(en )
1904-09-01
Improvements in mineral concentrating devices.
CH35026A
(en )
1906-06-30
Hydraulic device for the storage and utilization of energy for power and electrical systems
FR342744A
(en )
1904-09-15
Heat generator
DK6507C
(en )
1904-04-25
Broom holder for Dynamos and electric motors.
CH21217A
(en )
1901-06-15
Device for heating tents
DK6242C
(en )
1904-01-04
Device by Power Machines.
FR341466A
(en )
1904-08-09
Improvements in electric generating machines