DK46439C
(en )
1932-11-07
Device for Increasing the Energy Transfer Capacity of AC Power Cables.
DK45758C
(en )
1932-06-06
Device for Increasing the Power Transmission Capacity of High Voltage Cables.
FR671744A
(en )
1929-12-18
Power transformer
FR697852A
(en )
1931-01-23
Power transformer
FR673097A
(en )
1930-01-10
Power transformer
FR689252A
(en )
1930-09-04
Heat accumulator
DK43794C
(en )
1931-03-02
Electrical Power Cable.
FR655200A
(en )
1929-04-16
Heat generator
DK46621C
(en )
1932-12-12
Device for Voltage Regulation of AC Cables.
DK46458C
(en )
1932-11-14
Device for Voltage Regulation of AC Cables.
ES113994A1
(en )
1929-09-16
Improvements in AC power systems.
FR673360A
(en )
1930-01-14
Electric time devices
FR695590A
(en )
1930-12-18
Power amplifying devices
FR688930A
(en )
1930-08-30
Device for protecting the windings of electrical machines and devices against heat damage
DK44790C
(en )
1931-11-02
Device at the ground connection for electric heating plates.
ES107050A1
(en )
1928-06-16
An accumulator suitable for charging with alternating or continuous currents.
DK42211C
(en )
1930-05-12
Device for single-phase electric meters.
ES109730A1
(en )
1928-11-16
Improvements in electrical regulation systems.
FR642880A
(en )
1928-09-06
Heat accumulator
FR649676A
(en )
1928-12-26
Heat accumulator
ES115978A1
(en )
1930-01-01
CHARGING DEVICE FOR ELECTRIC SPOLETS.
FR661831A
(en )
1929-07-30
Automatic power limiter for electrical devices
ES104697A1
(en )
1927-12-01
Improvements in electricity accumulator power systems.
ES115512A1
(en )
1930-03-01
Protection device for electric power transmission systems.
DK44199C
(en )
1931-06-08
Heat transfer device.