DK43264C
(en )
1930-10-27
Device by induction coils with branches and air gap in the iron core.
CH160268A
(en )
1933-02-28
Induction device with winding and iron core.
FR657242A
(en )
1929-05-18
Advanced training in electrical transformers
ES114650A1
(en )
1929-10-16
Improvements in the cores for the electric induction coils.
DK41572C
(en )
1930-02-03
The magnetic core.
ES117295A1
(en )
1930-04-01
Improvements in electric induction furnaces without core.
FR663423A
(en )
1929-08-21
Improvements to induction furnaces with magnetic core
AT124995B
(en )
1931-10-26
Induction coil and device for winding arcuate bodies.
FR651726A
(en )
1929-02-27
Improvements to induction coils
GB315447A
(en )
1929-07-15
Improvements in electro-magnetic indicating devices, relays and the like
ES108282A2
(en )
1928-08-16
Improvements in electrical transformers.
FR683731A
(en )
1930-06-17
Waving iron
SU18637A1
(en )
1930-11-30
Blowgun with compressor device in the butt
GB308012A
(en )
1929-03-21
Improvements in bearings
FR35239E
(en )
1929-12-17
Improvements to shunts and magnetic keys
ES99260A1
(en )
1926-11-01
Improvements in the refrigeration coils.
FR757946A
(en )
1934-01-08
Improvements in needle handling by electromagnet
FI12071A
(en )
1928-08-10
Device for iron beds with railings
FR649282A
(en )
1928-12-20
Magnetic hydro-compressor
ES114615A1
(en )
1929-09-16
Improvements in the machines for manufacturing magnetic cores for dynamos and the like.
ES108635A1
(en )
1928-09-01
Improvements in electric locomotives.
ES115084A1
(en )
1929-11-01
Improvements in electric induction furnaces.
ES108346A1
(en )
1928-08-16
Iron cores with winding in squirrel cage style for electric machines and appliances.
DK45756C
(en )
1932-06-06
Core for electric inductors.
FR37226E
(en )
1930-11-03
Improvement in resonance amplifiers