AT89313B
(en )
1922-09-11
Switching arrangement for drives with two alternating current motors in series.
CH101502A
(en )
1923-10-01
Electric switch.
ES79371A1
(en )
1921-12-01
Improvements in electrical switching mechanisms.
ES79179A1
(en )
1921-11-01
Improvements in electrical switching mechanisms.
ES76930A1
(en )
1921-04-01
A device for heating liquids in motion by electric current.
ES80435A1
(en )
1922-04-01
Wedge for closing the grooves in electrical machines, especially in alternating current machines.
ES79222A1
(en )
1921-11-16
Improvements in electrical switching mechanisms.
ES80322A1
(en )
1922-08-01
Improvements in electric capacitors.
ES77538A1
(en )
1921-06-01
Improvement in electric ovens.
ES79458A1
(en )
1922-01-01
Improvements in electric ovens.
ES80161A1
(en )
1922-03-01
Improvements in electrical transformers.
ES76750A1
(en )
1921-03-01
Improvements in electrical transformers.
AT99347B
(en )
1925-02-25
Switch for high voltage alternating current.
ES87608A1
(en )
1924-02-01
Improvements in the switches for electric current.
ES77481A1
(en )
1921-06-01
Improvements in alternating current electric motors.
ES73441A1
(en )
1920-07-16
Improvements in electrical rectifiers with the corresponding methods for their operation.
ES80238A1
(en )
1922-03-16
Improvements in electrical relays.
ES78920A3
(en )
1921-10-01
Improvements introduced in electrical machines.
ES76803A1
(en )
1921-03-01
Alternating motion electric motor.
ES77618A1
(en )
1921-07-01
Improvements in counter-compounding dynamos.
ES85354A3
(en )
1923-07-01
Improvements in electrical welding.
ES77788A1
(en )
1921-06-01
Improvements in electric accumulators.
ES73830A1
(en )
1920-08-16
Improvements in electrical switches.
ES76422A1
(en )
1921-02-16
Improvements in electrical switches.
DK32345C
(en )
1923-10-08
Overhead line for Power transmission with high voltage DC.