AT91061B
(en )
1923-01-25
Tension iron for AC and three-phase current measuring devices based on the Ferraris principle.
FR703726A
(en )
1931-05-05
Device for strengthening the fixing of winding heads of coils with flat conductors of rotating inductors of electrical machines, in particular of turbo-inductors
FR26002E
(en )
1923-07-18
Fastening insulators for pole-mounted oil-bath transformers and other oil-bath electrical devices exposed to the elements
FR647372A
(en )
1928-11-23
Method for determining the voltage equivalent of variable voltage electric currents
FR28516E
(en )
1925-03-10
Induction electricity meter
FR564095A
(en )
1923-12-20
Induction electricity meter
ES69050A1
(en )
1919-03-01
An auxiliary device for deoxidizing the curved "Wollaston" wires, used in the thermal conductors of thermophones and the like.
FR523130A
(en )
1921-08-12
Current meter for alternating current
CH131616A
(en )
1929-02-28
Drive system for alternating current meters with three-pronged tension iron and two-pole current iron.
FR663386A
(en )
1929-08-20
Dynamo test bench
FR550450A
(en )
1923-03-09
Electricity meter
FR722501A
(en )
1932-03-17
Device for the rapid excitation of alternating current generators
FR564317A
(en )
1923-12-27
Single-phase current meter
FR623010A
(en )
1927-06-14
Adjustment device for electric generators intended in particular for arc welding as well as for electric motors
AT104985B
(en )
1926-12-10
Drive system for single and multi-phase alternating current meters based on the induction or Ferraris principle.
CH49296A
(en )
1911-02-01
Measuring device for three-phase current, independent of the phase sequence, based on the Ferraris principle
FR599574A
(en )
1926-01-15
Means of avoiding the production of harmonics in alternating current circuits
FR753457A
(en )
1933-10-17
Ferraris electricity meter for alternating current
FR548085A
(en )
1923-01-04
Advanced base induction meter for measuring AC power consumption
FR526182A
(en )
1921-10-03
Device for the static transformation of three-phase currents into single-phase currents
DK30533C
(en )
1922-10-30
Tension iron for Electricity meters according to Ferrari's Principle.
ES78705A1
(en )
1921-11-16
Improvements in the "Stator" for electric energy meters in alternating currents.
DK32614C
(en )
1923-12-17
Apparatus for Determining the Location of Fault Points in Cables and Insulated Electrical Wires.
FR579921A
(en )
1924-10-27
Improvements to AC electricity meters
FR572815A
(en )
1924-06-13
Wire tie device for electrical connections