CH40377A
(en )
1908-07-01
Single-phase alternating current electromagnet
CH73338A
(en )
1917-02-01
Hinged joint between an alternating current electromagnet and its armature
FR390541A
(en )
1908-10-07
Alternating current electromagnet
CH29878A
(en )
1904-10-15
Electromagnet assembly with polarized armature for AC operation
CH49359A
(en )
1911-02-01
Set up for doorbell systems with reverse current operation and with electromagnetic activation of the doorbell
CH73337A
(en )
1917-02-01
Latching on alternating current electromagnets
FR390997A
(en )
1908-10-20
Electromagnet for alternating current
CH49483A
(en )
1911-02-16
Magnetic electric generator
FR7895E
(en )
1907-11-14
Alternating current electromagnet
CH48615A
(en )
1910-11-16
Mechanical time fuse with clockwork
CH48028A
(en )
1910-09-01
Airship anchor
FR532952A
(en )
1922-02-16
alternating current electromagnet
CH45555A
(en )
1909-12-01
Main current motor for alternating current with auxiliary fields
CH40373A
(en )
1908-07-01
Same-rom armature with double parallel winding
CH48003A
(en )
1910-09-01
Electrical resistance for heating and resistance purposes
CH44250A
(en )
1909-07-16
Chronoscope with secondary excited magnet
FR401566A
(en )
1909-09-03
Electric current rectifier
CH46458A
(en )
1910-03-16
AC current meter
FR416917A
(en )
1910-11-02
Electromagnet for alternating current
CH61777A
(en )
1913-10-16
Electromagnetic current limiter
AT46680B
(en )
1911-02-25
Telephone relay with double coil.
CH49203A
(en )
1911-01-16
Electric block field
FR389704A
(en )
1908-09-16
Armature aerostat
CH33501A
(en )
1905-12-15
Current collector for magneto-electric igniters with oscillating armature
CH35498A
(en )
1906-08-31
Current collector for magneto-electric igniters with oscillating armature