CH71474A
(en )
1916-01-17
DC meter with iron in the current field
CH74581A
(en )
1917-03-16
DC measuring apparatus with iron in the main current field
CH74809A
(en )
1917-04-16
DC measuring apparatus with iron in the main current field
DK21370C
(en )
1916-07-24
DC measuring instrument with iron in the current field.
DK22159C
(en )
1917-05-21
Commissioning device for DC measuring devices with iron in the main current field.
CH72875A
(en )
1916-07-17
AC motor with several numbers of poles based on the winding of one part
CH58238A
(en )
1913-03-01
Alternating current meter with three-legged magnetic iron
DK32513C
(en )
1923-11-19
Swivel field synchronous motor with short-circuit anchor.
DK32737C
(en )
1924-01-21
Swivel field synchronous motor with short-circuit anchor.
ES60215A1
(en )
1915-06-01
Improvements in electric batteries.
ES61583A1
(en )
1916-02-16
Improvements in current meters.
AU185616B
(en )
1917-08-14
Improvements in current motors
AT88434B
(en )
1922-05-10
DC converter set in economy circuit.
CH64736A
(en )
1914-04-16
Direct current meter with electromagnetic index drive
AU1566015B
(en )
1915-07-13
Improvements in solenoids for alternating current
ES55116A1
(en )
1913-05-16
Improvements in flat coil electric meters.
AT91056B
(en )
1923-01-25
AC train magnet.
CH69984A
(en )
1915-08-16
Single-phase electricity meter based on the Ferraris principle
CH62891A
(en )
1913-12-16
Basic rangefinder with dividing line in the image field
CH75737A
(en )
1917-09-17
Electric flat iron
GB191307146A
(en )
1914-01-08
Improvements in Combined Dynamos and Governors.
AU1653515B
(en )
1916-06-06
Improvements in suspender attachments
ES62577A1
(en )
1916-10-16
A measuring device for direct current with iron in the current field.
ES60560A1
(en )
1915-07-16
Improvements in electrical relays.
CH71899A
(en )
1916-03-01
Self-cooking with electric heating