CH66650A
(en )
1914-10-01
Device for cooling electrical machines
CH68006A
(en )
1915-02-01
Device for cooling electrical machines
CH53182A
(en )
1912-02-01
Device for cooling electrical machines
CH49490A
(en )
1911-02-16
Device for cooling electrical machines
CH37670A
(en )
1907-07-15
Device for cooling electrical machines
CH46638A
(en )
1910-04-01
Device for cooling electrical machine windings located in slots
AT41221B
(en )
1910-02-25
Device for cooling electrical machines.
AT53390B
(en )
1912-05-10
Cooling device for enclosed electrical machines.
CH43823A
(en )
1909-06-16
Equipment on electrical machines for cooling them
CH43697A
(en )
1909-06-01
Cooling device for encapsulated electrical machines
CH38262A
(en )
1907-09-30
Device for exciting electrical machines
CH42107A
(en )
1909-01-02
Device for cooling collectors of electrical machines
CH56690A
(en )
1912-11-16
Device for cooling electrical machines
CH41667A
(en )
1908-11-02
Device for cooling electrical machines by means of cooling air slots
CH41957A
(en )
1908-12-16
Cooling device on electrical machines
CH46376A
(en )
1910-03-01
Automatic regulation device for electrical machines
CH35499A
(en )
1906-12-15
Cooling device on electrical machines
CH61535A
(en )
1913-10-01
Device for cooling electrical machines
CH34056A
(en )
1906-03-15
Cooling device on electrical machines
FR372990A
(en )
1907-04-25
Cooling device for electric motors
FR370321A
(en )
1907-02-04
Brushes for electrical machines
CH35992A
(en )
1906-11-15
Electrical resistance apparatus
CH37814A
(en )
1907-07-31
Rotating field magnet for electrical machines
CH37852A
(en )
1907-08-15
Electric radiator
CH41666A
(en )
1908-11-16
Device for drawing current from collectors of electrical machines