CH21150A
(en )
1901-05-31
Device for converting alternating current into direct current
FR355945A
(en )
1905-11-16
Device for converting alternating currents into direct current
CH14373A
(en )
1897-11-15
New broom for dynames generating or receiving electric current
CH42791A
(en )
1909-03-01
Device for transforming polyphase alternating currents into direct current
CH12769A
(en )
1897-02-28
AC transformer
CH14495A
(en )
1897-12-15
Device for electrical heating using alternating current
FR358522A
(en )
1906-02-20
Device for the distribution of alternating electric current
FR452914A
(en )
1913-05-27
System for transforming energy meters for direct current or alternating currents into overflow meters
FR323125A
(en )
1903-02-25
Polyphase alternating current transformer or single phase direct current
CH364E
(en )
1901-11-30
Device for electrical heating using alternating current
CH13706A
(en )
1897-08-15
Petroleum cooking apparatus
CH11587A
(en )
1896-07-31
Massage device for electric massage
FR370906A
(en )
1907-02-22
Device for controlling the supply of current to alternating current electric motors
CH15198A
(en )
1898-04-15
Current regulator for cars with electric motors
CH380E
(en )
1902-06-15
Device for electrical heating using alternating current
CH10707A
(en )
1896-02-15
Automatic converter from single-phase alternating current to direct current, or vice versa
GB189606477A
(en )
1897-03-06
An Improved Cord Grip for Electric Light Fittings.
CH25201A
(en )
1903-04-15
Installation for converting alternating current into direct current and adjusting the latter
CH40921A
(en )
1908-09-01
Rotary transformer for converting alternating current into direct current and vice versa
CH13067A
(en )
1897-04-15
A regulator for electric lamps
FR464989A
(en )
1914-04-04
Device for converting alternating current to direct current
FR474587A
(en )
1915-02-25
Device for transforming direct current into alternating current or vice versa
ES20198A1
(en )
1897-03-01
An apparatus for limiting electric current.
FR382167A
(en )
1908-01-31
Polyphase alternating current to direct current transformer device
CH13164A
(en )
1897-05-15
Hydro-lifting device