CH42642A
(en )
1909-02-16
Device for reducing the voltage drop in the return line of AC railways
CH40399A
(en )
1908-07-01
Device for reducing the voltage drop in AC railways
CH42141A
(en )
1909-01-02
Device for the separation of solids carried in watercourses
CH29238A
(en )
1904-07-31
Device for reducing the voltage drop in AC machines
CH39121A
(en )
1908-02-01
Device for tram cars to prevent people from being run over
CH28716A
(en )
1904-05-31
Device for reducing the voltage drop in AC machines
CH29348A
(en )
1904-08-15
Device for reducing the voltage drop in AC machines
CH35987A
(en )
1906-11-15
Device for voltage regulation in AC machines
CH43859A
(en )
1909-06-16
Device for fastening railroad tracks
CH39806A
(en )
1908-04-16
Device for the prevention of railway collisions
CH49589A
(en )
1911-03-01
Device to prevent ties from slipping
CH47059A
(en )
1910-05-16
Point setting device in railway systems
CH45726A
(en )
1909-12-16
Device for stopping the train from the track
CH39203A
(en )
1908-02-17
Device for controlling alternating current machines connected in parallel
CH43099A
(en )
1909-04-01
Safety device for DC and AC systems
CH39658A
(en )
1908-04-01
Device to avoid sparking in AC collector machines
AT41163B
(en )
1910-02-25
Device for using flywheels in direct current systems.
AT40263B
(en )
1909-12-27
Device for the regulation of alternating current systems.
CH56952A
(en )
1912-12-02
Device for converting carriages into sleds
CH44326A
(en )
1909-08-02
Equipment for bed load cleaning of watercourses
CH42453A
(en )
1909-02-01
Device on rails to prevent walking
CH43250A
(en )
1909-04-16
Device for the prevention of accidents in the bath
CH37554A
(en )
1907-06-30
Device for bridging connecting parts in the catenary of an electric train
CH39570A
(en )
1908-03-16
Railroad crossing
CH37076A
(en )
1907-04-15
Device for the temporary covering of containers in order to avoid accidents