CH44147A
(en )
1909-07-01
Electric valve for the flow of surges in power lines
FR399916A
(en )
1909-07-10
Electric valve for surge flow
CH43384A
(en )
1909-05-01
Electric valve for surge flow
CH61122A
(en )
1913-09-16
Electric valve for surge flow
CH61123A
(en )
1913-09-16
Electric valve for surge flow
CH42948A
(en )
1909-04-01
Electric valve for surge flow
FR17959E
(en )
1914-01-05
Electric valve for surge flow
FR459777A
(en )
1913-11-14
Improvements in devices for compressing fluids
FR486110A
(en )
1918-03-12
Electric valve for surge flow
CH74566A
(en )
1917-08-16
Electric valve for surge flow
FR386564A
(en )
1908-06-17
Improvements in lifting devices for water
FR387823A
(en )
1908-07-23
Improvements in flexible metal pipes
FR390342A
(en )
1908-10-02
Improvements in irrigators
FR394953A
(en )
1909-02-06
Water volume meter
FR390691A
(en )
1908-10-12
Water heater device
FR396691A
(en )
1909-04-17
Anti-drip device for taps and other water intakes
FR388986A
(en )
1908-08-27
Improvements in the construction of trolleys for electric tramways
FR387971A
(en )
1908-07-29
Improvements in switching mechanisms for railways
FR11416E
(en )
1910-02-11
Improvements in electric locomotives
FR453150A
(en )
1913-05-31
Improvements in devices for pumping water
FR394639A
(en )
1909-01-28
Devices for ensuring complete combustion in locomotives and other fireplaces
FR405751A
(en )
1910-01-13
Improvements in micro-receptors or translators
FR399819A
(en )
1909-07-08
Improvements in carburetors
FR388099A
(en )
1908-08-01
Valve for bath heaters
FR399170A
(en )
1909-06-23
Improvements in cinematographs