FR489338A
(en )
1919-01-22
Drinking water flow limiter device
FR488021A
(en )
1918-08-13
Device for water softening
FR491372A
(en )
1919-05-31
Valve for water pipes and other fluids
FR522201A
(en )
1921-07-28
Device for the control of chemical water purification
FR489399A
(en )
1919-01-27
Automatic flow regulator for water distribution
ES66065A1
(en )
1918-02-01
A device that limits the consumption of drinking water.
FR488433A
(en )
1918-10-08
Improvements to automatic water purifiers
FR492238A
(en )
1919-07-02
Water heater
FR521154A
(en )
1921-07-07
Water pipe tap
FR503022A
(en )
1920-06-01
Water or steam tap
CH81665A
(en )
1919-07-01
water tap
FR524932A
(en )
1921-09-13
Sealing device for drinking water distribution
FR529763A
(en )
1921-12-06
Condensation water drain device
ES59898A1
(en )
1915-04-01
A device that limits the consumption of drinking water.
FR749759A
(en )
1933-07-29
Device for the purification of drinking water
CH76728A
(en )
1918-06-17
Water lifting device
FR522153A
(en )
1921-07-27
Valve for water pipes or other fluids
FR519955A
(en )
1921-06-18
Feed water heating device for locomotives, with separation of encrusting matter
FR552060A
(en )
1923-04-23
Mechanical water purification device
FR494400A
(en )
1919-09-06
Removable water cooler
FR501310A
(en )
1920-04-09
Water flow valve with regulator
FR514646A
(en )
1921-03-15
Water purification device
FR470669A
(en )
1914-09-24
Device for the complete renewal of water in aquariums, ponds, lakes, etc.
FR538654A
(en )
1922-06-13
Metering device for the purification of boiler feed water, and other applications
FR492566A
(en )
1919-07-11
Water heating device