CH12619A
(en )
1897-01-31
A new device for heating water
FR345966A
(en )
1904-12-24
Device for water purification
FR327099A
(en )
1903-06-13
Apparatus for sterilizing water and beverages says: "safety"
GB189513075A
(en )
1895-08-10
Improvements in Apparatus for the Distillation of Water.
FR352489A
(en )
1905-08-11
Safety device for water levels
CH6993A
(en )
1893-12-15
Apparatus for water vapor disinfection
FR322405A
(en )
1903-02-04
Safety mixing device for steam and water
FR3532E
(en )
1904-12-03
Apparatus for water sterilization
FR331668A
(en )
1903-09-25
Apparatus for water sterilization
CH28485A
(en )
1904-05-15
A device for heating water
CH12245A
(en )
1896-11-15
Advanced apparatus for electrolysis
FR320692A
(en )
1902-12-17
Apparatus for distillation of salt water
FR376326A
(en )
1907-08-06
Device for water purification
FR362993A
(en )
1906-07-18
Device for water purification
CH29226A
(en )
1904-07-31
Apparatus for purifying feed water to steam generators
GB189523166A
(en )
1896-01-18
Improvements in Water Distilling Apparatus.
FR327286A
(en )
1903-06-18
Water shortage warning device for devices with continuous liquid circulation
FR354358A
(en )
1905-10-04
Device for water purification
FR357821A
(en )
1906-01-16
Filling device for sparkling water bottles
CH14631A
(en )
1898-01-31
Advanced apparatus for electrolysis
FR351548A
(en )
1905-07-19
Device for sounding depths of muddy water
CH10244A
(en )
1895-11-15
Device for making robed candles
FR358991A
(en )
1906-03-13
Method and apparatus for water purification
CH13073A
(en )
1897-04-15
Apparatus for the treatment of visual impairments
FR359046A
(en )
1906-03-14
Device for chemical testing of boiler water in operation