CH30503A
(en )
1904-12-31
Device for automatic water elevation
FR350062A
(en )
1905-08-30
Device for direct and automatic water elevation
FR354944A
(en )
1905-10-18
Automatic device for water improvement
FR352489A
(en )
1905-08-11
Safety device for water levels
FR354358A
(en )
1905-10-04
Device for water purification
FR355535A
(en )
1905-11-06
Automatic device for removing eggs from boiling water
FR376326A
(en )
1907-08-06
Device for water purification
FR354605A
(en )
1905-10-09
Automatic flushing device for wardrobes
FR362993A
(en )
1906-07-18
Device for water purification
FR350104A
(en )
1905-10-13
Automatic water sterilizer
FR341784A
(en )
1904-08-19
Device for sounding the depth of water
CH30307A
(en )
1904-11-30
Advanced device for heating water
FR398910A
(en )
1909-06-17
Device for cleaning main water pipes
FR354275A
(en )
1905-10-02
Distribution device for water purification devices
FR345966A
(en )
1904-12-24
Device for water purification
FR330873A
(en )
1903-08-26
Device for the automatic laying of covers in mechanical presses
FR351359A
(en )
1905-07-13
automatic boiler water purifier
CH33706A
(en )
1906-01-15
Apparatus for osonating water for sterilization
FR399078A
(en )
1909-06-22
Device for walking on water
CH28481A
(en )
1904-04-30
Installation for storing water
FR358368A
(en )
1906-02-12
Device for automatically draining water from steam cylinders
FR359021A
(en )
1906-03-14
Water heating device
FR321214A
(en )
1903-01-05
Automatic flushing device for lavatories
FR358820A
(en )
1906-03-09
Feeding device for water purification devices
FR14401E
(en )
1911-12-13
Automatic flow limiter device for water pipes