CH22894A
(en )
1902-05-15
Embankment to regulate the flow of torrential waters
FR349918A
(en )
1905-07-27
Decanter for industrial water purification
CH20720A
(en )
1901-03-15
Water meter
FR456238A
(en )
1913-08-20
Improvements to the bottling of mineral waters
FR340451A
(en )
1904-07-07
Composition to purify sea water
FR388962A
(en )
1908-08-27
Process for refreshing water from rivers or others
FR342634A
(en )
1904-09-13
Pressure regulator for water pipes
CH19171A
(en )
1900-05-31
Installation for the distribution of sewage or other similar liquids
CH30008A
(en )
1904-10-31
Installation for purifying sewage and other waste water
FR502962A
(en )
1920-05-31
Improvements to devices to reduce the resistance offered by water to the advancement of ships
FR340115A
(en )
1904-06-27
Improvements to pneumatic systems to ensure drainage of sewage and other liquids
FR430705A
(en )
1911-10-23
Apparatus for purifying water used to supply boilers or for other purposes
FR345686A
(en )
1904-12-08
Improvements to water meters
FR321408A
(en )
1903-01-09
Water purifier
FR10960E
(en )
1909-11-17
New process and appropriate arrangements of purification and clarification basins for drinking water purification
FR16307E
(en )
1913-01-07
New process and appropriate arrangements of purification and clarification basins for drinking water purification
FR391100A
(en )
1908-10-22
New process and appropriate arrangements of purification and clarification basins for drinking water purification
FR13818E
(en )
1911-07-13
New process and appropriate arrangements of purification and clarification basins for drinking water purification
FR10024E
(en )
1909-04-10
New process and appropriate arrangements of purification and clarification basins for drinking water purification
FR478669A
(en )
1915-12-28
Sewage treatment plant
FR350327A
(en )
1906-01-12
Clarifier for drinking and industrial water
FR344174A
(en )
1904-10-26
Water clarification
FR332109A
(en )
1903-10-16
Water purification installation
FR350089A
(en )
1905-10-13
Process designed to ensure the inalterability of mineral waters
FR327204A
(en )
1903-06-17
Improvements to distribution taps for water meters