CH19171A
(en )
1900-05-31
Installation for the distribution of sewage or other similar liquids
CH19170A
(en )
1900-05-31
Installation for the storage and intermittent emptying of sewage or other similar liquids
FR321031A
(en )
1902-12-27
Sterilizer for water or other liquids
CH16605A
(en )
1898-12-31
Installation for the purification of black water or sewage
CH19168A
(en )
1900-05-15
Apparatus for the treatment of sewage and other similar liquids
CH18770A
(en )
1900-03-15
Installation for the purification of carbonic acid
CH30008A
(en )
1904-10-31
Installation for purifying sewage and other waste water
FR340115A
(en )
1904-06-27
Improvements to pneumatic systems to ensure drainage of sewage and other liquids
FR1210E
(en )
1903-06-23
New valve with limited flow, for dispensing water or any liquid
CH22894A
(en )
1902-05-15
Embankment to regulate the flow of torrential waters
FR414215A
(en )
1910-08-29
Device for the distribution of sewage and other liquids
FR336844A
(en )
1904-03-18
Improvements in deposit tanks and other similar devices, especially for the treatment of sewage
FR328603A
(en )
1903-07-16
Fountain column for water, drinks and other liquids
CH19305A
(en )
1900-06-15
Installation for the conservation of food substances
CH320E
(en )
1900-08-15
Installation for the conservation of food substances
GB189903493A
(en )
1900-01-20
Improvements in or relating to the Separation of Solids from Liquids containing them.
FR359128A
(en )
1906-03-16
Device for purifying water or other liquids
FR345736A
(en )
1904-12-09
Apparatus for preventing the freezing of water and other liquids in pipes or containers
FR360970A
(en )
1906-05-09
Device for the purification of water and other liquids
CH18265A
(en )
1899-11-15
Safety drainer for mineral spirits
FR345962A
(en )
1904-12-24
Cooler or heater system for water and other liquids
CH19056A
(en )
1900-04-30
Watertight lid for jars of all kinds
CA67785A
(en )
1900-06-19
Water purifier
CA65265A
(en )
1899-12-07
Water purifier
CA73469A
(en )
1901-10-22
Purification of greasy water