CH19170A
(en )
1900-05-31
Installation for the storage and intermittent emptying of sewage or other similar liquids
CH19171A
(en )
1900-05-31
Installation for the distribution of sewage or other similar liquids
FR321031A
(en )
1902-12-27
Sterilizer for water or other liquids
CH19168A
(en )
1900-05-15
Apparatus for the treatment of sewage and other similar liquids
FR502027A
(en )
1920-05-01
Improvements in aeration and purification of sewage and other impure liquids
FR414215A
(en )
1910-08-29
Device for the distribution of sewage and other liquids
FR340115A
(en )
1904-06-27
Improvements to pneumatic systems to ensure drainage of sewage and other liquids
FR345736A
(en )
1904-12-09
Apparatus for preventing the freezing of water and other liquids in pipes or containers
FR476856A
(en )
1915-09-07
Improvements in devices used for the treatment of sewage and other residual liquids
FR360970A
(en )
1906-05-09
Device for the purification of water and other liquids
FR438627A
(en )
1912-05-23
Apparatus for settling, settling or clarifying and oxidizing water or other liquids
GB189603047A
(en )
1897-01-23
Improvements in the Construction of Settling Tanks or Lodges Used in the Purification of Sewage and other Foul Waters, and in the Clarification of Manufacturers' Liquid Compositions.
FR460559A
(en )
1913-12-05
Continuous furnace for the concentration, evaporation and incineration of liquids such as: lye, waste water and other solutions
FR481941A
(en )
1917-01-31
Improvements in apparatus for the destructive distillation of sewage and other similar materials
CH16605A
(en )
1898-12-31
Installation for the purification of black water or sewage
FR328603A
(en )
1903-07-16
Fountain column for water, drinks and other liquids
FR453430A
(en )
1913-06-07
Container system for the conservation and use of volatile liquids
GB189611243A
(en )
1897-04-03
Improvements in the Purification of Sewage and other Liquids.
FR14000E
(en )
1911-08-18
Advanced devices for sterilizing water and other liquids
FR345962A
(en )
1904-12-24
Cooler or heater system for water and other liquids
FR474907A
(en )
1915-03-26
Method and apparatus for the purification, clarification and purification of drinking water, sewage and liquids in general
FR402365A
(en )
1909-10-06
Prepayment meter-dispenser for water and other liquids
FR10847E
(en )
1909-10-08
Device for purifying water or other liquids
CH30008A
(en )
1904-10-31
Installation for purifying sewage and other waste water
CH18770A
(en )
1900-03-15
Installation for the purification of carbonic acid