CH19168A
(en )
1900-05-15
Apparatus for the treatment of sewage and other similar liquids
CH18875A
(en )
1900-03-31
Apparatus for lifting liquids
FR468277A
(en )
1914-07-02
Method and apparatus for the electrochemical treatment of liquids
FR414215A
(en )
1910-08-29
Device for the distribution of sewage and other liquids
FR428903A
(en )
1911-09-11
Apparatus for the mechanical treatment of impure water and liquids in general
FR476856A
(en )
1915-09-07
Improvements in devices used for the treatment of sewage and other residual liquids
FR343150A
(en )
1904-09-26
Process for the purification of sewage and other liquids, and apparatus for carrying it out
FR360970A
(en )
1906-05-09
Device for the purification of water and other liquids
CH19171A
(en )
1900-05-31
Installation for the distribution of sewage or other similar liquids
FR493985A
(en )
1919-08-27
Method and apparatus for the purification of sewage and other liquids
CH19170A
(en )
1900-05-31
Installation for the storage and intermittent emptying of sewage or other similar liquids
CH16849A
(en )
1899-02-28
Device for the treatment of impotence
FR332540A
(en )
1903-10-30
New device for purifying water and other liquids
FR438627A
(en )
1912-05-23
Apparatus for settling, settling or clarifying and oxidizing water or other liquids
FR356946A
(en )
1905-12-13
Method and apparatus for destroying pathogenic organisms in water and other liquids
FR364978A
(en )
1906-09-01
Apparatus for electrolysis of liquids
FR336844A
(en )
1904-03-18
Improvements in deposit tanks and other similar devices, especially for the treatment of sewage
FR447357A
(en )
1912-12-31
Method and apparatus for purifying 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
FR450041A
(en )
1913-03-13
Process for treating liquids such as waste water and others
FR5904E
(en )
1906-07-27
Sewage treatment device
FR486795A
(en )
1918-05-08
Apparatus for the purification of liquids and particularly mineral spirits
FR361998A
(en )
1907-02-09
Evaporation and absorption tank for the treatment of liquids
FR428919A
(en )
1911-09-11
Method and apparatus for the purification of water for industrial applications
FR476135A
(en )
1915-07-13
Method and apparatus for evaporation and distillation of liquids