CH38807A
(en )
1907-12-15
Device for the elimination of the solid substances contained in the waste water
CH42141A
(en )
1909-01-02
Device for the separation of solids carried in watercourses
CH45493A
(en )
1909-11-16
Device for the separation of the liquid and solid components of waste water
CH44832A
(en )
1909-09-16
Device for the extraction of fat from waste water
CH45003A
(en )
1909-10-01
Device for the extraction of fat from waste water
FR380333A
(en )
1907-12-05
Apparatus for ridding liquids and in particular drain water from suspended matter
CH39473A
(en )
1908-03-16
Device for enabling lead pouring in order to compress pipe socket connections
CH43250A
(en )
1909-04-16
Device for the prevention of accidents in the bath
FR382252A
(en )
1908-02-03
Septic tank and purifier
CH40322A
(en )
1908-07-01
Device for the evaporation of liquids
FR394883A
(en )
1909-02-04
Apparatus to facilitate the rescue of sunken ships
CH44477A
(en )
1909-08-16
Process and system for regulating water runoff in valleys and watercourses and alluvial deposits
CH27228A
(en )
1903-12-15
Device for cleaning waste water
FR382219A
(en )
1908-02-01
Filtration apparatus for laboratories
CH48232A
(en )
1910-10-01
Process and device for the purification of waste water
FR378710A
(en )
1907-10-15
Apparatus for crushing, crushing and disaggregating ores and other substances
FR377248A
(en )
1907-08-31
Regulating device to prevent siphoning of air cutters in discharge pipes
FR386174A
(en )
1908-06-05
Septic tank and filter and deodorants
GB190726653A
(en )
1908-03-05
Improvements in and relating to Apparatus for Separating Liquid and Solid Matter in Sewage.
FR365463A
(en )
1906-09-08
Device for pushing the hatches of tanks and casks
CH44376A
(en )
1909-08-02
Device for obtaining the pulp contained in the waste water from pulp processing machines
FR388495A
(en )
1908-08-13
Device to revitalize the water in aquariums
AT23633B
(en )
1906-03-26
Device for preventing the build-up of excretions from water in boilers.
FR351152A
(en )
1905-07-05
Apparatus for cutting and separating the constituent elements of waste rubber
FR380070A
(en )
1907-11-28
Device for the bacterial treatment of faeces, gray water and black water