FR805285A
(en )
1936-11-16
Process for the treatment of combustible materials
FR781818A
(en )
1935-05-22
Process for producing stable and efficient scum
FR806509A
(en )
1936-12-18
Process and material for water purification
FR787539A
(en )
1935-09-24
Process and installation for the destruction of waste and in particular urban waste
FR43725E
(en )
1934-08-09
Method and installation for the treatment of household waste
FR807593A
(en )
1937-01-15
Thermological process and installation specification for the treatment of household waste
FR798455A
(en )
1936-05-18
Method and device for the production of concrete road surfaces
FR821607A
(en )
1937-12-09
Method and installation for the pre-drying of waste in a waste combustion plant
FR812709A
(en )
1937-05-15
Method and installation for the treatment of artificial schappe fluff
FR804679A
(en )
1936-10-29
Process and devices for the purification and disposal of urban waste of all kinds
FR796860A
(en )
1936-04-16
Treatment process for household waste and urban waste
FR827532A
(en )
1938-04-28
Household waste treatment method and installation for the application of this method
FR778701A
(en )
1935-03-22
Method and installation for the treatment of water with ozonated air
FR767248A
(en )
1934-07-12
Process and installation for the incineration of refuse and waste in general
FR47369E
(en )
1937-03-25
Method and device for the production of granulated materials
FR800837A
(en )
1936-07-20
Process for dephosphorizing cast iron and hard steels in particular
FR805636A
(en )
1936-11-25
Process for the construction of floors and resulting floors
FR750875A
(en )
1933-08-21
Method and installation for heating reinforced concrete constructions
FR776783A
(en )
1935-02-04
Process and installation for the treatment of household waste and other fermentable waste
FR806836A
(en )
1936-12-26
Process and installation for the purification of gas mixtures
FR46704E
(en )
1936-08-10
Furnace for the incineration of urban waste
FR837459A
(en )
1939-02-10
Method and devices for water softening
FR821247A
(en )
1937-11-30
Process for the clarification of musts and similar extracts
FR807803A
(en )
1937-01-22
Process and installations for the production of agglomerated fuels
FR805620A
(en )
1936-11-25
Processes and installations for the softening of hard water and for preventing entry