FR1227164A
(en )
1960-08-19
Process and installation for the purification and sterilization of swimming pool water
MC404A1
(en )
1963-12-03
Process and apparatus for water purification
FR1462578A
(en )
1966-12-16
Water purification apparatus and method
FR1464474A
(en )
1966-12-30
Improved method and apparatus for turning water into snow
FR2323639A1
(en )
1977-04-08
PROCESS FOR INHIBITING THE DEVELOPMENT OF BACTERIA AND ALGAE IN SWIMMING POOL WATER
FR1443224A
(en )
1966-06-24
Improved process to improve the flow and release of polyurethanes
FR1248837A
(en )
1960-12-23
Method and apparatus for aeration of water
FR1282625A
(en )
1962-01-27
New basin for water purification
BE762197A
(en )
1971-07-01
HEATING DEVICE FOR HEATING SWIMMING POOL WATER AND OTHER APPLICATIONS
FR1244268A
(en )
1960-10-21
Water flow process around swimming pools and slabs for swimming pool drainage channels
FR1198154A
(en )
1959-12-04
Method and apparatus for the thorough purification of water or other liquid
FR1302162A
(en )
1962-08-24
Method for fixing in water a floating construction submerged to an arbitrary depth
FR1211423A
(en )
1960-03-16
Method and device for passing a liquid through reservoirs or basins, in particular for the purification of waste water
FR1213672A
(en )
1960-04-04
Root-repelling caulks and coverings for water pipes, especially wastewater
FR1413066A
(en )
1965-10-08
Process for submerging large-scale constructions and placing them on the bottom of deep water and pontoon for the application of the process
FR1364912A
(en )
1964-06-26
Process and installation for purifying and sterilizing water in swimming pools
BE600785A
(en )
1961-07-03
Water purifier for swimming pools
BE613401A
(en )
1962-05-29
Method and apparatus for the treatment of pure water
FR1221375A
(en )
1960-06-01
Method and system for chlorinating water in swimming pools or the like
FR1236984A
(en )
1960-07-22
Construction method for the drainage of runoff water
FR1166594A
(en )
1958-11-13
Device for creating different water depths in swimming pools and training basins
FR1186035A
(en )
1959-08-12
Swimming pool water purification and sterilization process
BE589533A
(en )
1960-08-01
New construction process for recreational swimming pools and reinforced concrete water tanks.
FR1514491A
(en )
1968-02-23
Device for purifying water, in particular for swimming pools
FR1349307A
(en )
1964-01-17
Method of building bridges or jetties over water