FR687011A
(en )
1930-08-04
Method and device for regulating, without a float, the water level in condensers and preheaters
FR662242A
(en )
1929-08-05
Device for adjusting the water level in a tank or in a canal
FR653730A
(en )
1929-03-26
Method for improving the circulation of water in central heating installations, and device allowing the realization
FR602085A
(en )
1926-03-12
Method and device for automatically adjusting the water level in steam boilers
FR642192A
(en )
1928-08-22
Automatic device to suppress water hammer in water pipes
FR674851A
(en )
1930-02-03
Device indicating variations in the level of a liquid
FR668985A
(en )
1929-11-08
Device for water flow
FR778034A
(en )
1935-03-07
Method and device for carrying out work below water level
FR649583A
(en )
1928-12-24
Priming device for cistern
FR672383A
(en )
1929-12-27
Method and device for sterilizing water
FR709241A
(en )
1931-08-04
Method and device for adjusting the height of liquid in a vessel, in particular the height of water in boilers
FR807635A
(en )
1937-01-16
Device for blowing or for injecting in a determined direction a pressurized fluid in a pipe
FR686251A
(en )
1930-07-24
Condensation water separator in a closing device
FR786017A
(en )
1935-08-24
Method and device for moving sludge in steam boilers
FR598621A
(en )
1925-12-21
Method and device for lifting vessels totally or partially below water level
FR586696A
(en )
1925-04-01
Device for damping water hammer in water meters
FR660250A
(en )
1929-07-09
Water filtration well and method for establishing it
FR648151A
(en )
1928-12-06
Method and device for obtaining yeasts
FR761350A
(en )
1934-03-16
Level controller, intended in particular to measure the water contained in hydrocarbon tanks
FR645870A
(en )
1928-11-03
Device for using the energy contained in superheated water
FR592604A
(en )
1925-08-06
Method and device for activating the circulation of water in steam boilers
FR712258A
(en )
1931-09-29
Device for degassing feed water in steamers
FR802020A
(en )
1936-08-25
Anti-return device for contaminated water in drinking water pipes
FR659456A
(en )
1929-06-28
Method and device for producing hot or boiling water continuously
FR732400A
(en )
1932-09-19
Method and device for measuring the depth of water deposited in reservoirs of petroleum and derivatives