FR669710A
(en )
1929-11-20
Improvements to processes and apparatus for oil recovery
FR651627A
(en )
1929-02-21
Apparatus for purifying tar used as a sealing liquid in disc gasometers
FR802841A
(en )
1936-09-16
Improvements to devices for purifying fluids by filtration through granular materials
FR748584A
(en )
1933-07-06
Method and apparatus for purifying and regenerating siliceous materials
FR857376A
(en )
1940-09-09
Apparatus for separating gases from a liquid
FR625602A
(en )
1927-08-16
Device for removing air or other gases mechanically mixed with a liquid
FR639702A
(en )
1928-06-28
Process for preventing explosions in air liquefaction and distillation apparatus
FR843790A
(en )
1939-07-10
Methods and apparatus for liquid regeneration or other applications
FR630600A
(en )
1927-12-05
Apparatus for withdrawing oil or similar liquid
FR609570A
(en )
1926-08-17
Apparatus for indicating or recording, or indicating and recording, liquid levels or the flow of liquid in pipes
FR840523A
(en )
1939-04-27
Sealing device for the mechanisms used to clean sand filters
FR560617A
(en )
1923-10-08
Apparatus for purifying and making thickened liquids more fluid
FR862550A
(en )
1941-03-08
Process for the sweetening of hydrocarbon distillates
FR806198A
(en )
1936-12-09
Cartridge for air purifying or regenerating devices
FR596872A
(en )
1925-11-03
Apparatus for adding gasket liquid in waterless gasometers
FR658889A
(en )
1929-06-21
Advanced process for the purification of liquid hydrocarbons
FR640464A
(en )
1928-07-13
Improvement in the establishment of valves for any fluid, liquid or gaseous
FR873332A
(en )
1942-07-06
Apparatus for the absorption of gases in liquids
FR843411A
(en )
1939-07-03
Apparatus for preventing deposits in beer pipes
FR800056A
(en )
1936-06-26
Device for automatically measuring the height of materials in cesspools
FR610411A
(en )
1926-09-06
Filter and fluid discharge means for presses
FR633731A
(en )
1928-02-02
Process for gelatinizing hydrocarbons and returning them to the liquid state
CH196000A
(en )
1938-02-28
Device for the proportional addition of liquids and gases to a fluid flowing through a line.
FR613424A
(en )
1926-11-17
Apparatus for the separation of liquid elements contained in vapors or gases
FR856363A
(en )
1940-06-12
Process for making homogeneous mixtures from two or more different substances