FR596337A
(en )
1925-10-21
Apparatus for measuring the instantaneous flow rate of a liquid circulating in a pipe
FR630436A
(en )
1927-12-02
Apparatus for measuring the instantaneous flow rate of a liquid circulating in a pipe or the viscosity of this liquid
FR1072214A
(en )
1954-09-09
Apparatus for indicating or measuring the flow of a liquid in a pipe
FR641971A
(en )
1928-08-14
Device for signaling the state of stagnation or flow of a fluid in a pipe
FR821924A
(en )
1937-12-16
Device for varying the flow rate of a fluid in a pipe
FR48618E
(en )
1938-04-19
Dosing apparatus for introducing a reagent into a moving liquid in a pipe
FR614790A
(en )
1926-12-22
Apparatus for indicating the level of a liquid
FR26335E
(en )
1923-11-06
Improvements to devices intended to measure the flow of a liquid
FR621786A
(en )
1927-05-17
Liquid for cleaning
FR609570A
(en )
1926-08-17
Apparatus for indicating or recording, or indicating and recording, liquid levels or the flow of liquid in pipes
FR822139A
(en )
1937-12-21
Differential device for measuring the difference of two levels or for measuring the flow rate of a liquid under low pressure
FR702026A
(en )
1931-03-27
Instrument for measuring the quantity of liquid passing through a pipe in the unit of time
FR541233A
(en )
1922-07-25
Improvements to devices intended to measure the flow of a liquid
FR670523A
(en )
1929-11-29
Installation for measuring the volumes of gas passing through a pipe
FR818982A
(en )
1937-10-07
Device for measuring the quantity of liquid in a tank
FR661932A
(en )
1929-07-31
Improvements to devices for controlling the flow of liquids in order to maintain a constant level
FR705061A
(en )
1931-06-01
Metering and dispensing device for introducing any liquid in an adjustable quantity into a pipe
FR717887A
(en )
1932-01-15
Improvements to flow meters for measuring liquids
FR639842A
(en )
1928-06-30
Pneumatic device for measuring the level of a liquid
FR649042A
(en )
1928-12-17
Improvements made to devices indicating the level of a liquid in a tank, by evaluation of a pneumatic pressure
FR833300A
(en )
1938-10-18
Device for measuring the flow of liquids with remote indication
FR835827A
(en )
1939-01-04
Device for metering the additions made to a fluid medium circulating in a pipe
FR621778A
(en )
1927-05-17
Device for remotely measuring the level of a liquid
FR691546A
(en )
1930-10-22
Improvements to pneumatic indicators of the level of a liquid in a tank
FR38366E
(en )
1931-05-30
Improvements to pneumatic indicators of the level of a liquid in a tank