FR705061A
(en )
1931-06-01
Metering and dispensing device for introducing any liquid in an adjustable quantity into a pipe
FR40096E
(en )
1932-04-20
Metering and dispensing device for introducing any liquid in an adjustable quantity into a pipe
FR49363E
(en )
1939-03-24
Shut-off device for dispensing water or other liquid or gaseous fluid
FR48618E
(en )
1938-04-19
Dosing apparatus for introducing a reagent into a moving liquid in a pipe
FR748974A
(en )
1933-07-13
Device for collecting a certain quantity of liquid and delivering it in adjustable quantities
FR550441A
(en )
1923-03-09
Coupled meters for dosing and dispensing a complex liquid
FR687870A
(en )
1930-08-14
Automatic shut-off device in the flow of liquids
FR818982A
(en )
1937-10-07
Device for measuring the quantity of liquid in a tank
FR651086A
(en )
1929-02-14
Device for dispensing a liquid in specified quantities
FR703975A
(en )
1931-05-08
Device to prevent liquid from leaking into bag vaporizers
FR704959A
(en )
1931-05-29
Device for the introduction of vapor into a liquid
FR765429A
(en )
1934-06-09
Device for mixing two liquids in constant proportion according to the flow rate of one of them
FR670378A
(en )
1929-11-28
Timer stop device for liquid meter momentarily receiving gas
FR818437A
(en )
1937-09-25
Device for measuring the quantity of liquid in a tank
FR657456A
(en )
1929-05-23
Device for interrupting the flow of liquid contained in a tank
FR635874A
(en )
1928-03-27
Improvements made to liquid dispensing devices delivering liquid in determined quantities
FR704715A
(en )
1931-05-26
Device for the adjustable dispensing of liquids
FR702026A
(en )
1931-03-27
Instrument for measuring the quantity of liquid passing through a pipe in the unit of time
FR36960E
(en )
1930-09-13
Device for the elimination of gases contained in a liquid
FR666519A
(en )
1929-10-02
Sprayer-mixer device for all liquids in contact with any gas
FR704699A
(en )
1931-05-23
Device for always pouring the same determined quantity of liquid
GB313214A
(en )
1929-06-10
Improvements in or relating to apparatus for measuring the flow of liquids
FR666421A
(en )
1929-10-01
Device for spreading corrosive liquids
ES124570A1
(en )
1931-12-01
A DOSING AND DISTRIBUTING APPARATUS FOR THE INTRODUCTION IN A GRADUABLE QUANTITY OF ANY LIQUID 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