FR534766A
(en )
1922-04-01
Safety device with alarm signal for controlling the circulation of a fluid in a pipeline
FR26415E
(en )
1923-12-01
Safety device with alarm signal for controlling the circulation of a fluid in a pipeline
FR513944A
(en )
1921-02-26
Safety device to control the passage of a liquid in a pipe
FR788425A
(en )
1935-10-10
Device for admission in a given direction of a fluid flow in a pipe and automatically opposing the flow of said fluid in the opposite direction
CH504092A
(en )
1971-02-28
Device indicating the circulation of fluid in a pipe acting as a switch for a device dependent on this circulation of fluid
FR544656A
(en )
1922-09-26
Assembly device for pressurized fluid lines
FR898471A
(en )
1945-04-24
Device for controlling the circulation of a fluid in a pipeline
FR62413E
(en )
1955-06-14
Device for controlling the circulation of a fluid in a pipeline
FR1327274A
(en )
1963-05-17
Device for signaling the passage of a scraper in a pipeline
FR590146A
(en )
1925-06-11
Device indicating the rupture of a pipeline
FR53652E
(en )
1946-07-11
Device for controlling the circulation of a fluid in a pipeline
FR1518025A
(en )
1968-03-22
Device for controlling the flow of a fluid in a pipeline
FR599431A
(en )
1926-01-12
Sealing and regulating device for pressurized fluid lines
FR849310A
(en )
1939-11-21
Tensioning device for tracked vehicle chains
FR527801A
(en )
1921-10-31
Automatic device for the operation of clamshells and excavators
FR539746A
(en )
1922-06-30
Device for operating shutters with shutters
FR574674A
(en )
1924-07-17
Device for regulating the flow of a liquid
FR621446A
(en )
1927-05-11
Click device allowing at any time the shift of a magneto (turning right or left) in relation to its drive
CH182660A
(en )
1936-02-29
Device for immobilizing a part intended to pivot.
FR756834A
(en )
1933-12-15
Device for the automatic control of the density of liquids circulating in a pipeline, or other similar applications
FR1091564A
(en )
1955-04-13
Device for adjusting the circulation of a fluid in a pipe
FR525571A
(en )
1921-09-24
Device to prevent the overflow of semaphores when stopped
FR596518A
(en )
1925-10-26
Device for regulating the flow of a liquid
FR569544A
(en )
1924-04-14
Device for automatically stopping the liquid fuel in the event that the atomizing fluid runs out
FR768228A
(en )
1934-08-02
Improvements to devices, sensitive to variations in viscosity of a fluid, in fluid circulation systems