FR817995A
(en )
1937-09-15
Method and apparatus for the distribution of gaseous materials
FR825261A
(en )
1938-02-28
Method and apparatus for combustion below the level of a liquid
FR830297A
(en )
1938-07-25
Method and device for anesthesia
FR859029A
(en )
1940-12-09
Method and apparatus for the separation of liquid emulsions
FR850011A
(en )
1939-12-06
Method and apparatus for obtaining hydrocarbons
FR802586A
(en )
1936-09-08
Method and apparatus for the metering of a gas in a mixture
FR825906A
(en )
1938-03-17
Method and apparatus for hardening the running surface of a rail
FR772678A
(en )
1934-11-03
Method and apparatus for the flow of a liquid
FR802079A
(en )
1936-08-26
Method and apparatus for activating spraying of a liquid
FR892118A
(en )
1944-03-29
Method and device for indicating the level of a liquid
FR47033E
(en )
1936-11-30
Method and apparatus for transferring a volatile liquid
FR556942A
(en )
1923-07-31
Method and apparatus for remotely indicating the level of a liquid
FR800996A
(en )
1936-07-23
Method and apparatus for forming a fuel mixture
FR859310A
(en )
1940-12-16
Method and apparatus for the manufacture of a liquid carbide
FR807179A
(en )
1937-01-06
Process, basin and apparatus for forming an ice sheet by means of a refrigerant liquid
FR791401A
(en )
1935-12-11
Method and devices for controlling the liquid consumption of a user apparatus
FR787273A
(en )
1935-09-19
Apparatus for introducing a gas into a liquid
FR756362A
(en )
1933-12-08
Method and apparatus for automatically and instantaneously knowing the flow rate of a gas or a liquid
FR762697A
(en )
1934-04-16
Method and devices for the transformation of a liquid into vapor and vice versa
FR807906A
(en )
1937-01-25
Method for the distribution of a gas or vapor in a liquid and device for its application
FR814012A
(en )
1937-06-14
Method and apparatus for measuring the characteristics of a fermentation
FR592466A
(en )
1925-08-03
Method and apparatus for determining the level of a liquid mass
FR716131A
(en )
1931-12-15
Electro-magnetic process for remotely indicating the level or volume of a liquid and device for carrying out the process
FR761666A
(en )
1934-03-24
Method and apparatus for obtaining oil gas
FR816619A
(en )
1937-08-12
Method and apparatus for anesthesia