FR692621A
(en )
1930-11-07
Liquefied gas purification process
FR687742A
(en )
1930-08-12
Filtering method and device for removing dust from gases, air, etc.
FR36575E
(en )
1930-07-25
Method and apparatus for the condensation by cooling of vapors contained in air and gases
FR690443A
(en )
1930-09-19
Method and device for the purification of gas, air, vapors and the like
FR624542A
(en )
1927-07-20
Method and device for gas purification
FR600223A
(en )
1926-02-02
Method and device for the simultaneous inhalation of two different gases, vapors, etc.
FR702126A
(en )
1931-03-30
Air and gas purifier device
FR668303A
(en )
1929-10-30
Method and device for the purification of hydrocarbons
FR643440A
(en )
1928-09-17
Flue gas purification method and device
FR675156A
(en )
1930-02-06
Method and device for controlling the purification of gasifier gas
FR660097A
(en )
1929-07-06
Method and device for removing dust from air, gases and other fluids
FR828470A
(en )
1938-05-18
Method and device for the purification or dedusting of gas or for the purification and dedusting
FR825381A
(en )
1938-03-02
Method and device for gas and vapor purification
FR703309A
(en )
1931-04-28
Device for collecting and sucking exhaust gases above ovens and the like
FR694302A
(en )
1930-12-02
Device for indicating pollution of the atmosphere by lighting gas or similar gases
FR597369A
(en )
1925-11-19
Method and device for the purification of gasifier gases
FR624145A
(en )
1927-07-08
Method and device for gas purification
FR617361A
(en )
1927-02-18
Method and device for the purification of gas from gasifiers
FR712562A
(en )
1931-10-05
Method and device for air purification
FR722354A
(en )
1932-03-16
Process and device for the desiccation of gases containing nitrous vapors
FR671917A
(en )
1929-12-20
Method and device for separating dust from the exhaust gases of a boiler
FR658650A
(en )
1929-06-06
Method and device for igniting mercury vapor rectifiers
FR698188A
(en )
1931-01-28
Method and device for igniting mercury vapor rectifiers
FR563083A
(en )
1923-11-26
Method and device for gas purification
FR670872A
(en )
1929-12-05
Method and device for the desulphurization of organic liquids and gases