CH6831A
(en )
1894-01-31
Advanced apparatus for the preparation and use of gaseous fuels
CH11279A
(en )
1896-06-15
Rescue apparatus in case of fire
FR366849A
(en )
1906-10-12
Device used to turn on and off gas lamps
FR438389A
(en )
1912-05-15
Device for diluting the gases leaving a chimney
FR3186E
(en )
1904-09-30
Apparatus used for lighting lanterns and others using any lighting gas
FR1007E
(en )
1903-05-08
"Safety" acetylene gas generator device
FR421483A
(en )
1911-02-23
Apparatus used to detect the escape or presence of gas
FR339579A
(en )
1904-06-13
Apparatus used for lighting lanterns and others, using any lighting gas
CH7074A
(en )
1894-01-31
Apparatus for the production of combustible gases, cyanides and ammonia
FR340357A
(en )
1904-07-05
Aviation device
CH17430A
(en )
1899-06-15
Acetylene Gas Appliance System
FR4644E
(en )
1905-09-02
Anesthesia machine system
FR432071A
(en )
1911-11-28
Apparatus used to reveal the presence of dangerous gases
CH5645A
(en )
1893-02-15
Solar projection device for education
FR366524A
(en )
1906-10-05
Oxygen generator device
FR350342A
(en )
1906-01-12
Gas and air mixing device with proportional inlets
CH8624A
(en )
1894-12-31
Instrument system for the analysis of gases or gas mixtures
FR16071E
(en )
1912-11-14
Apparatus of the disintegrator type, intended for purifying, cooling and mixing gases
FR329253A
(en )
1903-07-28
Superheater device system for steam generators
FR329536A
(en )
1903-08-01
Inhalation device
FR360789A
(en )
1906-05-03
Gas meter acetylene gas apparatus
FR394188A
(en )
1909-01-16
Oxygen generator device
FR349313A
(en )
1905-05-24
Anesthesia machine system
FR319208A
(en )
1902-11-07
Regulator device for steam or gas turbines
FR338110A
(en )
1904-05-09
Construction of an acetylene apparatus