CH45098A
(en )
1909-10-16
Device for the ventilation of air, gas and smoke ducts
FR425770A
(en )
1911-06-20
Mobile ventilator for gas or smoke exhaust ducts
FR421075A
(en )
1911-02-14
Air and gas mixer
FR410333A
(en )
1910-05-18
Hollow brick ventilation system serving as air and smoke ducts
FR360512A
(en )
1906-04-25
Device for lubricating air and gas boosters
FR398366A
(en )
1909-06-03
Air and gas tester
FR371491A
(en )
1907-03-08
Vacuum cleaner for air, gas or smoke ducts
FR9532E
(en )
1908-11-23
Vacuum cleaner for air, gas or smoke ducts
FR418758A
(en )
1910-12-19
Air delivery device for air ducts, gas, smoke and chimneys of lamps or other lighting devices
FR409575A
(en )
1910-04-26
Device for the staged compression of air and other gases
FR377459A
(en )
1907-09-07
Device for the distribution of compressed air for ventilation
FR394609A
(en )
1909-01-28
Apparatus for cooling, humidifying and purifying atmospheric air
FR386099A
(en )
1908-06-03
Advanced device for humidifying the air
FR366255A
(en )
1906-10-01
Automatic regulator system for gas and air compressor installations
CA115651A
(en )
1908-12-15
Apparatus for heating air and other gases
FR390580A
(en )
1908-10-09
Advanced pressurized air or gas meter system
CA114192A
(en )
1908-09-22
Air cooler and humidifier
FR391294A
(en )
1908-10-27
Carburetor device for the production of air gas
FR370057A
(en )
1907-01-28
Burner system for gas and fuel air mixtures
FR396304A
(en )
1909-04-07
Smoke-eating hearth with air duct and mixing nozzles
FR386994A
(en )
1908-06-27
Apparatus for the production of air gas
FR389698A
(en )
1908-09-15
Air purifier
CH43006A
(en )
1909-04-16
Air gas apparatus
FR391069A
(en )
1908-10-22
Pipe with pipe independent of the saliva and nicotine duct
FR412515A
(en )
1910-07-15
Exhaust silencer