CH62457A
(en )
1913-12-01
Apparatus for the automatic ignition and extinction of at least one gas burner at given times
CH59747A
(en )
1913-06-16
Device for automatic ignition and shutdown of at least one gas burner
FR425707A
(en )
1911-06-19
Device for automatic ignition and extinction of gas burners
FR451851A
(en )
1913-04-30
Advanced device for automatic ignition and extinction of gas burners
CH60867A
(en )
1913-08-16
Automatic igniter and extinguisher for gas burners
FR426047A
(en )
1911-06-26
Device automatically producing the ignition and extinction of gas burners
FR413588A
(en )
1910-08-12
Device for automatic ignition of gas burners
FR440171A
(en )
1912-07-03
Device for remote ignition and extinction of straight and upside-down gas lamps
CH41963A
(en )
1908-12-16
Device for the remote ignition and extinction of at least one gas burner
FR448848A
(en )
1913-02-11
Device for automatically switching on and off at least one gas burner at predetermined times
FR427408A
(en )
1911-08-03
Device for the purification and cooling of hot gases and gas mixtures
FR11688E
(en )
1910-04-13
Device for automatically producing the ignition and extinction of gas lamps at predetermined times
FR407778A
(en )
1910-03-10
Device for automatically producing the ignition and extinction of gas lamps at predetermined times
FR477117A
(en )
1915-09-24
Air-driven gas burners intended for heating furnaces and especially for the use of lean gases
FR403867A
(en )
1909-11-16
Automatic ignition and extinguishing device for gas lamps
FR15321E
(en )
1912-06-18
Device for automatic switching on and off of gas burners
FR15608E
(en )
1912-08-16
Device for automatic switching on and off of gas burners
FR16461E
(en )
1913-02-06
Device for automatic switching on and off of gas burners
FR17106E
(en )
1913-06-20
Device for automatic switching on and off of gas burners
FR18429E
(en )
1914-04-24
Device for automatic switching on and off of gas burners
FR20047E
(en )
1916-03-08
Device for automatic switching on and off of gas burners
FR20099E
(en )
1916-03-22
Device for automatic switching on and off of gas burners
FR20148E
(en )
1916-10-06
Device for automatic switching on and off of gas burners
FR435762A
(en )
1912-03-09
Device for automatic switching on and off of gas burners
FR467226A
(en )
1914-06-06
Advanced device to control the ignition and extinction of gas lamps