CH42401A
(en )
1909-02-01
Ignition and extinguishing device for gas lamps that can be activated by changing the gas pressure
CH42400A
(en )
1909-02-01
Ignition and extinguishing device for gas lamps that can be activated by changing the gas pressure
AT26346B
(en )
1906-11-10
Ignition and extinguishing device for gas flames operated by changing the gas pressure.
CH32631A
(en )
1905-08-31
Ignition and extinguishing device for gas lanterns that can be driven by increasing the pressure of the gas
CH33510A
(en )
1905-12-15
Ignition and extinguishing device for gas lanterns that can be driven by increasing the pressure of the gas
CH38863A
(en )
1908-01-02
Ignition and extinguishing device for gas burners
FR400856A
(en )
1909-08-11
Gas purifiers
FR400436A
(en )
1909-07-27
Gas purifier
FR423918A
(en )
1911-05-01
Gas purifier
CH44593A
(en )
1909-09-01
Remote gas ignition device
CA117881A
(en )
1909-04-20
Gas pipe safety device
DK10982C
(en )
1908-06-29
Remote ignition device for gas lamps.
FR421186A
(en )
1911-02-16
Gas purifier
CH45561A
(en )
1909-12-01
Device for operating the lever of ignition and extinguishing devices
NL503C
(en )
1915-02-01
Safety device on gas burners
AT27645B
(en )
1907-02-25
Remote ignition device for gas flames operated by gas pressure change.
FR405237A
(en )
1909-12-23
Safety valve for gas
FR391098A
(en )
1908-10-22
Gas vice
CH47555A
(en )
1910-07-16
Gas purifier
AT52282B
(en )
1912-02-26
Gas ignition device.
CH45843A
(en )
1910-01-03
Electromagnetic remote gas ignition device
CH43387A
(en )
1909-05-01
Gas saving tap
CH40258A
(en )
1908-07-01
Remote ignition device for gas lamps
CH48631A
(en )
1910-11-16
Time ignition device for gas lamps
DK12654C
(en )
1909-11-01
Gas remote ignition device.