CH50880A
(en )
1911-07-17
Device for gas container bells for automatic control of the gas flow to the same
FR360720A
(en )
1906-05-01
gas purifier
CH39082A
(en )
1908-01-16
Device for automatic regulation of the gas flow with closed liquid heaters
AT36309B
(en )
1909-02-25
Device to prevent the valve disk from falling if the valve breaks.
FR421186A
(en )
1911-02-16
Gas purifier
FR400856A
(en )
1909-08-11
Gas purifiers
FR402634A
(en )
1909-10-13
Device indicating the passage of trains
FR400436A
(en )
1909-07-27
Gas purifier
FR423918A
(en )
1911-05-01
Gas purifier
CH34962A
(en )
1906-06-30
Device for the adjustable setting of the rising height of the bell in gas containers
FR393263A
(en )
1908-12-17
Device for tapping nuts
FR462191A
(en )
1914-01-21
Device for the production of disinfectant gases or vapors
FR18505E
(en )
1914-05-13
Device for the production of disinfectant gases or vapors
FR15584E
(en )
1912-08-08
Milk of lime extinguisher
FR399580A
(en )
1909-07-01
Device for the flow of champagne
FR11721E
(en )
1910-04-20
Device for the flow of champagne
FR351732A
(en )
1905-07-24
Valve for gas purifiers and other similar devices
CH49433A
(en )
1911-02-16
Device for generating protective gas for flammable liquids
FR418899A
(en )
1910-12-21
Flue gas purification device
FR410149A
(en )
1910-05-12
Coal gas purification room device
FR4590E
(en )
1905-08-29
Automatic apparatus system for the production of acetylene gas
CH40302A
(en )
1908-07-01
Device for the production of gas from liquid hydrocarbons
CH57338A
(en )
1913-01-02
Device for investigating the composition of liquids by means of gas evolution
FR4859E
(en )
1905-11-04
Control and warning device for gas installations
FR352346A
(en )
1905-08-08
Control and warning device for gas installations