CH12667A
(en )
1897-01-31
A prepayment meter for liquids or gas
CH14009A
(en )
1897-09-30
Trigger mechanism for prepayment gas meters
CH11258A
(en )
1896-05-31
Mechanism for prepayment gas meters
CH11026A
(en )
1896-04-15
Mechanism for prepayment gas meters
FR469375A
(en )
1914-07-30
Apparatus for treating a liquid stream with a gas
CH15815A
(en )
1898-07-31
Portable device for producing acetylene gas
CH24796A
(en )
1903-02-15
A liquid meter
CH13364A
(en )
1897-06-30
Gas burner dispensing device
CH8947A
(en )
1895-02-15
Prepayment gas meter
FR17740E
(en )
1913-11-13
Mechanism for gas meters and other prepayment distributors
CH16091A
(en )
1898-09-30
Apparatus for manufacturing flammable gas
FR439321A
(en )
1912-06-11
Apparatus for the production of combustible gas from a combustible liquid
FR427721A
(en )
1911-08-11
Safety device for compressed gas tanks
FR446281A
(en )
1912-11-30
Mechanism for gas meters and other prepayment distributors
FR334686A
(en )
1903-12-29
Flywheel for gas meter
FR360789A
(en )
1906-05-03
Gas meter acetylene gas apparatus
CH13619A
(en )
1897-07-31
Advanced apparatus for producing gas
CH25642A
(en )
1903-06-15
Apparatus for the production of a combustible gas by means of liquid hydrocarbons
FR327715A
(en )
1903-06-30
A gas meter
FR404906A
(en )
1909-12-15
Protective device for gas meters
FR19062E
(en )
1914-09-22
Continuous metering device for liquefied gases
FR16363E
(en )
1913-01-14
Continuous metering device for liquefied gases
FR15412E
(en )
1912-07-04
Continuous metering device for liquefied gases
CH13711A
(en )
1897-08-15
Regulating device for oxyhydrogen gas
CH25753A
(en )
1903-06-30
Gas meter