FR415331A
(en )
1910-09-23
Automatic water and gas inlet regulator for gas appliances for water heating
CH47223A
(en )
1910-06-01
Automatic water and gas inlet regulator for gas appliances for water heating
FR11044E
(en )
1909-11-26
Double water and gas valve device for heating appliances
FR11644E
(en )
1910-03-30
Double water and gas valve device for heating appliances
FR393342A
(en )
1908-12-19
Double water and gas valve device for heating appliances
FR406104A
(en )
1910-01-22
Valve for bath heaters, allowing the simultaneous and automatic flow of water and gas for heating
CH58853A
(en )
1913-04-16
Gas appliance for heating water
FR388458A
(en )
1908-08-13
Tap for regulating steam and hot water heaters
FR409328A
(en )
1910-04-19
Water heating regulator for water heating systems with a boiler independent of the water tank
FR366585A
(en )
1906-10-06
Air and condensation water exhaust valve for steam heaters
FR367337A
(en )
1906-10-26
Portable device for hot water heating
FR402704A
(en )
1909-10-15
Self-opening faucet for stoves and similar heaters
FR392259A
(en )
1908-11-21
Automatic distribution valve for bath heaters with flow regulators for water and gas
FR6564E
(en )
1907-01-07
Air and condensation water exhaust valve for steam heaters
FR426605A
(en )
1911-07-11
Combined boiler and chimney system, allowing hot water heating of the apartments
FR372487A
(en )
1907-04-09
Prepayment meter for electricity, gas and water
FR441670A
(en )
1912-08-13
Improvements to burners or hydrocarbon appliances, for heating and lighting
CH46131A
(en )
1910-02-01
Gas heated water circulation heater
FR411036A
(en )
1910-06-06
Hot water heating system valve
GB190803098A
(en )
1908-05-28
Improvements in and relating to Water Heaters.
FR352678A
(en )
1905-08-17
Advanced bunsen burner for water heating devices
FR340315A
(en )
1904-07-02
Automatic gas appliance ignition-extinguisher
FR24482E
(en )
1922-07-20
Regulating valve for steam and hot water heating systems
CH44568A
(en )
1909-09-01
Valve with adjustable opening for hot water or steam heaters
FR386203A
(en )
1908-06-08
Economizer circle with water heater for gas stoves