FR613442A
(en )
1926-11-17
Heating coil combinable with all gas cookers, for supplying hot water to a tank
FR713957A
(en )
1931-11-05
Boiler for central heating and hot water production, combined with a kitchen stove
GB468427A
(en )
1937-07-06
Improvements in or relating to liquid heating apparatus
FR47465E
(en )
1937-05-22
Boiler for central heating and hot water production, combined with a kitchen stove
FR630666A
(en )
1927-12-07
Gas burner for water heaters
FR696189A
(en )
1930-12-27
Valve for hot water and steam heaters and similar installations
FR656794A
(en )
1929-05-13
Improvements to boilers for gas water heating
FR845503A
(en )
1939-08-25
Hot water boiler for central heating
FR531790A
(en )
1922-01-20
Gas boiler for hot water heating and hot water distribution
FR680476A
(en )
1930-05-01
Hot water storage boiler, heated by gas fuel
FR587401A
(en )
1925-04-17
Advanced domestic kettle, with continuous hot water flow or fixed capacity, specially adapted for gas or liquid fuel cookers
FR687068A
(en )
1930-08-04
Device for heating water by a kitchen stove
FR649806A
(en )
1928-12-28
Boiler for water heating and as a stove
FR867647A
(en )
1941-11-18
Temperature controller for electrically heated hot water tank
FR633747A
(en )
1928-02-02
Autonomous radiator with water circulation and adjustable electric heating and special model for heating by gas, alcohol, etc.
FR661221A
(en )
1929-07-23
Hot water generator heated by gas
FR574532A
(en )
1924-07-12
Boiler pot for hot water distribution and central heating
FR642434A
(en )
1928-08-28
Boiler device for hot water circulation applicable to central heating cookers
CA258138A
(en )
1926-02-16
Boiler for hot water heating plants
GB275837A
(en )
1927-08-18
An improved water heater
FR570155A
(en )
1924-04-24
Heating boiler with boiler for hot water
FR638669A
(en )
1928-05-31
Automatic steam trap with shut-off valve for boiler feed heaters
DK44018C
(en )
1931-04-20
Hot water kettle with a heating hose arranged parallel to the boiler elements' water space.
FR570461A
(en )
1924-05-01
Auxiliary tank for heating water intended for supplying a distribution pipe and for heating by hot water
GB424520A
(en )
1935-02-22
Improvements relating to the storage cylinders of hot water installations