DK63870C
(en )
1945-08-27
Gas-fired Heater with a Hot Air Radiator located immediately in front of a Water Heater.
FR1070113A
(en )
1954-07-19
Advanced hot water central heating boiler
FR880865A
(en )
1943-04-07
Heating device
FR886360A
(en )
1943-10-13
Heating installation
FR907192A
(en )
1946-03-05
Direct flow, electrode water heater
DK60582C
(en )
1943-02-08
Hot water heating system with forced Omlob.
FR879361A
(en )
1943-02-22
Hot water or steam central heating radiator
DK67691C
(en )
1948-09-27
Heater with electric heating resistors.
FR52553E
(en )
1945-04-30
Central heating boiler
ES6504Y
(en )
1944-03-01
Arrangement in hot water heating radiators.
DK75640C
(en )
1953-03-30
Water heater or similar heat exchanger.
DK61921C
(en )
1944-02-14
Hot air motor with Recuperator.
DK66051C
(en )
1947-12-15
Heater with air circulation pipe.
FR848799A
(en )
1939-11-07
Radiant heater
FR900515A
(en )
1945-07-02
Central heating boiler
FR929223A
(en )
1947-12-19
heater radiator element
DK80535C
(en )
1956-02-13
Gas-fired flow water heater with water shortage protection.
FR55612E
(en )
1952-09-02
Central heating boiler, hot water and low pressure steam
DK70649C
(en )
1950-02-20
Hot water central heating system or cold water cooling system.
DK59940C
(en )
1942-07-06
Heating and hot water systems.
FR982069A
(en )
1951-06-04
Steam heater
CH241179A
(en )
1946-02-28
Hot water heating system.
DK60554C
(en )
1943-02-01
Heating system with Radiant heaters.
AT170368B
(en )
1952-02-11
Cooking stove with built-in hot water boiler
FR881881A
(en )
1943-05-11
Boiler with radiant heating superheater