CH70879A
(en )
1915-11-01
Cooking stove with built-in hot water boiler for central heating
CH57474A
(en )
1913-01-02
Cooking stove with articulated boiler for hot water heating
AT71565B
(en )
1916-04-25
Top cooker with built-in kettle for hot water heating.
CH51607A
(en )
1911-09-16
Hot water boiler with indirect heating
CH69141A
(en )
1915-07-01
Gas stove with hot water tank
DK27272C
(en )
1921-03-07
Hot water stove with two Hot water boilers.
CH46287A
(en )
1910-02-16
Cooking stove with facility for hot water heating
AT75601B
(en )
1919-02-25
Water heater with hot and warm water boiler.
DK22572C
(en )
1917-11-05
Gas stove with central hot water pipes.
DK23495C
(en )
1918-09-09
Hot water heating system with heat collector.
DK24889C
(en )
1919-08-18
Living room stove of the smoke burner type with water boiler for hot water central heating.
FR495093A
(en )
1919-09-27
Improvements to heating boilers combined with cookers
ES61077A3
(en )
1915-11-16
Hot water heating boiler.
CH78648A
(en )
1918-08-16
Gas cooking facility with hot water supply
CH79446A
(en )
1918-12-02
Boilers for hot water heating
CH78756A
(en )
1918-09-02
Central heating boiler with hot water vessel and griddle
DK21950C
(en )
1917-02-26
Hot water heater.
DK22271C
(en )
1917-07-16
Heater for Hot water and Steam heating.
CH67017A
(en )
1914-11-02
Control tap for hot water and steam heating
FR497841A
(en )
1919-12-18
Hot water central heating boiler
NL7591C
(en )
1922-09-15
Integrated heat meter for hot water heating.
DK18083C
(en )
1913-11-10
Stove with built-in hot water boiler and two fireplaces.
DK22900C
(en )
1918-03-18
Water heater with hot water tap and circulation line for gas appliances and the like.
FR462991A
(en )
1914-02-11
Kitchen fireplace with heating boiler
CH70396A
(en )
1915-09-16
Radiators for steam hot water heating systems