CH58851A
(en )
1913-04-01
Hot water boiler for installation in cooking stoves
CH57474A
(en )
1913-01-02
Cooking stove with articulated boiler for hot water heating
CH51607A
(en )
1911-09-16
Hot water boiler with indirect heating
CH67017A
(en )
1914-11-02
Control tap for hot water and steam heating
AT52384B
(en )
1912-02-26
Articulated boiler for hot water heating.
CH70879A
(en )
1915-11-01
Cooking stove with built-in hot water boiler for central heating
CH61151A
(en )
1913-09-01
Hot water boiler
CA140577A
(en )
1912-05-21
Hot water heater or boiler
CA150666A
(en )
1913-09-23
Hot water and steam boiler
DK16088C
(en )
1912-06-17
Arrangement of the flues in steam or hot water element boilers.
DK18083C
(en )
1913-11-10
Stove with built-in hot water boiler and two fireplaces.
DK18745C
(en )
1914-04-27
Hot water boiler.
DK17861C
(en )
1913-09-29
Device for Water Heaters in Stoves.
CH46287A
(en )
1910-02-16
Cooking stove with facility for hot water heating
CH67855A
(en )
1915-01-16
Steam hot water radiator
CH69141A
(en )
1915-07-01
Gas stove with hot water tank
CH70999A
(en )
1915-11-16
Hot water heating system
CH47083A
(en )
1910-05-16
Articulated boiler for hot water heating
CA143652A
(en )
1912-10-22
Hot water boiler or heater
DK19946C
(en )
1915-03-08
Double-adjustable control valve for steam and hot water heating pipes.
CA133889A
(en )
1911-06-20
Hot water boiler
DK10640C
(en )
1908-03-16
Stove with device for hot water heating.
FR417689A
(en )
1910-11-19
Stove with boiler for domestic hot water heating
CH54803A
(en )
1912-06-17
Hot water heating for remote operation
DK27272C
(en )
1921-03-07
Hot water stove with two Hot water boilers.