CH57476A
(en )
1913-01-16
Hot water circulation heater for gas, petroleum or alcohol heating
AT52384B
(en )
1912-02-26
Articulated boiler for hot water heating.
CH51607A
(en )
1911-09-16
Hot water boiler with indirect heating
CH54803A
(en )
1912-06-17
Hot water heating for remote operation
DK22271C
(en )
1917-07-16
Heater for Hot water and Steam heating.
CH57474A
(en )
1913-01-02
Cooking stove with articulated boiler for hot water heating
CH50790A
(en )
1911-06-16
Closed low-pressure hot water heating, especially for floor heating
CH70396A
(en )
1915-09-16
Radiators for steam hot water heating systems
CH54396A
(en )
1912-05-17
Heating burners for liquid fuels
CH60454A
(en )
1913-07-16
Hot air heater
CH57330A
(en )
1913-01-02
Temperature regulator for gas heating
CH67017A
(en )
1914-11-02
Control tap for hot water and steam heating
AT57829B
(en )
1913-02-25
Hot water rapid circulation heating.
CH59604A
(en )
1913-05-16
Steam heating installation
CH47083A
(en )
1910-05-16
Articulated boiler for hot water heating
CH69675A
(en )
1915-10-16
Regulating valve for steam and hot water heating
FR463534A
(en )
1914-02-25
New heating radiators
DK21475C
(en )
1916-09-04
Liquid heater with Gas heating.
NL1632C
(en )
1916-10-16
Improved steam heater
FR451241A
(en )
1913-04-14
Gas boiler heater
DK21950C
(en )
1917-02-26
Hot water heater.
CH51702A
(en )
1911-09-16
Standing, both for coke and for gas firing set up steam, respectively. Hot water boiler
DK24619C
(en )
1919-06-10
Hot water heater for smaller rooms.
CH46287A
(en )
1910-02-16
Cooking stove with facility for hot water heating
CH53166A
(en )
1912-02-01
Electrically heated steam boiler for train heating