CH271741A
(en )
1950-11-15
Combustion chamber with air and fuel supply devices.
AT176655B
(en )
1953-11-10
Heating boiler with a combustion chamber and an associated heating duct system
AT168985B
(en )
1951-09-25
Long-burning stove with hot air duct
GR11445B
(en )
1948-01-28
HEATING AND COOKING GENERAL COMBUSTION APPLIANCE.
AT169418B
(en )
1951-11-10
Radiant heaters with gas firing
GR11847B
(en )
1948-11-13
INCREASE SYSTEM OF THE HEATED SURFACE OF CENTRAL HEATING BOILERS THROUGH THE PASS OF EXHAUST GAS FROM THE DEAD EXTERIOR EXTERIOR.
AT172372B
(en )
1952-09-10
Flue gas air heater
FI25423A
(en )
1951-11-10
Cooking and heating oven
FR925065A
(en )
1947-08-25
Heating device and related fuel
FR975219A
(en )
1951-03-02
Solid fuel stove
AT169189B
(en )
1951-10-25
Solid fuel heating stove
FR1006549A
(en )
1952-04-24
fuel spray
FR1010463A
(en )
1952-06-11
Pulverized Fuel Heater
AT185068B
(en )
1956-03-26
Solid fuel stove with fireplace
AT171084B
(en )
1952-04-25
Waste heat hot air turbine
AT171000B
(en )
1952-04-10
Heating gas routing with stoves
DK76991C
(en )
1954-01-18
Electric stove and heater.
FR979801A
(en )
1951-05-04
Central heating boiler
DK79962C
(en )
1955-10-10
Combustion and boiler plants for the combustion of solid fuels.
AT181341B
(en )
1955-03-10
Radiant boiler heated with injectable fuels
FI24508A
(en )
1950-08-10
Locomotive firebox combustion air heater
ES18082Y
(en )
1949-03-16
Fuel saving device, applicable to stoves, stoves and the like.
DK72987C
(en )
1951-08-27
Central heating boiler.
FI24759A
(en )
1950-12-11
Sauna heater and hot air oven
BE501841A
(en )
1952-06-20
SMOKE RADIATOR AND STOVE EQUIPPED WITH THE SAME.