AT82977B
(en )
1921-02-25
Air heater built into the exhaust pipe of a heating stove.
FR639003A
(en )
1928-06-09
Heated air blade stove with flue gas combustion
DK26117C
(en )
1920-06-14
Air heating device by Tile stoves.
ES70179A1
(en )
1919-07-16
Improvements in gas stoves for heating and ventilation.
DK23972C
(en )
1919-01-13
Heater with Fan.
DK24402C
(en )
1919-04-14
Air heating device by Tile stoves.
DK27823C
(en )
1921-06-20
House Heater and Stove.
DK30934C
(en )
1922-12-18
Tile stove with built-in hot water pipe.
DK26054C
(en )
1920-05-31
Tile stove with air circulation.
GB127538A
(en )
1919-06-05
Improvements in and relating to Gas Cooking and Heating Stoves.
FR23221E
(en )
1921-10-18
Heat concentrator stove
DK29604C
(en )
1922-05-15
Gas oven or Heater.
DK28233C
(en )
1921-08-22
Heating device for Steam baking ovens with Heating pipes enclosing the Baking Room.
FI15418A
(en )
1933-09-08
The valve is then connected to the exhaust pipe
DK26326C
(en )
1920-07-26
Central heating stove.
AU231921A
(en )
1922-06-20
A combined exhaust flue rapid water heating and water boiling apparatus
AU88121A
(en )
1922-06-20
A combined exhaust flue rapid water heating and water boiling apparatus
FR524523A
(en )
1921-09-06
Gas heater with advanced burner
GB177279A
(en )
1922-03-30
Improvements in or relating to apparatus for heating air for buildings or compartments
SE99917C1
(en )
1940-01-01
ES79536A2
(en )
1922-02-16
Improvements in hot water heaters and stoves.
DK31774C
(en )
1923-05-28
Compressed air heating system with air circulation.
FR518155A
(en )
1921-05-20
Hydraulic vacuum cleaner for gas appliance, heater, and ventilation
CH77775A
(en )
1918-05-16
Device for heating, cooking, etc. that can be attached to flue pipes for hot gases
DK31340C
(en )
1923-02-26
Oven with Hot water heating.