|
CH19366A
(en)
|
|
Furnace grate
|
|
CH14590A
(en)
|
|
Furnace grate
|
|
DK1670C
(en)
|
|
Fireplace with smoke-free Combustion.
|
|
DK4387C
(en)
|
|
Smoke Burning Fireplace.
|
|
CH18163A
(en)
|
|
Smokeless firing
|
|
CH22828A
(en)
|
|
Fire bridge grate support on furnaces
|
|
DK898C
(en)
|
|
Smoke Burning Fireplace.
|
|
DK1457C
(en)
|
|
Pig Burner Oven.
|
|
CH13932A
(en)
|
|
Gas burner
|
|
DK4560C
(en)
|
|
Method for continuous production of combustible gases of high calorific value.
|
|
DK3197C
(en)
|
|
Furnace for Burning Ceramic Objects.
|
|
DK1142C
(en)
|
|
Fireplaces for Combustion of Powdered Fuel.
|
|
CH24522A
(en)
|
|
Hard fuel fireplace
|
|
CH24282A
(en)
|
|
Smoke combustion device on grate furnaces
|
|
DK7027C
(en)
|
|
Procedure and Apparatus for the Promotion of Combustion in Steam Fireplaces.
|
|
DK3489C
(en)
|
|
Procedure for making coal and other solid fuels easily and completely combustible.
|
|
DK1728C
(en)
|
|
Self-ignition for gas burners.
|
|
CH24868A
(en)
|
|
Smoke-free plan grate firing
|
|
CH15104A
(en)
|
|
Fireplace insert
|
|
DK1840C
(en)
|
|
Devices in smoke incinerators for all types of fireplaces for steam boilers.
|
|
DK1781C
(en)
|
|
Shaft Furnace for Burning Lime and Cement.
|
|
CH20049A
(en)
|
|
Gas igniter
|
|
DK2691C
(en)
|
|
Stove
|
|
FR332553A
(en)
|
|
Gallery for stoves and fireplaces
|
|
DK5392C
(en)
|
|
Smoke Burning Fireplace.
|