DK31873C
(en )
1923-06-18
Furnace for firing with lignite coke and the like.
DK32028C
(en )
1923-07-30
Oven for lignite coke, peat coke and the like with rotating, auxiliary fire placed above the fireplace.
AT105649B
(en )
1927-02-25
Combustion chamber for coal dust and similar furnaces.
DK39977C
(en )
1929-04-02
Procedure and device for firing with fuel dust.
DK30714C
(en )
1922-11-20
Heater for firing with firewood, peat, coke and the like.
ES96877A1
(en )
1926-05-01
Improvements introduced in the combustion of coal in metallurgical furnaces.
DK24313C
(en )
1919-03-31
Cinders and Coke Crushers.
DK35428C
(en )
1925-12-28
Flue gas footwater preheater for locomotives and the like.
ES77722A1
(en )
1921-06-01
Lignite coke oven.
ES77584A1
(en )
1921-06-01
Improvements in hearth bridges for furnaces.
DK32658C
(en )
1923-12-24
Loose Grate for Gas Wood Appliances and the like.
DK24102C
(en )
1919-02-17
Lignite and the Procedure for its Manufacture.
CA202210A
(en )
1920-07-27
Coal and gas grate
DK47334C
(en )
1933-05-15
Furnace for the production of gas and coke with several superimposed gasification compartments.
ES93339A1
(en )
1925-06-16
Brown coal furnace with fuel container.
DK35712C
(en )
1926-03-01
Procedure and Retort Furnace for Coking Coal.
FR642437A
(en )
1928-08-28
Pulverized charcoal hearth
ES93547A1
(en )
1925-07-01
Brown coal oven with double hearth.
ES93589A2
(en )
1926-11-01
Brown coal oven with double hearth.
DK26803C
(en )
1920-10-25
Automatic acting Safety screen for Trams and the like.
ES70949A1
(en )
1919-11-01
Carbonization furnace.
DK26523C
(en )
1920-08-30
Cleaning hatch for the chimneys and the like.
CA211206A
(en )
1921-05-03
Furnace grate
DK28438C
(en )
1921-09-19
Procedure and Furnace for the Production of Bound Nitrogen.
CA257615A
(en )
1926-01-26
Chain grate for furnaces