|
DK92C
(en)
|
|
Feeding apparatus for coal dust dumps.
|
|
DK21C
(en)
|
|
Lighthouse for coal dust, coal ash and the like.
|
|
CH10917A
(en)
|
|
Improved grate system
|
|
GB189414397A
(en)
|
|
An Improved Coal Dust Feeder for Furnaces.
|
|
GB189503908A
(en)
|
|
An Improvement for Sifting Coal Ashes.
|
|
ES16772A1
(en)
|
|
A furnace system for burning coal dust.
|
|
DK2334C
(en)
|
|
Feeder for coal dust firing.
|
|
CH9270A
(en)
|
|
Pulverized coal firing
|
|
CA51237A
(en)
|
|
Apparatus for burning coal dust, etc.
|
|
GB189522697A
(en)
|
|
An Improved Chimney Cowl.
|
|
CA47933A
(en)
|
|
Furnace for burning coal dust
|
|
GB189515546A
(en)
|
|
An Improved Fire Grate.
|
|
DK72C
(en)
|
|
Procedure for the manufacture of coal briquettes.
|
|
DK106C
(en)
|
|
Charger for Sloping Retorts.
|
|
GB189504404A
(en)
|
|
An Improved Combination Coal Box.
|
|
GB189517360A
(en)
|
|
An Improved Lath for Tiled Roofing.
|
|
ES14702A1
(en)
|
|
A fumivorous hearth or hearth system for burning coal dust.
|
|
GB189503530A
(en)
|
|
An Improved Dust Pan.
|
|
CA50500A
(en)
|
|
Grate
|
|
CA49195A
(en)
|
|
Grate
|
|
CA48268A
(en)
|
|
Grate
|
|
GB189510133A
(en)
|
|
Improved Firing Appliances for Small-arms.
|
|
GB189415684A
(en)
|
|
Improved Coal Economizer.
|
|
GB189509601A
(en)
|
|
Improvements in Apparatus for Laying Coal Dust in Coal Mines.
|
|
CA50553A
(en)
|
|
Mechanical stoker
|