DK47837C
(en )
1933-10-02
Coke discharge device for vertical Retorters for Coking Coal and the like.
DK41768C
(en )
1930-03-03
Coke discharge device for vertical Retorts for Coking Coal and the like.
DK47882C
(en )
1933-10-16
Devices for vertical gas retorts and their coke discharge chambers.
DK49465C
(en )
1934-10-29
Vertical Retort for Coking Coal or similar.
DK35712C
(en )
1926-03-01
Procedure and Retort Furnace for Coking Coal.
DK39957C
(en )
1929-03-25
Apparatus for the extraction of valuable constituents of coal, peat, lignite and the like.
FR756041A
(en )
1933-12-04
Device for pounding coking coal
DK43935C
(en )
1931-03-30
Installations for the continuous coking of coal and similar materials.
DK52847C
(en )
1937-03-22
Device for vertical retorts for coking coal or other fuels.
DK45492C
(en )
1932-04-04
Charging rail for Rifles and Rifles for this.
CA284713A
(en )
1928-11-13
Screening device for soft coal
DK56146C
(en )
1939-05-08
Vertical Retort for Degassing of Coal.
DK58050C
(en )
1940-10-07
Device for vertical retort furnaces for gasification of coal or similar materials.
DK37570C
(en )
1927-06-07
Coke Meter for Vertical Retorts.
DK43782C
(en )
1931-03-02
Apparatus for coking coal and similar materials.
DK48350C
(en )
1934-02-05
Procedure for the Extraction of Sulfur.
CA298111A
(en )
1930-03-11
Apparatus for coking coal
DK46782C
(en )
1933-01-16
Dishwasher for Plates and the like.
ES132938A1
(en )
1934-02-16
Improvements in the vertical retorts for coal carbonization and analogous.
FR697378A
(en )
1931-01-16
Sorter for coke, ores, coal and similar materials
CA318079A
(en )
1931-12-15
Coal mining apparatus
CA299754A
(en )
1930-04-29
Coal drilling apparatus
FR643797A
(en )
1928-09-22
Bunker for coke ovens with horizontal chambers
CA311021A
(en )
1931-05-05
Apparatus for carbonizing coal
DK45523C
(en )
1932-04-11
Apparatus for Lifting Automobiles and the like.