AT87420B
(en )
1922-02-25
Washing device for the extraction of coke from waste and residues.
AT106719B
(en )
1927-06-25
Process and device for gasification or for gasification and degassing of coal dust.
AT96154B
(en )
1924-02-25
Process for cleaning and deodorising oils and fats.
AT88449B
(en )
1922-05-10
Device for degassing and gasifying fuels.
AT91373B
(en )
1923-02-26
Process for dewatering oils and emulsions.
CH89519A
(en )
1921-06-01
Process for separating coke and coal from fuel residues.
CH82982A
(en )
1919-11-01
Process for the extraction of soluble components from cellulose-containing substances
CH79341A
(en )
1918-11-01
Method and device for the extraction of shale oils
AT87383B
(en )
1922-02-25
Device for processing ores using the foam floating method.
GR589B
(en )
1924-03-28
METHOD OF LIQUID TREATMENT TO REMOVE AND RECOVER SUBSTANCES FROM THEM.
FR549085A
(en )
1923-02-01
Lock for nuts
AT106715B
(en )
1927-06-25
Process for separating liquid mixtures.
AT104736B
(en )
1926-11-25
Process for the hydrogenation of coal.
DK34354C
(en )
1925-04-06
Apparatus for the Treatment of Hydrocarbons.
AT88450B
(en )
1922-05-10
Device for degassing and gasifying fuels.
FR516827A
(en )
1921-04-26
Filtration apparatus
CH83285A
(en )
1919-11-17
Apparatus for preventing liquids from boiling over
CH83048A
(en )
1920-04-01
Device for cleaning and disinfecting telephone sets
CH83500A
(en )
1919-12-01
Device for cleaning and de-awning of grain
AT87393B
(en )
1922-02-25
Process for the recovery of fuels from fuel residues.
AT87392B
(en )
1922-02-25
Process for the recovery of fuels from fuel residues.
AT87384B
(en )
1922-02-25
Process for the recovery of fuels from fuel residues.
AT91400B
(en )
1923-02-26
Method and device for the extraction of bitumen from solid bituminous substances.
AT107016B
(en )
1927-08-10
Process for cleaning tar and water-containing gases.
AT155614B
(en )
1939-02-25
Process for the treatment of residues resulting from the roasting of pyrites.