AT31247B
(en )
1907-12-27
Process for agglomerating fine-grained iron ore, manganese ore, gravel burns, blast furnace dust and the like. like
AT59844B
(en )
1913-06-25
Method for heating gas shaft furnaces and furnace therefor.
AT72218B
(en )
1916-08-10
Mechanical roasting oven.
AT78452B
(en )
1919-09-25
Shaft furnace for smoldering bituminous materials at low temperatures.
AT98407B
(en )
1924-11-10
Facility for maturing and bleaching flour.
AT72230B
(en )
1916-08-10
Process and device for operating gas generators with liquid slag tapping.
AT79517B
(en )
1919-12-29
Process for briquetting fine ores and other smeltable or fusible materials.
AT38403B
(en )
1909-08-25
Process for the preparation of ores through precipitation work.
AT72223B
(en )
1916-08-10
Process for the treatment of ores containing zinc oxide with sulphurous acid.
AT64886B
(en )
1914-05-25
Skimming process for concentrating ores.
AT30639B
(en )
1907-11-11
Crucible furnace.
AT62840B
(en )
1914-01-10
Heating gas supply in duct ovens for annealing sheet metal, iron strips, wire or the like in boxes or muffles
AT72217B
(en )
1916-08-10
Method and device for charging closed electric furnaces.
AT72224B
(en )
1916-08-10
Kiln system for drying and gasifying sewage sludge.
AT55681B
(en )
1912-10-10
Machine for milling and slitting sheet metal plates.
AT55465B
(en )
1912-09-25
Vessel for precipitating copper from copper-containing solutions with iron.
AT77048B
(en )
1919-07-10
Machine for straightening bent and dented railway buffers.
AT57415B
(en )
1913-01-25
Process for lowering the dew point of coal gases.
AT42792B
(en )
1910-06-25
Method of sinking shafts.
AT86414B
(en )
1921-11-25
Device for regulating the furnace draft.
AT62412B
(en )
1913-12-10
Process for leaching copper ores.
AT74114B
(en )
1918-01-25
Machine for cleaning and removing awn from grain.
AT74375B
(en )
1918-05-25
Method and device for operating vacuum tubes.
AT36647B
(en )
1909-03-26
Machine for attaching sheet metal sleeves to tapes and belts.
AT79520B
(en )
1919-12-29
Drive for the longitudinal movement of the ribbon of typewriters.