CH74042A
(en )
1917-01-02
Process for the continuous leaching of ores, rocks and other goods
AT301192B
(en )
1972-08-25
Process for the treatment of granular material or the like. with a gas, preferably for roasting ores and a rotary kiln to carry out the process
CH75169A
(en )
1917-06-16
Process for the treatment of molten material, alloys and the like and a flame furnace for its practice
CH72382A
(en )
1916-05-01
Process for leaching, dissolving or mixing tanning materials or the like
AT74078B
(en )
1917-12-27
Process for dyeing tanned calf hair or the knapsacks and other goods made from them.
CH74220A
(en )
1917-02-16
Method and device for washing grain
AT87467B
(en )
1922-02-25
Process for pulverizing metals that are primarily used for the paint industry, explosives or the like.
CH75790A
(en )
1917-09-17
Process for the direct production of fine iron and fine steel from titanium-containing iron ores
ES62773A1
(en )
1916-09-01
Apparatus for the continuous leaching of metallic minerals, rocks and other materials.
AT89325B
(en )
1922-09-11
Process for coloring metal surfaces.
CH79829A
(en )
1919-01-16
Process for the recovery of iron and steel waste
CH62831A
(en )
1913-12-16
Method and apparatus for finishing the edges of pieces of leather
AT59974B
(en )
1913-07-10
Machine for forming briquettes or the like.
CH81801A
(en )
1919-07-16
Method and machine for bending metal wire into eyelets
CH81158A
(en )
1919-10-16
Process for descaling wires, tubes and the like by means of a sandblasting blower
CH57094A
(en )
1912-12-16
Process for case hardening iron and steel objects
AT75504B
(en )
1919-02-25
Method and machine for decorating leather.
CH57856A
(en )
1913-02-01
Process for the exploration of complex radium ore
AT68028B
(en )
1915-02-25
Method and apparatus for drying granular material.
AT80048B
(en )
1920-02-25
Device for conveying powdery material. Device for conveying powdery material.
AT88426B
(en )
1922-05-10
Process for processing manganese-containing slags and ores.
CH63846A
(en )
1914-02-16
Process and Siemens-Martin furnace for processing iron or iron oxide-containing masses that contain volatile metals for the purpose of extracting the volatile metals in addition to producing iron
AT71089B
(en )
1916-02-10
Process for pickling hollow bodies.
AT82958B
(en )
1921-02-25
Method and device for roasting fibrous material by fermentation.
CH77117A
(en )
1918-03-01
Method for drying patent leather