CH72382A
(en )
1916-05-01
Process for leaching, dissolving or mixing tanning materials or the like
CH74042A
(en )
1917-01-02
Process for the continuous leaching of ores, rocks and other goods
CH59952A
(en )
1913-06-16
Process for drying materials such as B. wood, leather etc.
AT87467B
(en )
1922-02-25
Process for pulverizing metals that are primarily used for the paint industry, explosives or the like.
AT71089B
(en )
1916-02-10
Process for pickling hollow bodies.
CH72353A
(en )
1916-05-01
Device for assembling gutters or the like
CH69429A
(en )
1915-06-16
Machine for washing gravel or the like
AT74078B
(en )
1917-12-27
Process for dyeing tanned calf hair or the knapsacks and other goods made from them.
AT75538B
(en )
1919-02-25
Process for cleaning liquids.
AT89325B
(en )
1922-09-11
Process for coloring metal surfaces.
AT59974B
(en )
1913-07-10
Machine for forming briquettes or the like.
AT75550B
(en )
1919-02-25
Process for processing quicklime.
CH73104A
(en )
1916-08-16
Tanning process
CH66328A
(en )
1914-10-16
Process for liming hides
AT75504B
(en )
1919-02-25
Method and machine for decorating leather.
AT71585B
(en )
1916-04-25
Process for waterproofing leather, in particular split and sheep leather.
CH79451A
(en )
1918-11-16
Device for locking doors and windows
AT71562B
(en )
1916-04-25
Process for draining damp masonry or the like.
CH59859A
(en )
1913-06-16
Machine for making stoppers for bottles or the like
CH60301A
(en )
1913-07-16
Machine for making stoppers for bottles or the like
FI6270A
(en )
1916-02-10
Fertilizers in the apparatus for the manufacture, concentration or operation of the apparatus
CH71231A
(en )
1915-12-16
Process for impregnating wood
AT87468B
(en )
1922-02-25
Process and device for evaporating or thickening solutions, emulsions and suspensions as well as for carrying out chemical reactions.
FR514346A
(en )
1921-03-08
Process for roasting ores, or the like, in rotary kilns
CH71658A
(en )
1916-02-01
Process for the preparation of 1,4-diaminoanthraquinone-2-carboxylic acid