CH79829A
(en )
1919-01-16
Process for the recovery of iron and steel waste
CH60996A
(en )
1913-09-01
Process and system for the production of stereotype plates
CH72155A
(en )
1916-04-01
Process for the production of briquettes from urban waste and bones
CH48232A
(en )
1910-10-01
Process and device for the purification of waste water
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH58796A
(en )
1913-04-01
Process for the uninterrupted conveyance of heavy-bodied batches and installation for its execution
CH81717A
(en )
1919-07-01
Process and device for the electrolysis of halogenated alkalis
CH67429A
(en )
1914-12-01
Process and device for the electrolysis of halogenated alkalis
AT89550B
(en )
1922-10-10
Method and device for shredding waste.
CH72152A
(en )
1916-04-01
Method and device for the production of sand-lime bricks
CH65413A
(en )
1914-06-16
Method and device for the separation of gas mixtures
CH75323A
(en )
1917-07-02
Process for the recovery of ash components contained in household and commercial waste
CH72924A
(en )
1916-07-17
Method and apparatus for mixing sludge
CH71921A
(en )
1916-08-01
Method and device for the production of soap powder
CH64879A
(en )
1914-05-01
Process for the recovery of ashes present in meltable waste
CH76738A
(en )
1918-02-01
Process and device for the separation of gas mixtures by means of rectification
CH68187A
(en )
1915-02-16
Process for the drainage of organic and inorganic substances
CH55941A
(en )
1912-09-16
Process and device for the production of explosive charges
CH67201A
(en )
1914-11-16
Process for the manufacture of cement asbestos bricks and the like
CH53116A
(en )
1912-02-01
Method and device for the production of bodies provided with helical surfaces
CH54859A
(en )
1912-07-01
Method and device for the production of mineral water
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH75849A
(en )
1917-10-01
Method and device for the manufacture of articles from reinforced concrete