AT83246B
(en )
1921-02-25
Method and device for the treatment and extraction of tar and ammonia water from gases.
CH66499A
(en )
1914-09-16
Method and device for treating solutions with gases
AT74075B
(en )
1917-12-27
Process for the extraction of metals from seawater and other natural waters.
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH82598A
(en )
1920-03-01
Method and device for the electrical treatment of gases and vapors
AT57796B
(en )
1913-02-25
Process and apparatus for the direct extraction of tar and ammonium sulfate from distillation gases.
AT57953B
(en )
1913-02-25
Method and device for dry quenching of quicklime.
CH77537A
(en )
1918-09-02
Method and device for the preparation of hydrochloric acid from hydrogen gas and chlorine gas
CH81934A
(en )
1919-08-01
Process and device for the recovery of metal from metal-containing waste
CH66514A
(en )
1914-09-16
Method and apparatus for treating water for the purpose of preventing scale formation
CH77805A
(en )
1918-06-01
Fertilizer and process and device for its extraction
AT82964B
(en )
1921-02-25
Method and device for the production of hop extracts.
CH67248A
(en )
1914-11-16
Method and device for treating liquids with gases
AT73111B
(en )
1917-02-26
Method and device for etching metal plates.
AT87324B
(en )
1922-02-25
Method and device for making trains in tubes.
CH70187A
(en )
1915-09-01
Method and device for pressing pulpy substances
CH52439A
(en )
1911-11-16
Method and device for the wet treatment of hides and skins
AT91371B
(en )
1923-02-26
Method and apparatus for the production of naphtha from natural gas.
AT91400B
(en )
1923-02-26
Method and device for the extraction of bitumen from solid bituminous substances.
CH61154A
(en )
1913-09-01
Method and device for removing blockages in pipelines
AT102650B
(en )
1926-02-25
Method and device for the electrical separation of floating bodies from insulating, in particular gaseous liquids.
AT82234B
(en )
1921-01-10
Process for the treatment of lignocelluloses containing ketones.
AT82801B
(en )
1921-02-25
Method and device for the dialytic separation of colloids and crystalloids.
CH50228A
(en )
1911-05-01
Method and device for pre-treating water for its purification
CH55750A
(en )
1912-09-02
Method and device for cleaning raw table salt