AT80080B
(en )
1920-02-25
Device for separating dust from air and gases Device for separating dust from air and gases. n.
CH55498A
(en )
1912-08-16
Air filter
AT71064B
(en )
1916-01-25
Device for separating impurities from gases and vapors.
CH76807A
(en )
1918-02-01
Process and device for cleaning air and gases
AT71065B
(en )
1916-01-25
Device for separating impurities from gases and vapors.
CH59098A
(en )
1913-04-16
Device for diluting the smoke gases emitted from chimneys
CH41906A
(en )
1908-12-01
Device for separating solid particles from gases
CH57622A
(en )
1913-01-16
Column apparatus for separating the air
CH66430A
(en )
1914-09-16
Device for drying and purifying air
CH56536A
(en )
1912-11-01
Device for cleaning the smoke emerging from the chimneys of soot and dust
AT63692B
(en )
1914-02-25
Ventilation device for supplying fresh air and extracting used air.
CH77184A
(en )
1918-03-16
Process and device for cleaning air and gases
CH57767A
(en )
1913-02-01
Process for extracting oxygen and nitrogen from air
CH55709A
(en )
1912-09-02
Air gas apparatus
DK14679C
(en )
1911-06-19
Compressor for Air and the like.
CH68829A
(en )
1915-05-01
Device for conveying air
CH50408A
(en )
1911-05-16
Device for the transport of gases
CH78401A
(en )
1918-12-16
Process and device for separating solid and condensable vapor components from flue gases
DK25877C
(en )
1920-04-26
Apparatus for Purifying Air for Dust.
CH73139A
(en )
1916-08-16
Apparatus for producing oxygen from atmospheric air
GB117957A
(en )
1918-08-13
Improvements in or connected with Apparatus for Separating Dust Powder from Gases or Air Containing it.
FR423918A
(en )
1911-05-01
Gas purifier
FR400436A
(en )
1909-07-27
Gas purifier
CH73377A
(en )
1916-09-16
Apparatus for the catalytic production of nitrogen oxides from ammonia and air
CH47416A
(en )
1910-07-01
Device for cleaning air filled with dust