CH62520A
(en )
1913-12-01
Method and device for drying and purifying air
CH66429A
(en )
1914-09-01
Method and device for drying and purifying air
CH76807A
(en )
1918-02-01
Process and device for cleaning air and gases
CH57505A
(en )
1913-01-16
Device for tilting demijohns and the like of various sizes
CH77184A
(en )
1918-03-16
Process and device for cleaning air and gases
CH74311A
(en )
1917-02-16
Device for hanging pictures and the like
CH79180A
(en )
1918-10-16
Device for cleaning rooms, objects and liquids using ozonated air
AT23099B
(en )
1906-02-26
Device for drying and purifying air.
CH55443A
(en )
1912-08-16
Device for disinfecting and deodorising air
CH68829A
(en )
1915-05-01
Device for conveying air
CH44948A
(en )
1909-10-01
Device for cooling, humidifying and purifying air
CH54905A
(en )
1912-07-01
Device for cleaning and odorless combustion gases
CH62340A
(en )
1913-11-17
Method for dehumidifying air
CH55951A
(en )
1912-09-16
Device for fastening papers and files
CH46579A
(en )
1910-04-01
Device for knocking off dust from air filters
CH59539A
(en )
1913-06-02
Device for the individual transport and straightening of workpieces
CH74343A
(en )
1917-06-01
Device for cutting ovals and circles
AT80080B
(en )
1920-02-25
Device for separating dust from air and gases Device for separating dust from air and gases. n.
CH51911A
(en )
1911-10-02
Device for mixing smoke and exhaust gases with air
CH44950A
(en )
1909-10-01
Device for introducing humidified air into rooms
CH73377A
(en )
1916-09-16
Apparatus for the catalytic production of nitrogen oxides from ammonia and air
CH73796A
(en )
1916-11-16
Device for mixing gases and liquids
CH68344A
(en )
1915-03-01
Device for the rapid drying of photographic plates by means of heated and moving air
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH62674A
(en )
1913-12-16
Device for the automatic ignition and extinguishing of lighting apparatus