CH57767A
(en )
1913-02-01
Process for extracting oxygen and nitrogen from air
CH53772A
(en )
1912-04-01
Method and device for the production of nitrogen oxides from nitrogen-oxygen mixtures
CH80596A
(en )
1919-03-01
Process and device for the extraction of pure oxygen and nitrogen from the air
CH73378A
(en )
1916-10-02
Process for obtaining nitrogen from air
CH48149A
(en )
1910-09-16
Process for liquefying air and breaking it down into oxygen and nitrogen
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH65413A
(en )
1914-06-16
Method and device for the separation of gas mixtures
AT57796B
(en )
1913-02-25
Process and apparatus for the direct extraction of tar and ammonium sulfate from distillation gases.
CH52711A
(en )
1911-12-16
Process and device for the production of atmospheric nitrogen
CH43442A
(en )
1909-05-17
Process and device for the production of gas from liquid fatty and hydrocarbons
CH76807A
(en )
1918-02-01
Process and device for cleaning air and gases
CH52169A
(en )
1911-11-01
Process for the continuous extraction of liquefied air and the separation of life into nitrogen and oxygen
AT80080B
(en )
1920-02-25
Device for separating dust from air and gases Device for separating dust from air and gases. n.
CH38477A
(en )
1907-10-31
Device for the electrical production of nitrogen compounds from air and other gas mixtures containing nitrogen and oxygen
AT71064B
(en )
1916-01-25
Device for separating impurities from gases and vapors.
CH73377A
(en )
1916-09-16
Apparatus for the catalytic production of nitrogen oxides from ammonia and air
CH34032A
(en )
1906-02-28
Apparatus for separating nitrogen and oxygen from gas mixtures containing nitrogen and oxygen
CH69348A
(en )
1915-06-16
Method and device for the production of articles from paper pulp
CH53635A
(en )
1912-03-16
Method and device for the production of detonating tapes in one operation
CH62520A
(en )
1913-12-01
Method and device for drying and purifying air
CH77184A
(en )
1918-03-16
Process and device for cleaning air and gases
CH50221A
(en )
1911-05-01
Process and device for the production of bonbonnières
CH46099A
(en )
1910-02-01
Device for displaying gas losses from gas lines and dangerous gas accumulations
CH76738A
(en )
1918-02-01
Process and device for the separation of gas mixtures by means of rectification
CH57691A
(en )
1913-02-01
Process for the production of hydrogen from gas mixtures containing hydrogen