CH62012A
(en )
1913-12-16
Process for generating white light similar to natural daylight
CH66164A
(en )
1914-08-01
Process for producing sodium
CH67055A
(en )
1914-11-02
Process for producing potassium
CH65639A
(en )
1914-07-01
Process for making sacks
CH73468A
(en )
1916-10-02
Process for the production of calcium cyanamide
AT75541B
(en )
1919-02-25
Process for the production of filter cylinders.
AT52360B
(en )
1912-02-26
Process for producing carburized water gas.
CH62289A
(en )
1913-11-17
Method of making briquettes
CH63309A
(en )
1914-01-16
Process for the production of briquettes using sulphite waste liquor
CH75089A
(en )
1917-11-01
Process for the relief of action reaction turbines
CH65431A
(en )
1914-06-16
Process for the production of filament lamps
CH62855A
(en )
1913-12-16
Process for making soap
CH78400A
(en )
1918-12-02
Process for briquetting fuel waste
CH73900A
(en )
1916-12-01
Method of making briquettes
CH64477A
(en )
1914-04-01
Process for purifying hydrogen
CH66971A
(en )
1914-10-16
Method of making briquettes
CH68153A
(en )
1915-02-16
Process for the production of fuel
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH67392A
(en )
1914-12-01
Process for the production of sawdust briquettes
CH79929A
(en )
1919-01-16
Process for generating luminous gas and water gas
CH63647A
(en )
1914-02-02
Process for decorating wood with inlays
CH81904A
(en )
1919-08-01
Process for accumulating waste energy from natural hydropower
AT83793B
(en )
1921-05-10
Process for the production of staple fibers.
CH64952A
(en )
1914-05-01
Process for the production of photographs with a copperplate-like effect
CH76325A
(en )
1917-12-01
Process for producing cigarettes which can be ignited on friction surfaces