CH65355A
(en )
1914-06-01
Process for removing oxygen from water for domestic and commercial use
CH64477A
(en )
1914-04-01
Process for purifying hydrogen
CH71368A
(en )
1915-12-16
Process for the production of upholstery wool from horsehair waste
CH59680A
(en )
1913-06-02
Process for cleaning water containing sulphate
CH69818A
(en )
1915-07-16
Process for the production of conical springs from steel strips
CH59844A
(en )
1913-06-02
Process for removing hydrogen sulfide from gases
CH62289A
(en )
1913-11-17
Method of making briquettes
CH63822A
(en )
1914-02-16
Process for separating water from suspensions and emulsions
CH61925A
(en )
1913-10-16
Process for treating oleic acid with hydrogen
CH66777A
(en )
1914-10-16
Process for the manufacture of pipe fittings
CH67702A
(en )
1915-01-16
Process for processing the gas water in small gas works
CH77386A
(en )
1918-04-16
Process for the production of cleaning cloths from paper fabrics
CH55943A
(en )
1912-09-16
Process for clarifying and disinfecting water
CH47008A
(en )
1910-05-02
Process for the manufacture of pipes from sheet iron
CH63475A
(en )
1914-02-02
Process for making whey lemonade
CH73083A
(en )
1916-08-16
Process for making twine
CH66971A
(en )
1914-10-16
Method of making briquettes
CH53998A
(en )
1912-04-16
Process for the production of sheet metal, strips, wire and the like from electrolyte iron
CH59431A
(en )
1913-05-16
Process for making clichés
CH66129A
(en )
1914-08-17
Process for cleaning Twitchell reactive
CH49857A
(en )
1911-04-01
Process for the production of briquettes from porous fuels
CH67214A
(en )
1914-11-16
Process for the utilization of flue gases
CH61627A
(en )
1913-10-01
Process for the manufacture of porous drain tubes
CH66355A
(en )
1914-09-01
Process for the treatment of chromium-nickel steel alloys
CH66975A
(en )
1914-11-02
Process for processing the gas water in small gas works