CH81717A
(en )
1919-07-01
Process and device for the electrolysis of halogenated alkalis
CH67429A
(en )
1914-12-01
Process and device for the electrolysis of halogenated alkalis
CH82898A
(en )
1919-11-01
Device for the electrolysis of halogen alkalis
CH59359A
(en )
1913-05-02
Method and device for the production of glass vessels
CH53581A
(en )
1912-03-01
Method and device for the electrolysis of salt solutions
CH58635A
(en )
1913-03-17
Method and device for the production of silk and other fine fabrics
AT63631B
(en )
1914-02-25
Method and device for the production of glass rings.
CH55750A
(en )
1912-09-02
Method and device for cleaning raw table salt
CH65413A
(en )
1914-06-16
Method and device for the separation of gas mixtures
CH57547A
(en )
1913-01-16
Method and device for the evaporation of liquids
AT65924B
(en )
1914-07-25
Method and device for the production of sheet glass.
CH67771A
(en )
1915-01-16
Method and device for the production of autotypical raster images
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH62851A
(en )
1913-12-16
Process and device for the production of white lead
CH68991A
(en )
1915-05-17
Process and apparatus for the production of black lead
CH56097A
(en )
1912-10-01
Device for the detachable fastening of curtains
CH53116A
(en )
1912-02-01
Method and device for the production of bodies provided with helical surfaces
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
CH48232A
(en )
1910-10-01
Process and device for the purification of waste water
CH50221A
(en )
1911-05-01
Process and device for the production of bonbonnières
CH72152A
(en )
1916-04-01
Method and device for the production of sand-lime bricks
CH57596A
(en )
1913-01-16
Method and device for the production of rings with setting
CH71921A
(en )
1916-08-01
Method and device for the production of soap powder
CH55941A
(en )
1912-09-16
Process and device for the production of explosive charges
CH51187A
(en )
1911-08-16
Device for the extension of broken limbs