CH70184A
(en )
1915-09-01
Method and device for determining the grain of diamonds
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
CH57505A
(en )
1913-01-16
Device for tilting demijohns and the like of various sizes
CH61091A
(en )
1913-09-01
Method and apparatus for eliminating the influence of inertia on selenium cells
CH66204A
(en )
1914-08-17
Method and device for deactivating radioactive and radioactivated liquids
CH61499A
(en )
1913-10-01
Method and device for drying material
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH72456A
(en )
1916-05-16
Method and device for separating different types of material
CH55750A
(en )
1912-09-02
Method and device for cleaning raw table salt
CH67429A
(en )
1914-12-01
Process and device for the electrolysis of halogenated alkalis
CH81717A
(en )
1919-07-01
Process and device for the electrolysis of halogenated alkalis
AT73111B
(en )
1917-02-26
Method and device for etching metal plates.
CH57547A
(en )
1913-01-16
Method and device for the evaporation of liquids
CH70187A
(en )
1915-09-01
Method and device for pressing pulpy substances
CH68035A
(en )
1915-02-01
Method and device for making the knots of oriental carpets
CH70439A
(en )
1915-09-16
Method and device for granulating calcium cyanamide
CH64705A
(en )
1914-04-16
Method and device for dry egg preservation
CH63367A
(en )
1914-02-02
Method and device for preventing scale formation
CH71588A
(en )
1916-01-17
Method and device for evaporating and distilling liquids
CH72073A
(en )
1916-04-01
Method and device for the transmission of sound waves
CH67248A
(en )
1914-11-16
Method and device for treating liquids with gases
CH66499A
(en )
1914-09-16
Method and device for treating solutions with gases
CH70239A
(en )
1915-09-01
Method and apparatus for breaking coconuts and the like
CH45673A
(en )
1909-12-01
Device for polishing rod-shaped metal bodies of circular cross-section