AT69146B
(en )
1915-06-25
Device for the magnetic processing of ores.
AT57735B
(en )
1913-02-25
Floating process for processing sulphidic ores.
CH66434A
(en )
1914-09-01
Device for preparing emulsions
CH82898A
(en )
1919-11-01
Device for the electrolysis of halogen alkalis
CH40955A
(en )
1908-09-16
Device for the magnetic processing of ore
CH66913A
(en )
1914-10-16
Device for making surface patterns
AT71087B
(en )
1916-02-10
Device for preventing or eliminating deposits in rotating agglomerating ovens.
AT71222B
(en )
1916-02-25
Apparatus for displaying billboards.
CH63170A
(en )
1914-01-16
Device for the automatic taking of samples
CH77556A
(en )
1918-05-01
Device for illustrating the elementary arithmetic operations
AT76183B
(en )
1919-04-25
Process for the desugarization of molasses and for the boiling of processes.
CH66764A
(en )
1914-10-16
Device for taking material samples
CH50633A
(en )
1911-06-16
Device for extracting timetables
CH49453A
(en )
1911-02-16
Device for switching on the engine of speaking machines
CH49354A
(en )
1911-02-01
Device for preventing the wheels of vehicles from sliding
CH48741A
(en )
1910-12-01
Device for the production of galvanizing
CH63578A
(en )
1914-02-02
Device for the production of black lead
CH57164A
(en )
1912-12-16
Device for the automatic issuing of tokens
AT90967B
(en )
1923-01-25
Device for the separation of bodies of different specific weights.
CH72184A
(en )
1916-09-16
Device for forming loopholes
CH65438A
(en )
1914-06-16
Device for punching (validating) tickets or the like
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
AT52418B
(en )
1912-02-26
Device for testing the tightness of transport drums.
AT63690B
(en )
1914-02-25
Device for sealing shafts.
AT63631B
(en )
1914-02-25
Method and device for the production of glass rings.