CH75515A
(en )
1917-08-01
Device for conveying objects with change of direction
CH72184A
(en )
1916-09-16
Device for forming loopholes
CH73596A
(en )
1916-10-16
Apparatus for determining the specific gravity of liquids
CH72353A
(en )
1916-05-01
Device for assembling gutters or the like
CH75652A
(en )
1918-02-01
Device for making butter
AT79113B
(en )
1919-11-10
Apparatus for obtaining serum.
AT52418B
(en )
1912-02-26
Device for testing the tightness of transport drums.
AT89303B
(en )
1922-09-11
Device for determining and adjusting directional and shot elements.
AT69146B
(en )
1915-06-25
Device for the magnetic processing of ores.
CH72453A
(en )
1916-05-16
Process for the preparation of 1.5-diamido-2.6-dimercaptoanthraquinone
CH77556A
(en )
1918-05-01
Device for illustrating the elementary arithmetic operations
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
DK20721C
(en )
1915-11-08
Apparatus for the manufacture of emulsions.
CH70636A
(en )
1916-03-16
Device for hanging up drawings
CH63170A
(en )
1914-01-16
Device for the automatic taking of samples
CH73664A
(en )
1916-11-01
Device for saving heating material
CH75008A
(en )
1917-05-16
Device for saving heating material
CH72889A
(en )
1916-12-01
Device for monitoring due dates
AT79500B
(en )
1919-12-29
Device for determining the moment when bombs are released at night.
CH77678A
(en )
1918-05-16
Device for conveying ring bodies through a hardening liquid
ES64873A1
(en )
1917-08-01
Procedure for the separation of solids of different specific gravities.
DK24798C
(en )
1919-07-21
Apparatus for Indicating the Presence of Explosive Air Mixtures.
AT79351B
(en )
1919-12-10
Apparatus for absorbometric gas analysis with solid substances.
DK17959C
(en )
1913-10-20
Apparatus for the distribution of concentrates or the like.
DK30445C
(en )
1922-10-16
Clarifier.