CH63507A
(en )
1914-02-02
Method and device for edging Solnhofen stone slabs
CH74874A
(en )
1917-05-01
Method and device for grinding glass and similar materials
CH57972A
(en )
1913-02-01
Method and device for hopping beer
CH70239A
(en )
1915-09-01
Method and apparatus for breaking coconuts and the like
CH65179A
(en )
1914-06-01
Method and device for draining masonry
CH75130A
(en )
1917-06-01
Method and device for cleaning animals
CH65392A
(en )
1914-06-16
Device for grinding diamonds
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH56191A
(en )
1912-10-01
Device for turning grinding stones
CH69856A
(en )
1915-08-02
Method and device for cleaning dental tools
CH49269A
(en )
1911-01-16
Method and device for sharpening millstones
CH53534A
(en )
1912-03-01
Method and device for the production of stone slabs
CH72924A
(en )
1916-07-17
Method and apparatus for mixing sludge
CH50793A
(en )
1911-07-01
Device for finishing bricks
CH69997A
(en )
1915-08-02
Process for the reproduction of noble types of stone, majolica and clay tiles
CH61404A
(en )
1913-09-16
Method and device for sorting regrind
CH66552A
(en )
1914-09-16
Method and device for heating and cooling objects
CH64943A
(en )
1914-05-16
Continuous process and device for purifying waste water
CH67861A
(en )
1915-02-01
Method and machine for processing the abutting surfaces of floor slabs made of natural rock
CH60721A
(en )
1913-08-01
Process for the extraction of shaped stones in quarries
CH73308A
(en )
1917-02-01
Method and device for laying earth mines
CH74220A
(en )
1917-02-16
Method and device for washing grain
CH67287A
(en )
1914-11-16
Device for grinding and polishing precious stones
CH67286A
(en )
1914-11-16
Device for grinding and polishing precious stones
AT82958B
(en )
1921-02-25
Method and device for roasting fibrous material by fermentation.