CH74874A
(en )
1917-05-01
Method and device for grinding glass and similar materials
CH74823A
(en )
1917-04-16
Method and apparatus for cutting glass, precious stones and similar hard objects
CH70239A
(en )
1915-09-01
Method and apparatus for breaking coconuts and the like
CH63507A
(en )
1914-02-02
Method and device for edging Solnhofen stone slabs
CH57972A
(en )
1913-02-01
Method and device for hopping beer
CH73938A
(en )
1916-12-16
Method and device for grinding the outer surface of conical rollers
CH74311A
(en )
1917-02-16
Device for hanging pictures and the like
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH74127A
(en )
1917-01-16
Method and device for evaporating liquids
CH72924A
(en )
1916-07-17
Method and apparatus for mixing sludge
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH74220A
(en )
1917-02-16
Method and device for washing grain
CH71574A
(en )
1916-01-17
Method and apparatus for opening and cleaning fiber material
CH56191A
(en )
1912-10-01
Device for turning grinding stones
CH75130A
(en )
1917-06-01
Method and device for cleaning animals
CH79131A
(en )
1918-10-01
Apparatus for sharpening chalk and the like
CH73807A
(en )
1916-11-16
Apparatus for sharpening chalk and the like
CH77115A
(en )
1918-03-01
Process for the evaporation of liquids and liquids containing liquids
CH61404A
(en )
1913-09-16
Method and device for sorting regrind
CH49269A
(en )
1911-01-16
Method and device for sharpening millstones
CH77576A
(en )
1918-05-01
Method for processing substances mixed with liquid and device for carrying out the same
CH77384A
(en )
1918-04-16
Method and device for making used envelopes reusable
CH72621A
(en )
1916-06-16
Method and apparatus for sterilizing liquids
CH70187A
(en )
1915-09-01
Method and device for pressing pulpy substances
CH69856A
(en )
1915-08-02
Method and device for cleaning dental tools