CH59849A
(en )
1913-06-02
Device for collecting waste while eating
CH65742A
(en )
1914-07-16
Device for purifying waste water
CH59378A
(en )
1913-05-02
Device for cleaning beer pipes
CH58731A
(en )
1913-04-01
Device for reaming or grinding bones and other hard materials
CH60472A
(en )
1913-07-16
Device for removing the manure from shoes
CH62297A
(en )
1913-11-17
Device for sharpening and cleaning knives and for cleaning forks
CH61366A
(en )
1913-09-16
Self-closing device for collecting dirt and rubbish
CH69735A
(en )
1915-07-16
Device for cleaning sludge shafts
CH63170A
(en )
1914-01-16
Device for the automatic taking of samples
CH60393A
(en )
1913-07-16
Device to facilitate hearing
CH51600A
(en )
1911-09-01
Device for punching and cutting roof tiles
CH74343A
(en )
1917-06-01
Device for cutting ovals and circles
CH65687A
(en )
1914-07-01
Device to prevent overflow when filling portable fecal matter containers
CH72071A
(en )
1916-03-16
Device for holding strips provided with inscriptions
CH64943A
(en )
1914-05-16
Continuous process and device for purifying waste water
CH75914A
(en )
1917-10-16
Device for cleaning surface capacitors
CH63225A
(en )
1914-01-16
Device for fastening candles in candlesticks
CH58236A
(en )
1913-03-01
Device for the reliable forward movement of paper strips in recording instruments
AT74066B
(en )
1917-12-27
Device for converting rock salt into consumption salt.
CH61643A
(en )
1913-10-01
Device for preventing railroad tracks from moving
CH64879A
(en )
1914-05-01
Process for the recovery of ashes present in meltable waste
CH59504A
(en )
1913-06-02
Device for improving the power factor of asynchronous machines
AT71587B
(en )
1916-04-25
Method and device for growing large crystals.
CH66461A
(en )
1914-09-16
Device for cleaning pipes
AT89550B
(en )
1922-10-10
Method and device for shredding waste.