CH64943A
(en )
1914-05-16
Continuous process and device for purifying waste water
CH65742A
(en )
1914-07-16
Device for purifying waste water
CH48232A
(en )
1910-10-01
Process and device for the purification of waste water
CH57972A
(en )
1913-02-01
Method and device for hopping beer
CH72924A
(en )
1916-07-17
Method and apparatus for mixing sludge
CH65210A
(en )
1914-06-01
Device for dewatering steam and cleaning sludge parts thereof
CH66514A
(en )
1914-09-16
Method and apparatus for treating water for the purpose of preventing scale formation
CH65494A
(en )
1914-06-16
Method and device for disinfecting toilet seats
CH66461A
(en )
1914-09-16
Device for cleaning pipes
CH58967A
(en )
1913-04-16
Device for removing profile shapes
CH52782A
(en )
1912-01-02
Method and apparatus for purifying boiler feed water
CH60548A
(en )
1913-07-16
Process for processing waste paper
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH56996A
(en )
1912-12-02
Process and device for deslagging from waste incineration ovens
CH48436A
(en )
1910-10-17
Method and device for extinguishing lime
CH70439A
(en )
1915-09-16
Method and device for granulating calcium cyanamide
CH70187A
(en )
1915-09-01
Method and device for pressing pulpy substances
CH77548A
(en )
1918-05-01
Method and device for double-sided smoothing of rough sheet paper
CH55750A
(en )
1912-09-02
Method and device for cleaning raw table salt
CH66499A
(en )
1914-09-16
Method and device for treating solutions with gases
CH63507A
(en )
1914-02-02
Method and device for edging Solnhofen stone slabs
CH69735A
(en )
1915-07-16
Device for cleaning sludge shafts
CH63450A
(en )
1914-02-02
Device for signaling the warming up of machine parts
CH71300A
(en )
1915-12-16
Process and furnace system for drying and gasifying sewage sludge
CH67764A
(en )
1915-01-02
Device for collecting floating matter from sewage