CH57972A
(en )
1913-02-01
Method and device for hopping beer
CH56294A
(en )
1912-10-16
Process and device for garbage disposal
AT22828B
(en )
1906-01-25
Method and device for washing filter mass.
AT57953B
(en )
1913-02-25
Method and device for dry quenching of quicklime.
CH64943A
(en )
1914-05-16
Continuous process and device for purifying waste water
CH71300A
(en )
1915-12-16
Process and furnace system for drying and gasifying sewage sludge
CH56987A
(en )
1912-12-02
Device for closing drains
CH47091A
(en )
1910-06-01
Process and device for heating work equipment
CH72924A
(en )
1916-07-17
Method and apparatus for mixing sludge
CH54905A
(en )
1912-07-01
Device for cleaning and odorless combustion gases
CH48436A
(en )
1910-10-17
Method and device for extinguishing lime
CH54315A
(en )
1912-05-01
Method and device for drying pasta
AT89550B
(en )
1922-10-10
Method and device for shredding waste.
CH55951A
(en )
1912-09-16
Device for fastening papers and files
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH48232A
(en )
1910-10-01
Process and device for the purification of waste water
CH74826A
(en )
1917-04-16
Method and device for burning and utilizing flue gases
CH48067A
(en )
1910-09-16
Device for removing ash from ovens
CH50713A
(en )
1911-06-16
Device for taking notes and copying them at the same time
CH70187A
(en )
1915-09-01
Method and device for pressing pulpy substances
CH57162A
(en )
1912-12-16
Method and device for disinfecting everyday objects
CH54277A
(en )
1912-05-17
Device for cleaning pipelines
CH69735A
(en )
1915-07-16
Device for cleaning sludge shafts
AT80066B
(en )
1920-02-25
Method and device for releasing the graphitaneMethod and device for releasing the graphite deposit from the retort wall. atzes from the retort wall.
CH70239A
(en )
1915-09-01
Method and apparatus for breaking coconuts and the like