CH80642A
(en )
1919-03-17
Device for the recovery of fats, oils, gasoline and other specifically light substances from waste water
CH74532A
(en )
1917-03-01
Process and device for the recovery of fats, oils, gasoline and other specifically light substances from wastewater
CH72937A
(en )
1916-07-17
Device for preventing liquids from boiling over
CH72256A
(en )
1916-04-17
Process for the production of briquettes from waste materials that can be used as fuel
CH57833A
(en )
1913-02-01
Device for regulating water turbines
CH74846A
(en )
1917-04-16
Method and device for collecting fatty substances from liquids
CH76172A
(en )
1917-11-01
Process for the production of briquettes from combustible waste
CH65742A
(en )
1914-07-16
Device for purifying waste water
AT52239B
(en )
1912-02-26
Method and device for the release of heat from waste water and other liquids without incrustation.
CH78950A
(en )
1918-09-16
Method and device for producing soap powder from liquid soap
CH74730A
(en )
1917-04-02
Device for making ropes
CH46583A
(en )
1910-03-16
Device for cleaning liquids
CH67553A
(en )
1914-12-16
Device to prevent boiling liquids from boiling over
CH78400A
(en )
1918-12-02
Process for briquetting fuel waste
CH63225A
(en )
1914-01-16
Device for fastening candles in candlesticks
CH76016A
(en )
1917-10-16
Method and device for the storage and use of energy by means of liquids
CH57547A
(en )
1913-01-16
Method and device for the evaporation of liquids
CH60993A
(en )
1913-09-01
Device for settling light suspended matter from sewage
AT74075B
(en )
1917-12-27
Process for the extraction of metals from seawater and other natural waters.
AT91400B
(en )
1923-02-26
Method and device for the extraction of bitumen from solid bituminous substances.
AT127023B
(en )
1932-02-25
Process and device for the production of low-boiling liquid fuels (e.g. gasoline) from coal, tars, oils or bituminous substances.
CH56998A
(en )
1912-12-02
Device for the electrical heating of liquids
AT82801B
(en )
1921-02-25
Method and device for the dialytic separation of colloids and crystalloids.
CH69342A
(en )
1915-06-16
Process for the production of gasoline from mineral oil
CH55491A
(en )
1912-09-02
Device for eliminating the coupling of animals