CH67553A
(en )
1914-12-16
Device to prevent boiling liquids from boiling over
CH72937A
(en )
1916-07-17
Device for preventing liquids from boiling over
CH76070A
(en )
1917-11-01
Device to prevent liquids from boiling over or further boiling
CH75431A
(en )
1917-07-16
Device to prevent the overflow of boiling liquids
CH66285A
(en )
1914-08-17
Device for preventing liquid from boiling over
CH81108A
(en )
1919-05-01
Equipment on cooking pots to prevent the overflow of boiling liquids
CH75914A
(en )
1917-10-16
Device for cleaning surface capacitors
CH47394A
(en )
1910-06-16
Funnel with device to prevent overfilling of vessels
CH69538A
(en )
1915-07-01
Device for pushing up water
AT75533B
(en )
1919-02-25
Device for atomizing liquid.
AT91040B
(en )
1923-01-25
Device for the rapid evaporation of liquid fuels.
CH72317A
(en )
1916-05-01
Device for cooling transformer oil
CH72184A
(en )
1916-09-16
Device for forming loopholes
CH70716A
(en )
1916-03-01
Device to facilitate the treatment of cheese wheels
CH67578A
(en )
1915-02-16
Device to facilitate the treatment of cheese wheels
CH69309A
(en )
1915-06-01
Taps for the successive withdrawal of sterilized liquids
FR431782A
(en )
1911-11-20
Advanced device to correct deformities of the feet
CH66434A
(en )
1914-09-01
Device for preparing emulsions
CH73766A
(en )
1916-11-16
Device to prevent sparking
CH55491A
(en )
1912-09-02
Device for eliminating the coupling of animals
FR471407A
(en )
1914-10-26
Device for injections
CH65742A
(en )
1914-07-16
Device for purifying waste water
FR476786A
(en )
1915-08-31
Warning device
FI5932A
(en )
1914-10-08
Device to prevent the nut from unscrewing
FR468604A
(en )
1914-07-10
Safety device for submarines