CH30131A
(en )
1904-11-15
Apparatus for breathing in unclean air
CH16190A
(en )
1898-09-30
Apparatus for carburizing air
CH27847A
(en )
1904-03-15
Apparatus for cleaning used lubricating materials
CH33796A
(en )
1906-01-15
Apparatus for scrubbing gases
CH29042A
(en )
1904-07-15
Apparatus for the rapid drying of short cut pasta
CH26957A
(en )
1903-11-15
Apparatus for saturating air with vapors
CH17295A
(en )
1899-05-31
Apparatus for disinfecting rooms
CH27534A
(en )
1904-01-31
Apparatus for evolving excessive smelling gases
CH65435A
(en )
1914-06-16
Apparatus for inhaling cold and dry air
CH34507A
(en )
1906-04-30
Apparatus for separating gas mixtures into their components
DK6854C
(en )
1904-08-15
Apparatus for Purification and Humidification of Air.
CH29342A
(en )
1904-08-15
Apparatus for generating air gas
CH30787A
(en )
1905-01-31
Apparatus for generating compressed air
CH30788A
(en )
1905-01-31
Apparatus for generating compressed air
CH34549A
(en )
1906-04-30
Apparatus for receiving consignments and handling receipts
CH30878A
(en )
1905-02-15
Apparatus for generating air gas
CH28656A
(en )
1904-05-31
Apparatus for denicotinizing ready-to-use tobacco products
CH46332A
(en )
1910-02-16
Apparatus for evolving gases
CH68344A
(en )
1915-03-01
Device for the rapid drying of photographic plates by means of heated and moving air
CH35117A
(en )
1906-07-15
Apparatus for displaying speeds
CH28672A
(en )
1904-05-31
Apparatus for evaporating liquids
CH38704A
(en )
1907-11-30
Apparatus for dissolving gases in liquids and for separating gases from liquids
CH21666A
(en )
1901-09-15
Device for cleaning tram rails
CH29569A
(en )
1904-09-15
Apparatus for drying pasta
CH34383A
(en )
1906-04-30
Apparatus for playing string instruments