CH47416A
(en )
1910-07-01
Device for cleaning air filled with dust
CH46583A
(en )
1910-03-16
Device for cleaning liquids
CH47925A
(en )
1910-08-16
Device for serving food
CH47647A
(en )
1910-07-16
Device for cleaning floors
CH42297A
(en )
1909-01-16
Brush with device for vacuuming dust
CH79180A
(en )
1918-10-16
Device for cleaning rooms, objects and liquids using ozonated air
FR423410A
(en )
1911-04-18
Suction cleaning device
CH50408A
(en )
1911-05-16
Device for the transport of gases
CH56536A
(en )
1912-11-01
Device for cleaning the smoke emerging from the chimneys of soot and dust
CH44950A
(en )
1909-10-01
Device for introducing humidified air into rooms
CH47417A
(en )
1910-07-01
Device for cleaning the air flow in vacuum cleaning systems
CH46793A
(en )
1910-04-16
Device for dust-free rubbish removal
CH68829A
(en )
1915-05-01
Device for conveying air
CH56873A
(en )
1912-12-02
Drop disc with holding device
FR398288A
(en )
1909-06-01
Helicopter device for air navigation
CH34506A
(en )
1906-04-30
Liquid atomizer with device for moving the humidified air
CH49046A
(en )
1911-01-02
Stick handle with lighting device
CH63552A
(en )
1914-02-02
Device for vacuuming and collecting dust
FR400762A
(en )
1909-08-07
Air carrier
CH37258A
(en )
1907-05-31
Device for separating the components of liquid air
CH51046A
(en )
1911-07-17
Flying device
CH54277A
(en )
1912-05-17
Device for cleaning pipelines
FR406698A
(en )
1910-02-05
Bottle improvement
FR401618A
(en )
1909-09-06
Unloading device
CH49685A
(en )
1911-03-01
Lighting apparatus