CH26430A
(en )
1903-08-31
Device for people in closed rooms to enable open air breathing
CH26346A
(en )
1903-08-31
Device for promoting temperature- and pressure-equalizing flows of air or gases in more or less closed rooms
CH34582A
(en )
1906-05-15
Device for introducing a mixture of fresh air and water dust into closed rooms
CH32761A
(en )
1905-09-15
Device for ventilation of the wooden floors in closed rooms
CH43261A
(en )
1909-04-16
Device for introducing a mixture of fresh air and water dust into closed rooms
CH44950A
(en )
1909-10-01
Device for introducing humidified air into rooms
CH26378A
(en )
1903-08-31
Device for smoothing facial wrinkles and improving the shape of the face disfigured by age
CH8135A
(en )
1894-08-31
Device for generating fir air in living rooms for lung patients
FR356619A
(en )
1905-12-05
Device used to moisten, temper and purify the air in closed rooms
FR321963A
(en )
1903-01-23
Device for breathing fresh air for people in closed spaces
CH65078A
(en )
1914-05-16
Facility for conservation, respectively. Increasing the moisture content of the air in closed rooms
FR8599E
(en )
1908-05-01
Device used to moisten, temper and purify the air in closed rooms
CH25334A
(en )
1903-04-30
Air compressor with device for humidifying the sucked air and for precipitating the water vapor developed by the compression
CH44948A
(en )
1909-10-01
Device for cooling, humidifying and purifying air
CH33930A
(en )
1906-02-15
Device for measuring relative changes in position of moving organs
CH26207A
(en )
1903-08-15
Device for bringing about pressure equalization in chimney drafts
CH27333A
(en )
1903-12-31
Device to secure against burglary
FR355198A
(en )
1905-10-25
Portable breathing apparatus
CH30466A
(en )
1904-12-31
Air gas apparatus with suction device
CH30730A
(en )
1905-01-31
Device for producing carburized air
CH26121A
(en )
1903-07-31
Device for the production of luminous and heating gas
FR348432A
(en )
1905-04-12
Curtain-blind cooler and air purifier
CH27184A
(en )
1903-12-15
Device for testing the luminous gas for hydrogen sulfide content
AT67995B
(en )
1915-02-25
Device for cooling the air in closed rooms.
CH43400A
(en )
1909-05-01
Device for automatic display of the presence of gas in rooms inhabited by humans or animals