FI3694A
(en )
1909-06-08
Braking valve for air conditioning and air conditioning equipment for air conditioning
GB191316797A
(en )
1914-06-18
Improvements in and relating to Ventilating Apparatus.
CH53383A
(en )
1912-02-16
Process for ventilating, heating or cooling rooms and for humidifying the air they contain
GB190929054A
(en )
1910-06-16
Improvements in Wall Ventilators or Air Extractors.
DK23136C
(en )
1918-06-10
Fan for Koøjer.
CH48805A
(en )
1910-12-01
Air humidifier
CH41869A
(en )
1908-12-01
Air humidifier with ventilation device
CH42826A
(en )
1909-03-01
Air humidifier with ventilation device
CH75202A
(en )
1917-06-16
Air valve for air hoses and the like
CH64631A
(en )
1914-04-16
Air humidifier
CH39913A
(en )
1908-05-01
Turbine-driven fan for suction gas systems
DK18738C
(en )
1914-04-27
Rotary Air Compressor.
NL811C
(en )
1915-09-15
Multi-blade fans, impellers and similar rotating blowers
AT71082B
(en )
1916-02-10
Wind guide for turbo compressors and turbo blowers.
AT63692B
(en )
1914-02-25
Ventilation device for supplying fresh air and extracting used air.
CA122770A
(en )
1909-12-21
Ventilating fan
CH59607A
(en )
1913-06-02
Air humidifier
CH61149A
(en )
1913-09-01
Air humidifier
GB191001513A
(en )
1910-07-14
Air Compressor.
FI3822A
(en )
1909-09-23
Air flow drying and disinfection system
FI5812A
(en )
1914-07-09
Ventilation valve improvement
CA156796A
(en )
1914-07-14
Ventilating fan
CH45375A
(en )
1909-11-01
Fan with double blades
CH75667A
(en )
1917-09-01
Humidifiers for envelopes and the like
GB105096A
(en )
1917-03-27
Apparatus for Treating Chaff and other Loosely Aggregated Materials with Steam, Air, or other Gases.