Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F24
HEATING; RANGES; VENTILATING
Load children
F24F
AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
Load children
3/00
Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
Load children Filter patents View analytics View as hierarchy
F24F2003/003
with primary air treatment in the central station and subsequent secondary air treatment in air treatment units located in or near the rooms
Load children Filter patents View analytics View as hierarchy