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
12/00
Use of energy recovery systems in air conditioning, ventilation or screening
Load children Filter patents View analytics View as hierarchy
F24F12/001
with heat-exchange between supplied and exhausted air
Load children Filter patents View analytics View as hierarchy
F24F2012/008
cyclic routing supply and exhaust air
Filter patents View analytics View as hierarchy