F23J2211/00 - CPC Classification Index

ClassID:

156810 ⎘

F23J2211/00 - CPC Classification

Classification description:

Flue gas duct systems

Sub-classes:

F23J2211/10 » Balanced flues (combining air supply and flue gas exhaust) 5
F23J2211/20 » Common flues for several combustion devices 6
F23J2211/30 » Chimney or flue associated with building ventilation system 1
F23J2211/40 » Chimney with internal flue pipe system 2

Recent Application in this class:

20190099714

Air pollution control system

20180187884

Circulating fluidized bed boiler and a method of assembling a circulating fluidized bed boiler

20160076482

INTEGRATED ELECTRICITY GENERATING DEVICE AND HOT WATER BUFFER TANK