F23L13/08 - CPC Classification Index

ClassID:

157021 ⎘

F23L13/08 - CPC Classification

Classification description:

Construction of valves or dampers for controlling air supply or draught operating as a roller blind; operating as a venetian blind

Recent Application in this class:

20170198910

Damper system for heater stack

20080314260

DUAL DAMPER CONTROL APPARATUS AND METHOD

20070184395

Apparatuses and methods for automatically extinguishing a flame

20060183068

Combustion system with high turn down ratio