Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
F22B 25/00

Water-tube boilers built-up from sets of water tubes with internally-arranged flue tubes, or fire tubes, extending through the water tubes

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
STEAM GENERATION
Subclass:
METHODS OF STEAM GENERATION; STEAM BOILERS