F22B7/04 - CPC Classification Index

ClassID:

155453 ⎘

F22B7/04 - CPC Classification

Classification description:

Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body with auxiliary water tubes

Sub-classes:

F22B7/06 » inside the furnace tube in transverse arrangements 0
F22B7/08 » inside the furnace tube in longitudinal arrangement 1
F22B7/10 » outside the boiler body 1

Recent Application in this class:

20250283422

2025-09-11

SODIUM-CHLORINE BOILER

20140245768

2014-09-04

Co-fired absorption system generator