F22B7/16 - CPC Classification Index

ClassID:

155459 ⎘

F22B7/16 - 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 Component parts thereof; Accessories therefor, e.g. stay-bolt connections

Sub-classes:

F22B7/18 » Walling of flues; Flue gas header boxes 3
F22B7/20 » Furnace tubes 1

Recent Application in this class:

20250189119

2025-06-12

HYDROGEN-OXYGEN BUBBLE STEAM BOILER

20190120481

2019-04-25

Method for operating a steam generation system

20130125839

2013-05-23

U-tube vaporizer