F22B9/02 - CPC Classification Index

ClassID:

155463 ⎘

F22B9/02 - CPC Classification

Classification description:

Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body the boiler body being disposed upright, e.g. above the combustion chamber

Sub-classes:

F22B9/04 » the fire tubes being in upright arrangement 9
F22B9/08 » the fire tubes being in horizontal arrangement 8

Recent Application in this class:

20180283681

2018-10-04

Method for operating a heating boiler and heating boiler for carrying out said method (variants)

20150090201

2015-04-02

Condensing heat exchanger and boiler/water heater including the same

20140250888

2014-09-11

Heat exchangers, boilers, and systems incorporating the same

20080271612

2008-11-06

Steam cooker and related superheater

20060065266

2006-03-30

Steam cooker and related superheater