F22D1/04 - CPC Classification Index

ClassID:

155744 ⎘

F22D1/04 - CPC Classification

Classification description:

Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having plain outer surfaces, e.g. in vertical arrangement

Sub-classes:

F22D1/06 » in horizontal arrangement 6

Recent Application in this class:

20150107537

2015-04-23

Recovery system of waste heat from flue gas

20130104815

2013-05-02

ECONOMIZER

20090050079

2009-02-26

Economizer for a steam generator