F28D21/0005 - CPC Classification Index

ClassID:

162010 ⎘

F28D21/0005 - CPC Classification

Classification description:

Heat-exchange apparatus not covered by any of the groups - ; Recuperative heat exchangers the heat being recuperated from exhaust gases for domestic or space-heating systems

Sub-classes:

F28D21/0007 » {Water heaters} 90
F28D21/0008 » {Air heaters} 28

Recent Application in this class:

20190056147

2019-02-21

Thin multi-channel heat exchanger

20190032955

2019-01-31

Heating device

20190017753

2019-01-17

Heat exchanger tube

20180274834

2018-09-27

Passive heat recovery or defrosting device using a closed loop heat transfer circuit

20120216788

2012-08-30

Heating device

20120061481

2012-03-15

DEVICE FOR PROVIDING REVERSE HEATING AND METHOD OF REVERSE HEATING