F22B21/36 - CPC Classification Index

ClassID:

155539 ⎘

F22B21/36 - CPC Classification

Classification description:

Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers involving an upper drum or headers mounted at the top of the combustion chamber

Sub-classes:

F22B21/363 » {involving a horizontal drum mounted in an upper corner of the boiler} 0
F22B21/366 » {involving a horizontal drum mounted in the middle of the boiler} 2

Recent Application in this class:

20190331335

2019-10-31

Solid fuel burning-furnace having a vertically mounted cylindrical combustion chamber

20170234526

2017-08-17

Solid fuel burning-furnace having a vertically mounted cylindrical combustion chamber

20160195260

2016-07-07

Power boiler having vertically mounted cylindrical combustion chamber

20120240868

2012-09-27

Boiler