F22B7/08 - CPC Classification Index

ClassID:

155455 ⎘

F22B7/08 - 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 with auxiliary water tubes inside the furnace tube in longitudinal arrangement

Recent Application in this class:

20240175639

2024-05-30

HEAT PIPE UNIT AND WASTE HEAT RECOVERY BOILER INCLUDING SAME

20160230984

2016-08-11

Burner system employing multiple perforated flame holders, and method of operation