F22B21/002 - CPC Classification Index

ClassID:

155505 ⎘

F22B21/002 - 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 involving a single upper drum

Recent Application in this class:

20200096191

2020-03-26

Vapour and liquid drum for a shell-and-tube heat exchanger

20190093878

2019-03-28

Waste heat recovery boiler in producing glass beads

20190078773

2019-03-14

Arrangement of heat recovery surfaces of a recovery boiler

20180313531

2018-11-01

Heat recovery surfaces arrangement in a recovery boiler

20100236501

2010-09-23

REHEAT BOILER AND GAS TEMPERATURE CONTROLLING METHOD OF REHEAT BOILER

20100192876

2010-08-05

BOILER AND METHOD FOR ADJUSTING TEMPERATURE OF STEAM OUTPUT FROM BOILER

20070266962

2007-11-22

Natural circulation industrial boiler for steam assisted gravity drainage (SAGD) process

20060144348

2006-07-06

Heat recovery steam generator

15832034

2019-08-13

Segmented watertube boiler system