F22B9/00 - CPC Classification Index

ClassID:

155462 ⎘

F22B9/00 - CPC Classification

Classification description:

Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body

Sub-classes:

F22B9/02 » the boiler body being disposed upright, e.g. above the combustion chamber 5
F22B9/10 » the boiler body being disposed substantially horizontally, e.g. at the side of the combustion chamber 9
F22B9/16 » the boiler body containing fire tubes disposed crosswise in inclined upward arrangement 1
F22B9/18 » Component parts thereof; Accessories therefor, e.g. stay-bolt connections 3

Recent Application in this class:

20250207772

2025-06-26

MODULAR PRESSURIZED COAL COMBUSTION PLANT (MCCP) FOR FLEXIBLE GENERATION

20250012462

2025-01-09

Condensing, Ultra-Low NOx Gas-Fired Humidifier

20220404041

2022-12-22

Condensing, ultra-low NOx gas-fired humidifier

20220136694

2022-05-05

Cylindrical burner apparatus and method

20220136693

2022-05-05

CYLINDRICAL BURNER APPARATUS AND METHOD

20220010957

2022-01-13

Cylindrical burner apparatus and method

20210025585

2021-01-28

Modular pressurized coal combustion (MPCC) for flexible generation

20190226699

2019-07-25

Condensing, ultra-low NOx gas-fired humidifier

20190128148

2019-05-02

Method and system for transforming heat into kinetic energy

#10

20180128479

2018-05-10

Method and apparatus for firetube boiler and ultra low NOx burner

#11

20170336067

2017-11-23

Assembly having a number of heat exchangers, and method for evaporating a working medium

#12

20160138796

2016-05-19

Steam diluent generator

#13

20070267171

2007-11-22

Apparatus and process for cooling hot gas

#14

20070204962

2007-09-06

Accelerated flameless evaporation system