F23L11/00 - CPC Classification Index

ClassID:

157014 ⎘

F23L11/00 - CPC Classification

Classification description:

Arrangements of valves or dampers after the fire

Sub-classes:

F23L11/005 » {for closing the flue during interruption of burner function} 22
F23L11/02 » for reducing draught by admission of air to flues 11

Recent Application in this class:

20200378622

2020-12-03

Gas furnace

20180283685

2018-10-04

Non-return valve for flue gas venting and damper assembly for use therein

20170089575

2017-03-30

Self-powered damper system

20160265768

2016-09-15

Reverse flow prevention apparatus for common exhaust flue and combustion apparatus having same

20160109137

2016-04-21

Low profile damper system for ovens

20160091197

2016-03-31

Fossil-fuel power plant and fossil-fuel power plant operation method

20160018130

2016-01-21

FLUE HAVING AN ADJUSTABLE FLUE GAS FLOW UNIT

20150360174

2015-12-17

Air pollution control system and air pollution control method

20150202571

2015-07-23

Exhaust gas treatment apparatus

#10

20140150770

2014-06-05

Self-powered damper system

#11

20140150399

2014-06-05

Diverter damper

#12

20140086799

2014-03-27

System for collecting carbon dioxide in flue gas

#13

20140086798

2014-03-27

System for collecting carbon dioxide in flue gas

#14

20140041648

2014-02-13

STACK APPARATUS TO CONTROL FURNACE GAS EXIT VELOCITY

#15

20140027660

2014-01-30

LOW LEAKAGE FLUE DAMPER

#16

20130092105

2013-04-18

FLUE HAVING AN ADJUSTABLE FLUE GAS FLOW UNIT

#17

20130078583

2013-03-28

Heat Recycling System for a High-Temperature Exhaust Gas

#18

20120255442

2012-10-11

Air pollution control apparatus and air pollution control method

#19

20120255441

2012-10-11

Air pollution control apparatus and air pollution control method

#20

20120222394

2012-09-06

Air pollution control apparatus and air pollution control method

#21

20120083194

2012-04-05

MECHANICAL DRAFT SYSTEMS

#22

20120028558

2012-02-02

Chimney damper

#23

20110244408

2011-10-06

Heater

#24

20110232622

2011-09-29

Wood fired boiler

#25

20110094496

2011-04-28

Mechanical damper control

#26

20100288957

2010-11-18

SHUT-OFF SYSTEM HAVING A PIVOT FLAP FOR LARGE PIPE CROSS-SECTIONS

#27

20100224064

2010-09-09

Air pollution control apparatus and air pollution control method

#28

20100005722

2010-01-14

System for collecting carbon dioxide in flue gas

#29

20090183693

2009-07-23

High efficiency wood or biomass boiler

#30

20090142720

2009-06-04

Water Heater and a Method of Operating Same

#31

20080314260

2008-12-25

DUAL DAMPER CONTROL APPARATUS AND METHOD

#32

20080245431

2008-10-09

Shut-off system for large conduit cross-sections, having a swing flap

#33

20080223266

2008-09-18

Wood fired boiler

#34

20080035746

2008-02-14

RADIANT HEATING SYSTEM AND METHOD OF CONTROL

#35

20070184395

2007-08-09

Apparatuses and methods for automatically extinguishing a flame