Patents-Review.com
ClassID:

156884 ⎘

F23J2900/13004 - CPC Classification

Classification description:

Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes Water draining devices associated with flues

Recent Application in this class:
#1
20230213188
2023-07-06

FLUE SYSTEMS FOR FUEL BURNING DEVICES

 #2
20210222912
2021-07-22

Fume exhaust assembly and gas water heater

 #3
20210101192
2021-04-08

MATERIAL RECYCLING APPARTUS

 #4
20200166147
2020-05-28

NONRETURN VALVE

 #5
20180283685
2018-10-04

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

 #6
20150276219
2015-10-01

Method and apparatus for extraction and recovery of water-soluble volatile gas, water vapor and waste heat from stack gas

 #7
20150099202
2015-04-09

Power generation system

 #8
20120272928
2012-11-01

Exhaust adapter and combustion apparatus having the same

 #9
20120138163
2012-06-07

Exhaust passage component

 #10
20120103279
2012-05-03

METHOD AND APPARATUS FOR DRAINING CONDENSATE FROM A GAS WATER HEATER EXHAUST SYSTEM

 #11
20110256488
2011-10-20

Method and apparatus for extraction and recovery of water-soluble volatile gas, water vapor and waste heat from stack gas

 #12
20110079308
2011-04-07

Drain for exhaust gas duct

 #13
20100267327
2010-10-21

Retrofitted corrosive resistant venting system

 #14
20090272340
2009-11-05

Flue, and a boiler including such a flue

 #15
20090235916
2009-09-24

NON-RETURN VALVE FOR AN EXHAUST DUCT OF FLUE GASSES

 #16
20090088060
2009-04-02

Exhaust flue cap and filter device for a gas fired appliance

 #17
20080072892
2008-03-27

CATCH FOR CONDENSATES

 #18
20070044791
2007-03-01

Method and arrangement for controlling the draft effect of a flue duct upon an upstream exhaust gas cleaning system

 #19
20060205336
2006-09-14

Conduit drain

 #20
20060157232
2006-07-20

Burner port shield

 #21
20050155535
2005-07-21

Method and components for draining and trapping