ClassID:

156822

F23J2213/203 - CPC Classification

Classification description:

Chimneys or flues; Joints; Connections between stack/duct and combustion apparatus

Recent Application in this class:
#1
20260085834
2026-03-26

EXHAUST ADAPTER

#2
20230204209
2023-06-29

Flue pipe separation sensing apparatus and boiler including the same

#3
20220412555
2022-12-29

EXHAUST ADAPTER

#4
20220298953
2022-09-22

Device for safely re-directing carbon monoxide exhaust from generators

#5
20210215338
2021-07-15

Burner cover insulation device for a boiler and method for manufacturing such a device

#6
20190128517
2019-05-02

Adjustable Capacity Gas Incinerator

#7
20180195720
2018-07-12

Air supply and exhaust adapter for combustion apparatus

#8
20180119953
2018-05-03

Exhaust connection structure and combustion apparatus with exhaust connection structure

#9
20180023808
2018-01-25

Generator with vent extension

#10
20170336072
2017-11-23

Modular flue adapter system and method

#11
20160116162
2016-04-28

Burner cover insulation device for a boiler and method for manufacturing such a device

#12
20160053997
2016-02-25

Exhaust structure for water heater

#13
20150316258
2015-11-05

Portable, free-standing exhaust system

#14
20140305421
2014-10-16

Modular flue adapter system and method

#15
20130130606
2013-05-23

SWIVEL CONNECTOR FOR CHIMNEY SHIELD AND METHOD OF MAKING THE SAME

#16
20120272928
2012-11-01

Exhaust adapter and combustion apparatus having the same

#17
20120031392
2012-02-09

Heating apparatus with fan

#18
20110030561
2011-02-10

Flare stack adapted to heat incoming fuel

#19
20100319675
2010-12-23

Modular flue adapter system and method

#20
20100267327
2010-10-21

Retrofitted corrosive resistant venting system

#21
20100163017
2010-07-01

STOVES

#22
20100101505
2010-04-29

Transition element for a passage in a water heater

#23
20090029303
2009-01-29

Flare stack adapted to heat incoming fuel

#24
20080216820
2008-09-11

Modular flue adapter system and method

#25
20070075468
2007-04-05

Cooling exhaust gases from smelting furnace

#26
20060231086
2006-10-19

Distribution tee assembly

#27
20050205079
2005-09-22

Solid fuel burning furnace having a burn control stack

#28
20050034475
2005-02-17

Venting arrangement for a vehicle refrigerator and related method