Patents-Review.com
ClassID:

156796 ⎘

F23J13/04 - CPC Classification

Classification description:

Fittings for chimneys or flues  Joints; Connections

Recent Application in this class:
#1
20260110431
2026-04-23

EXHAUST PORT MEMBER

 #2
20260085834
2026-03-26

EXHAUST ADAPTER

 #3
20250290630
2025-09-18

JOINT SEAL SYSTEM & METHOD

 #4
20250216073
2025-07-03

Joint Seal System & Method

 #5
20250164113
2025-05-22

Vent Attachment for Tankless Water Heater

 #6
20240288163
2024-08-29

Joint Seal System & Method

 #7
20230204209
2023-06-29

Flue pipe separation sensing apparatus and boiler including the same

 #8
20230194084
2023-06-22

Joint seal system and method

 #9
20230050638
2023-02-16

Tankless water heater connector

 #10
20220412555
2022-12-29

EXHAUST ADAPTER

 #11
20220349576
2022-11-03

Chimney flue heater

 #12
20220178537
2022-06-09

Joint Seal System & Method

 #13
20220120471
2022-04-21

Tankless water heater connector

 #14
20220034507
2022-02-03

Apparatus, methods, and systems for providing a modular tubular exhaust

 #15
20210254829
2021-08-19

Interchangeable seal head system

 #16
20210222912
2021-07-22

Fume exhaust assembly and gas water heater

 #17
20210215338
2021-07-15

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

 #18
20210071908
2021-03-11

Cap and water-heating device including the same

 #19
20200378598
2020-12-03

CROSS COMPATIBLE ADAPTER FOR CHIMNEY SECTIONS WITH COMMON OUTER DIAMETERS

 #20
20200370749
2020-11-26

Cross compatible adapter for chimney sections with different outer diameters

 #21
20200348048
2020-11-05

Oil boiler

 #22
20190309890
2019-10-10

Tension fit insulation

 #23
20190170350
2019-06-06

Joint seal system and method

 #24
20190093888
2019-03-28

Combustion device

 #25
20190017701
2019-01-17

Piping connection unit, air supply or exhaust tube, and combustion apparatus

 #26
20180313548
2018-11-01

Flue vent adapter for multi-poise furnace

 #27
20180195759
2018-07-12

Reverse combustion type combustion apparatus

 #28
20180195720
2018-07-12

Air supply and exhaust adapter for combustion apparatus

 #29
20180119953
2018-05-03

Exhaust connection structure and combustion apparatus with exhaust connection structure

 #30
20180023808
2018-01-25

Generator with vent extension

 #31
20170356646
2017-12-14

Water heater venting assembly

 #32
20170336072
2017-11-23

Modular flue adapter system and method

 #33
20170299176
2017-10-19

Exhaust tube holding member, exhaust structure for combustion apparatus, and method for installing exhaust structure for combustion apparatus

 #34
20170130960
2017-05-11

Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter

 #35
20170115001
2017-04-27

Exhaust structure for combustion apparatus

 #36
20170097115
2017-04-06

Tension fit insulation

 #37
20160265768
2016-09-15

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

 #38
20160116162
2016-04-28

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

 #39
20160053997
2016-02-25

Exhaust structure for water heater

 #40
20160053995
2016-02-25

Method of installing exhaust tube

 #41
20160040875
2016-02-11

Double wall insulated cap

 #42
20160040874
2016-02-11

CHIMNEY CAP LINK

 #43
20160025338
2016-01-28

Exhaust structure for combustion apparatus

 #44
20160003475
2016-01-07

Adapter for a flue gas outlet

 #45
20150369481
2015-12-24

CHIMNEY PIPE, EXHAUST GAS SYSTEM AND METHOD FOR PRODUCING AN EXHAUST GAS SYSTEM HAVING SUCH A CHIMNEY PIPE

 #46
20150061284
2015-03-05

Expansion joint spring clip

 #47
20150056903
2015-02-26

Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter

 #48
20140326353
2014-11-06

Expansion joint in a vertical channel

 #49
20140305421
2014-10-16

Modular flue adapter system and method

 #50
20140209087
2014-07-31

DUAL CATEGORY VENTING SYSTEM

 #51
20130200612
2013-08-08

Compensator for connecting pipes for dust-laden flue gas

 #52
20130139696
2013-06-06

Multi-directional outlet transition and hood

 #53
20130130606
2013-05-23

SWIVEL CONNECTOR FOR CHIMNEY SHIELD AND METHOD OF MAKING THE SAME

 #54
20130091864
2013-04-18

Quick disengaging field joint for exhaust system components of gas turbine engines

 #55
20120272928
2012-11-01

Exhaust adapter and combustion apparatus having the same

 #56
20120138044
2012-06-07

GAS VENT PIPE AND LOCKING SYSTEM

 #57
20110193341
2011-08-11

Securing device of a fluid line connection

 #58
20100319675
2010-12-23

Modular flue adapter system and method

 #59
20100267327
2010-10-21

Retrofitted corrosive resistant venting system

 #60
20100104989
2010-04-29

BURNER ARRANGEMENT

 #61
20080254729
2008-10-16

Chimney lining and venting apparatus for use with emissions from an appliance, and method of assembly

 #62
20080216820
2008-09-11

Modular flue adapter system and method

 #63
20080007055
2008-01-10

Supply and exhaust pipe

 #64
20070257487
2007-11-08

Exhaust system interlocking mechanism

 #65
20070256682
2007-11-08

Gasket-less vent pipe coupling

 #66
20070221195
2007-09-27

Coupling for direct venting system

 #67
20070215140
2007-09-20

Flu supporting system and method of manufacture and application

 #68
20070084036
2007-04-19

END-WISE CONNECTION OF SECOND CHIMNEY COMPONENTS AND METHOD THEREFOR

 #69
20070057509
2007-03-15

Vent lock

 #70
20060205336
2006-09-14

Conduit drain

 #71
20060121841
2006-06-08

Snap-tight chimney liner tee

 #72
20050029805
2005-02-10

End-wise connection of second chimney components and method therefor

 #73
14641782
2016-05-03

Roof-mounted vent pipe covering apparatus, kit, and related methods