Patents-Review.com
ClassID:

156798 ⎘

F23J13/08 - CPC Classification

Classification description:

Fittings for chimneys or flues  Doors or covers specially adapted for smoke-boxes, flues, or chimneys

Recent Application in this class:
#1
20260139833
2026-05-21

Chimney Cover

 #2
20260110442
2026-04-23

ACTIVE VENTING CONTROL SYSTEM

 #3
20260078902
2026-03-19

Adjustable Chimney Shroud

 #4
20260049715
2026-02-19

FLEXIBLE ANTI-BACKFLOW DAMPER FOR A FIREPLACE SYSTEM

 #5
20260009536
2026-01-08

CLEANOUT OPENING FOR CHIMNEYS

 #6
20250354688
2025-11-20

INTAKE DEVICE FOR A CHIMNEY TERMINATION

 #7
20250102140
2025-03-27

COMBUSTION SYSTEM USING OXYGEN AND HYDROGEN

 #8
20240360997
2024-10-31

ROOF PLUMBING VENTS AND METHODS INCLUDING FOR TANKLESS WATER HEATERS WITH CONCENTRIC VENTING

 #9
20240344699
2024-10-17

CHIMNEY DAMPER ASSEMBLY

 #10
20240077229
2024-03-07

PORTABLE WATER HEATER

 #11
20240019130
2024-01-18

ACTIVE VENTING CONTROL SYSTEM

 #12
20230243500
2023-08-03

EXHAUST PLUME CONTROL STRUCTURE AND POWER GENERATING PLANT INCLUDING SAME

 #13
20230027028
2023-01-26

Roof plumbing vents and methods including for tankless water heaters with concentric venting

 #14
20220412555
2022-12-29

EXHAUST ADAPTER

 #15
20220397271
2022-12-15

HINGED CHIMNEY CAP

 #16
20220268441
2022-08-25

Intake device for a chimney termination

 #17
20220204858
2022-06-30

Vent stack lids and associated systems and methods

 #18
20220178536
2022-06-09

Heat Exchange Flue and Heat Exchange Device

 #19
20210088212
2021-03-25

RAIN CAP VENT FLUE ADAPTER

 #20
20200063958
2020-02-27

Rotary adjustable neck for gas vent cap

 #21
20170234536
2017-08-17

COMPACT SMOKE OR AIR DILUTER FOR HIGH-TEMPERATURE FLUE GAS AND CONTAMINATED AIR

 #22
20160265785
2016-09-15

Sealed damper

 #23
20160252247
2016-09-01

Retractable Hideaway Chimney Damper Cap

 #24
20160186993
2016-06-30

Motor-driven chimney draft system

 #25
20160040875
2016-02-11

Double wall insulated cap

 #26
20160040874
2016-02-11

CHIMNEY CAP LINK

 #27
20150361346
2015-12-17

Vent stack lids and associated systems and methods

 #28
20150020459
2015-01-22

Duct access door

 #29
20140087314
2014-03-27

Heat retaining hood assemblies, air curtain destructors with heat retaining hood assemblies, and methods for using the same

 #30
20140020674
2014-01-23

Chimney blocking apparatus

 #31
20130174502
2013-07-11

Adjustable roof jack

 #32
20130122794
2013-05-16

Chimney tee cap retainer assembly

 #33
20130091864
2013-04-18

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

 #34
20120028558
2012-02-02

Chimney damper

 #35
20110312260
2011-12-22

ENERGY PRODUCING CHIMNEY CAP

 #36
20110303669
2011-12-15

Insulating plug for air conditioning sleeves

 #37
20110165524
2011-07-07

Heat retaining hood assemblies, air curtain destructors with heat retaining hood assemblies, and methods for using the same

 #38
20110050434
2011-03-03

Security system for the vent stack of a structure

 #39
20100200792
2010-08-12

RAIN HAT DEVICE FOR HEAVY CONSTRUCTION EQUIPMENT

 #40
20100180509
2010-07-22

In-line access door

 #41
20090223504
2009-09-10

FIREPLACE FLUE SEALING DEVICE

 #42
20090199845
2009-08-13

Folding Flue

 #43
20090029639
2009-01-29

Chimney sealing cap

 #44
20080271411
2008-11-06

CLEAN OUT COVER

 #45
20070298700
2007-12-27

Exhaust gas stack

 #46
20060211357
2006-09-21

Knock down universal chimney cap

 #47
20060211356
2006-09-21

Vent pipe cover

 #48
20060168893
2006-08-03

Door system

 #49
20050250433
2005-11-10

Chimney damper

 #50
20050197055
2005-09-08

Chimney cap

 #51
20050064806
2005-03-24

Chimney cover with extended plinth and deflector