Patents-Review.com
ClassID:

157029 ⎘

F23L17/02 - CPC Classification

Classification description:

Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues Tops for chimneys or ventilating shafts; Terminals for flues

Sub-classes:
Recent Application in this class:
#1
20250341309
2025-11-06

Chimney Sleeve

 #2
20240077229
2024-03-07

PORTABLE WATER HEATER

 #3
20240068662
2024-02-29

Exhaust Vent Soot Guard Device

 #4
20220357050
2022-11-10

Pre-fabricated grease duct system

 #5
20220163202
2022-05-26

Passive and no-loss weather cap for protection of wind induced downdraft in sensitive exhaust system

 #6
20210188539
2021-06-24

Vent assembly

 #7
20210088212
2021-03-25

RAIN CAP VENT FLUE ADAPTER

 #8
20190293301
2019-09-26

Pre-fabricated grease duct system

 #9
20180066857
2018-03-08

Vent

 #10
20180017251
2018-01-18

Passive and no-loss weather cap for protection of wind induced downdraft in sensitive exhaust systems

 #11
20180010793
2018-01-11

Indoor installation type combustion apparatus

 #12
20170328565
2017-11-16

Wind boosted ventilators having openings and compartments

 #13
20160186993
2016-06-30

Motor-driven chimney draft system

 #14
20160123585
2016-05-05

Combined combustion device

 #15
20160053997
2016-02-25

Exhaust structure for water heater

 #16
20160053994
2016-02-25

EXHAUST STRUCTURE FOR COMBUSTION APPARATUS

 #17
20150201632
2015-07-23

Food smoker chimney weather guard

 #18
20140373568
2014-12-25

DIRECT VENTING SYSTEM FOR FREE-STANDING PROPANE POWERED ABSORPTION REFRIGERATOR

 #19
20140256242
2014-09-11

Vent cap for chimney relining system

 #20
20140187135
2014-07-03

Knockdown Multi-Flue Cap

 #21
20130174502
2013-07-11

Adjustable roof jack

 #22
20130130605
2013-05-23

Motor-driven chimney draft system and an impeller for use in the system

 #23
20130045669
2013-02-21

OMNIDIRECTIONAL VENT CAP

 #24
20130011239
2013-01-10

Tubular inline exhaust fan assembly

 #25
20110223848
2011-09-15

Ventilation system

 #26
20110092148
2011-04-21

Wind-powered ventilator that creates positive and negative pressures

 #27
20110092147
2011-04-21

Cover for a chimney

 #28
20110050434
2011-03-03

Security system for the vent stack of a structure

 #29
20100285730
2010-11-11

High velocity nozzle and windband assembly

 #30
20100132320
2010-06-03

Air pollution dry cleaning apparatus

 #31
20090199845
2009-08-13

Folding Flue

 #32
20090088060
2009-04-02

Exhaust flue cap and filter device for a gas fired appliance

 #33
20090042499
2009-02-12

Bernoulli Effect Smoke Draft Vent Assembly

 #34
20090017741
2009-01-15

CHIMNEY CAP WITH REPLACEABLE OR RECYCLABLE CERAMIC CATALYTIC FILTER INSERT

 #35
20080256883
2008-10-23

Appurtenance for building vents

 #36
20080207105
2008-08-28

Chimney termination cap

 #37
20080200108
2008-08-21

High velocity and high dilution exhaust system

 #38
20080160894
2008-07-03

PARTITIONED CHIMNEY CAP AND FIREPLACE VENTING SYSTEM

 #39
20080096480
2008-04-24

Omnidirectional vent cap

 #40
20080026685
2008-01-31

High Wind Bio-Mass Cap

 #41
20070298700
2007-12-27

Exhaust gas stack

 #42
20070261617
2007-11-15

Incinerator with a flue gas guiding mechanism

 #43
20070207718
2007-09-06

HEATED PLUMBING VENT

 #44
20070101689
2007-05-10

Vent protector device for exhaust vents of buildings

 #45
20070026786
2007-02-01

Variable source diameter stack system and method

 #46
20060246833
2006-11-02

Chimney cap apparatus and method

 #47
20060111034
2006-05-25

Omnidirectional vent cap

 #48
20060057950
2006-03-16

Heated plumbing vent

 #49
20050277076
2005-12-15

Venting chassis for a jar candle having a turbine for rotating ornamentation

 #50
20050197055
2005-09-08

Chimney cap

 #51
20050130576
2005-06-16

Method and device to prevent indoor release of carbon monoxide and smoke from combustors

 #52
20050034475
2005-02-17

Venting arrangement for a vehicle refrigerator and related method

 #53
13093561
2018-01-09

Exhaust flue cap and filter device for a gas fired appliance

 #54
12776527
2015-06-16

Chimney cap