ClassID:

158519

F24F2221/225 - CPC Classification

Classification description:

Details or features not otherwise provided for; Cleaning ducts or apparatus using a liquid

Recent Application in this class:
#1
20260154984
2026-06-04

ENTITY IDENTIFICATION USING MACHINE LEARNING

#2
20260104177
2026-04-16

HVAC DRAIN LINE AND PAN CLEANING SYSTEM AND METHOD

#3
20260042127
2026-02-12

APPARATUS AND METHOD FOR OPTIMIZED CONDUIT LINE SANITATION

#4
20260027599
2026-01-29

CLEANER APPARATUS

#5
20250360543
2025-11-27

DRAIN CLEANER APPARATUS

#6
20250251168
2025-08-07

TOOLLESS INSTALLATION AND CLEANING OF VENT ASSEMBLY

#7
20250249490
2025-08-07

CLEANER APPARATUS

#8
20250198649
2025-06-19

VALVE ASSEMBLY FOR AC CONDENSATE LINE

#9
20250129957
2025-04-24

CLEANING ASSEMBLY AND METHOD OF MAKING AND USING THE SAME

#10
20240410613
2024-12-12

Toolless installation and cleaning of vent assembly

#11
20240371193
2024-11-07

ENTITY IDENTIFICATION USING MACHINE LEARNING

#12
20240369239
2024-11-07

HYBRID AIR-CONDITIONING SYSTEM FOR EFFICIENT COOLING AND DEHUMIDIFICATION AND METHOD

#13
20240335866
2024-10-10

DRAIN CLEANER APPARATUS

#14
20240335865
2024-10-10

APPARATUS AND METHOD FOR OPTIMIZED CONDUIT LINE SANITATION

#15
20240139784
2024-05-02

Air conditioning system heat exchanger cleaner apparatus

#16
20240100461
2024-03-28

Method and system for automated cleaning of filter wall for HVAC systems

#17
20240082891
2024-03-14

Drain cleaner apparatus

#18
20240011653
2024-01-11

Air filtration apparatus

#19
20230366587
2023-11-16

Drain cleaner apparatus

#20
20230282020
2023-09-07

Entity identification using machine learning

#21
20230152050
2023-05-18

HVAC exterior cleaning pipework

#22
20230146793
2023-05-11

Drainline Cannon

#23
20230144945
2023-05-11

Drain cleaner apparatus

#24
20230141086
2023-05-11

Drain cleaner apparatus

#25
20230087068
2023-03-23

A METHOD FOR CLEANING AN EVAPORATIVE HUMIDIFIER AND COOLER APPARATUS AND A SYSTEM COMPRISING AN EVAPORATIVE HUMIDIFIER AND COOLER APPARATUS

#26
20230083721
2023-03-16

Instantaneous sterilization system for ventilation and air conditioning

#27
20230003401
2023-01-05

Air flow cooling and humidifying system and cleaning method for an evaporation panel of such a system

#28
20220390133
2022-12-08

CENTRAL AIR CONDITIONING AIR HANDLER DRAIN LINE FLUSH AND SCENT INJECTOR

#29
20220268460
2022-08-25

AIR CONDITIONING SYSTEM

#30
20220011010
2022-01-13

Coil cleaning easy access

#31
20210285667
2021-09-16

Fan assembly for cleanrooms

#32
20210080117
2021-03-18

GREASE DUCT WASHING SYSTEM

#33
20210071904
2021-03-11

Filter structure capable of removing dust

#34
20210071898
2021-03-11

SELF-CLEANING SYSTEM AND METHOD FOR AIR CONDITIONERS

#35
20210041138
2021-02-11

A.C. drain line cleaning nozzle

#36
20200378632
2020-12-03

PRECISION AIR CONDITIONER WITH AN INDIRECT EVAPORATIVE UNIT

#37
20200254495
2020-08-13

Drain line cleaning device and kit

#38
20200254375
2020-08-13

Air intake filter assemblies with actuatable filter slats for heating, ventilation, and/or air conditioning (HVAC) systems

#39
20200149759
2020-05-14

Ventilator

#40
20200049372
2020-02-13

Air-conditioning Drain Sanitation Device and System

#41
20200025469
2020-01-23

Apparatus and method to facilitate collecting fluid from wall-mounted appliances

#42
20190316789
2019-10-17

APPARATUS AND METHOD FOR CLEANING SPLIT SYSTEM AIR CONDITIONERS

#43
20190056124
2019-02-21

Purification structure of heat dissipator

#44
20180313617
2018-11-01

SYSTEM AND METHOD FOR AIR CONDITIONER EVAPORATOR COIL CLEANING

#45
20180272394
2018-09-27

Multi-chamber enclosed supply assembly for independent and simultaneous operations of multiple pressurized or suction driven tools and/or applications of varying solutions

#46
20180259208
2018-09-13

Method for cleaning air conditioner indoor unit and outdoor unit

#47
20180209684
2018-07-26

Apparatus and method for cleaning split system air conditioners

#48
20180112889
2018-04-26

Air-Conditioning Condensate Drain Cleaning Apparatus

#49
20170292802
2017-10-12

Apparatus and associated methods for cleaning HVAC systems

#50
20170276443
2017-09-28

ROTATIONAL SPRAYER CLEANING DEVICE FOR AN AIR CONDITIONER CONDENSING UNIT AND METHOD

#51
20170239697
2017-08-24

Foot operated drain pump

#52
20170197000
2017-07-13

Device for sanitizing air-conditioners

#53
20170191768
2017-07-06

Method and system for cleaning heating, ventilation and air conditioning systems

#54
20170128611
2017-05-11

HVAC fluid dispersant system

#55
20150059868
2015-03-05

Hose attachment device for clearing drain lines

#56
20150052995
2015-02-26

Water level sensor and heat exchanger sterilizing and humidifying apparatus having the same

#57
20130270816
2013-10-17

Air conditioner water pan drain line system

#58
20130186748
2013-07-25

Humidifier

#59
20120260681
2012-10-18

Cooling Plant in Particular for the Processing of Food and a method of Cleaning the Cooling Plant

#60
20120168973
2012-07-05

Water level sensor and heat exchanger sterilizing and humidifying apparatus having the same

#61
20120000233
2012-01-05

Air conditioner water pan drain line system

#62
20110315345
2011-12-29

INDOOR AIR CONDITIONER ABLE TO CARRY OUT WASHING AND CLEANING AUTOMATICALLY

#63
20100075587
2010-03-25

APPARATUS HAVING A CLOSED-OFF WORK CHAMBER WITH IMPROVED CLEANABILITY

#64
20100050664
2010-03-04

METHOD AND SYSTEM FOR MAINTENANCE OF AN AIR-CONDITION UNIT

#65
20100018393
2010-01-28

HUMIDIFICATION EXCHANGER WITH A CLEANING SYSTEM

#66
20090081310
2009-03-26

METHOD FOR REMEDIATING A STRUCTURE CONTAMINATED WITH MOLD

#67
20090071182
2009-03-19

AUTO-CLEANING DEVICE FOR AN INDOOR AIR CONDITIONER

#68
20070125520
2007-06-07

Air conditioner cleaning apparatus and method

#69
20060037330
2006-02-23

Apparatus and method for the disinfection of an air conditioning installation of a stationary air conditioning system for buildings

#70
20050204506
2005-09-22

Air condition plunger device

#71
20050178411
2005-08-18

Cleaning device for kitchen ventilator

#72
18596789
2026-06-02

HVAC/R system contaminant removal solvent having N-propanol and flame suppresion additives, and method for flushing HVAC systems using the solvent

#73
18212842
2024-12-31

Air conditioning system and method comprising an automatic cleaning of a condensate drain pipe

#74
18199936
2024-03-19

Automatic air conditioner drain system sanitizer

#75
18049694
2023-05-23

Air conditioning system heat exchanger cleaner apparatus

#76
17537190
2025-01-28

Air filtration system for datacenter or other building

#77
17096879
2023-09-19

Eco-friendly method for maintaining air conditioners

#78
17008592
2021-01-05

Apparatus for cleaning and remediating environmental air handling apparatus

#79
16679534
2022-12-06

Condensate drain line cleaning system

#80
16372065
2020-09-01

Apparatus and methods for cleaning and remediating environmental air handling apparatus

#81
15829438
2019-12-24

Automatic self-cleaning evaporator drain pan system

#82
15386247
2018-06-26

Dispenser apparatus and method

#83
15160559
2018-01-23

HVAC/R system contaminant removal solvent having N-propanol and flame suppresion additives, and method for flushing HVAC systems using the solvent