ClassID:

140930

F02M35/024 - CPC Classification

Classification description:

Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines; Air cleaners using filters, e.g. moistened

Sub-classes:
Recent Application in this class:
#1
20260110283
2026-04-23

Air Intake System Having a Detachable Cover and Window for Viewing and Replacing an Automotive Air Filter

#2
20260078726
2026-03-19

FILTER OIL FORMULATION

#3
20250389240
2025-12-25

Turbo-Boost Controlled Intake System

#4
20250243832
2025-07-31

AIR CLEANER

#5
20250172100
2025-05-29

THROTTLE CONTROLLED INTAKE SYSTEM

#6
20250161853
2025-05-22

AIR CLEANER ASSEMBLIES AND METHODS OF USE

#7
20250137423
2025-05-01

Air Intake System Having a Detachable Window for Viewing the Air Filter

#8
20250121310
2025-04-17

Compound Air Filter

#9
20250116248
2025-04-10

ELECTRONIC FILTER DETECTION FEATURE FOR LIQUID FILTRATION SYSTEMS

#10
20250115117
2025-04-10

UTILITY VEHICLE

#11
20250109727
2025-04-03

VEHICLE

#12
20250067235
2025-02-27

Mass Airflow Sensor And Hydrocarbon Trap Combination

#13
20250065709
2025-02-27

Automotive Snorkel Incorporating an Air Filtration System

#14
20250025821
2025-01-23

SELF-CLEANING AIR FILTRATION APPARATUS AND METHOD

#15
20240391359
2024-11-28

VEHICLE

#16
20240309834
2024-09-19

Turbo-Boost Controlled Intake System

#17
20240287927
2024-08-29

Method and device for operating an internal combustion engine

#18
20240209818
2024-06-27

FILTER OIL FORMULATION

#19
20240183328
2024-06-06

SYSTEM AND METHOD FOR FILTERING INTAKE AIR OF A CHAINSAW

#20
20240151195
2024-05-09

Internal combustion engine

#21
20240141854
2024-05-02

AIR CLEANERS AND AIR DISINFECTORS FOR MASS TRANSIT VEHICLES

#22
20240102415
2024-03-28

Forced induction system and method of forced induction for an internal combustion engine

#23
20240091695
2024-03-21

Air filter arrangement; assembly; and, methods

#24
20230417200
2023-12-28

Throttle controlled intake system

#25
20230390682
2023-12-07

Air cleaner assemblies and methods of use

#26
20230383713
2023-11-30

Oxidizer and fuel supply system for internal combustion engines

#27
20230366368
2023-11-16

Filter Oil Formulation

#28
20230358193
2023-11-09

Electronic filter detection feature for liquid filtration systems

#29
20230296068
2023-09-21

Generator enclosure air intake with damper

#30
20230182063
2023-06-15

AIR FILTERING APPARATUS

#31
20230167790
2023-06-01

Turbo-boost controlled intake system

#32
20230110960
2023-04-13

Mass airflow sensor and hydrocarbon trap combination

#33
20220410059
2022-12-29

Self-cleaning air filtration apparatus and method

#34
20220410058
2022-12-29

Self-cleaning air filtration apparatus and method

#35
20220372939
2022-11-24

Filter Oil Formulation

#36
20220316579
2022-10-06

Air intake system for an off-road vehicle

#37
20220260031
2022-08-18

Systems and methods for engine air filter system diagnostics

#38
20220243689
2022-08-04

AIR BOX WITH INTEGRATED FILTER MEDIA

#39
20220228544
2022-07-21

Induction system including a hydrocarbon trap

#40
20220176299
2022-06-09

Air filter arrangement; assembly; and, methods

#41
20220136471
2022-05-05

Electronic filter detection feature for liquid filtration systems

#42
20220126232
2022-04-28

Filter element for mounting in an air cleaner housing of a vehicle

#43
20220120245
2022-04-21

Method and system for a vehicle evaporative emissions control system

#44
20220118394
2022-04-21

Air filter arrangement; assembly; and, methods

#45
20220105795
2022-04-07

Utility vehicle

#46
20220096986
2022-03-31

Filtration device having a latch mechanism adapter

#47
20220090568
2022-03-24

Engine intake structure

#48
20220074359
2022-03-10

Throttle controlled intake system

#49
20220024354
2022-01-27

Vehicle

#50
20210404426
2021-12-30

Air intake system for a vehicle

#51
20210404425
2021-12-30

Vehicle air induction assembly

#52
20210402871
2021-12-30

Vehicle air induction assembly

#53
20210331580
2021-10-28

Utility vehicle

#54
20210246853
2021-08-12

Air supply arrangement for supplying air to an internal combustion engine

#55
20210207517
2021-07-08

Aspiration systems for work vehicles including exhaust tubes having airflow area modifiers

#56
20210199079
2021-07-01

Electronic filter detection feature for liquid filtration systems

#57
20210178300
2021-06-17

High speed rotating crankcase ventilation filter media and media pack

#58
20210172409
2021-06-10

Filter and filter cartridge

#59
20210147097
2021-05-20

Control system for controlling a shut-off valve of an aircraft, an aircraft equipped with such a control system, and an associated control method

#60
20210123388
2021-04-29

Intake oxygen concentration control system suitable for engine with lean NOx trapping technology

#61
20210088013
2021-03-25

Engine air flow estimation

#62
20210086121
2021-03-25

Air cleaner assemblies and methods of use

#63
20210062707
2021-03-04

Fan housing for a vehicle system

#64
20210061088
2021-03-04

Utility vehicle

#65
20210054811
2021-02-25

Engine air cleaner with integrated compressor suppressor

#66
20210040923
2021-02-11

AIR FILTER CLEANING WAND

#67
20210033049
2021-02-04

Precleaner for internal combustion engine

#68
20210025357
2021-01-28

Turbo-boost controlled intake system

#69
20210025343
2021-01-28

Throttle controlled intake system

#70
20210003105
2021-01-07

Hybrid vehicle

#71
20210003104
2021-01-07

Pipe component

#72
20210001258
2021-01-07

Filter media pack with porous wrapper

#73
20200408179
2020-12-31

Straddled vehicle

#74
20200391150
2020-12-17

Pulse air cleaner system and methods with controlled scavenge

#75
20200391149
2020-12-17

Air filter assembly

#76
20200385138
2020-12-10

Aircraft power plant

#77
20200376501
2020-12-03

Variable inertial particle separator

#78
20200368664
2020-11-26

Air filter including a scavenging system

#79
20200355137
2020-11-12

Molded air intake system and method for internal combustion engines

#80
20200340434
2020-10-29

Vehicle air cleaner

#81
20200332748
2020-10-22

Air intake system for off road vehicle

#82
20200318585
2020-10-08

INERTIAL PRECLEANER WITH VARIABLE ASPIRATION FLOWRATE CONTROL VIA AMBIENT DUST CONCENTRATION SENSOR INPUT

#83
20200318584
2020-10-08

Air intake screen debris sensing

#84
20200316511
2020-10-08

Compound air filter and method of removal of contaminants

#85
20200300159
2020-09-24

Closed cycle combustion system for endothermic engines

#86
20200248659
2020-08-06

AIR CLEANER FOR VEHICLE

#87
20200240375
2020-07-30

Vehicle intake air heater

#88
20200240372
2020-07-30

DUAL STAGE AIR FILTER SYSTEM

#89
20200232426
2020-07-23

AIR CLEANER FOR VEHICLE

#90
20200232425
2020-07-23

Air cleaner for vehicle

#91
20200222846
2020-07-16

Seal arrangement for filter element; filter element assembly; and, methods

#92
20200217283
2020-07-09

Mass airflow sensor and hydrocarbon trap combination

#93
20200208731
2020-07-02

Vehicle

#94
20200206664
2020-07-02

Intake bypass flow management systems and methods

#95
20200191102
2020-06-18

Hydrocarbon adsorber on high-frequency resonator

#96
20200182205
2020-06-11

Induction system including a hydrocarbon trap

#97
20200179862
2020-06-11

Air filter arrangement; assembly; and, methods

#98
20200173383
2020-06-04

Evaporation gas active purge system and active purge method

#99
20200158060
2020-05-21

Saddle riding vehicle

#100
20200149448
2020-05-14

Air-oil separator

#101
20200122076
2020-04-23

Air cleaner having built-in valve and intake system thereof

#102
20200114296
2020-04-16

Air filter arrangement; assembly; and, methods

#103
20200080523
2020-03-12

Air intake system for a vehicle

#104
20200079459
2020-03-12

Vehicle having separable driver and propulsion modules

#105
20200072171
2020-03-05

Structure for suctioning back blow-back fuel

#106
20200072140
2020-03-05

Electrically controlled pneumatic surge prevention device and control method

#107
20190358575
2019-11-28

Seal arrangement for filter element; filter element assembly; and, methods

#108
20190353123
2019-11-21

Filter and filter cartridge

#109
20190353122
2019-11-21

Filter and filter cartridge

#110
20190345904
2019-11-14

Air suction device for a vehicle equipped with an internal combustion engine

#111
20190308124
2019-10-10

Air filter element, in particular for gas filtration

#112
20190301409
2019-10-03

Air box with integrated filter media

#113
20190293034
2019-09-26

Filter and filter cartridge

#114
20190293032
2019-09-26

Intake device

#115
20190285018
2019-09-19

System and method for intake air filter diagnostic

#116
20190262753
2019-08-29

Electric machine tool

#117
20190257276
2019-08-22

Aspiration system for a work vehicle

#118
20190249625
2019-08-15

CONCENTRATED OXYGEN SUPPLIED ENGINE SYSTEM

#119
20190248227
2019-08-15

Utility vehicle

#120
20190242336
2019-08-08

Intake device for saddle riding vehicle

#121
20190234356
2019-08-01

Calibration-free mass airflow sensor

#122
20190234265
2019-08-01

GASOLINE PARTICULATE FILTER ON-BOARD DIAGNOSTIC TECHNIQUES USING OXYGEN SENSOR HEATER

#123
20190203675
2019-07-04

Filter oil formulation

#124
20190186447
2019-06-20

Air cleaner assembly of vehicle having supporting members

#125
20190178190
2019-06-13

Methods and systems for intake air filter diagnostics

#126
20190176075
2019-06-13

Air intake system for engines

#127
20190170093
2019-06-06

Air filter cleaning wand

#128
20190168149
2019-06-06

Housing and filter system having a housing

#129
20190120366
2019-04-25

Air intake system for an off-road vehicle

#130
20190120157
2019-04-25

Electronic filter detection feature for liquid filtration systems

#131
20190107087
2019-04-11

Internal combustion engine pipe and internal combustion engine

#132
20190104680
2019-04-11

Airflow for an agricultural harvesting combine

#133
20190085799
2019-03-21

INTAKE SYSTEM OF INTERNAL COMBUSTION ENGINE

#134
20190078679
2019-03-14

Air intake system for an off-road vehicle

#135
20180353882
2018-12-13

High speed rotating crankcase ventilation filter media and media pack

#136
20180347525
2018-12-06

Straddled vehicle

#137
20180347523
2018-12-06

Air cleaner

#138
20180345196
2018-12-06

Air cleaner assemblies and methods of use

#139
20180333668
2018-11-22

Filter media pack with porous wrapper

#140
20180320644
2018-11-08

Air filter device for a motor vehicle

#141
20180266354
2018-09-20

Method and system for monitoring air filter condition

#142
20180222311
2018-08-09

Cooling system for a turbocharger and nearby components

#143
20180204393
2018-07-19

Method for monitoring component life

#144
20180202398
2018-07-19

Method for monitoring component life

#145
20180202397
2018-07-19

Intake apparatus and dump truck

#146
20180178677
2018-06-28

Vehicle

#147
20180171948
2018-06-21

Mass airflow sensor and hydrocarbon trap combination

#148
20180149121
2018-05-31

Condensate dispersion assembly

#149
20180142650
2018-05-24

Air filter with fluted media and stand-alone preform shell

#150
20180128218
2018-05-10

Air cleaner for internal combustion engine

#151
20180112634
2018-04-26

Ejector Integrally Formed with an Intake Air Component and a Method to Manufacture

#152
20180106225
2018-04-19

Auxiliary power unit inlet assembly with particle separator

#153
20180100474
2018-04-12

Air intake structure for a motorcycle engine

#154
20180099242
2018-04-12

Air filter arrangement; assembly; and, methods

#155
20180094613
2018-04-05

Filter system with an insulating body, insulating body, and method for manufacturing an insulating body

#156
20180080419
2018-03-22

Air box assembly for an outdoor power tool

#157
20180066615
2018-03-08

Motor vehicle having an air intake system for improved travel through water

#158
20180050754
2018-02-22

MOTORCYCLE AND VEHICLE SYSTEMS

#159
20180030938
2018-02-01

Air duct system

#160
20180028953
2018-02-01

Pre-air-filter for internal combustion engine

#161
20180023523
2018-01-25

Secondary system and method for controlling an engine

#162
20180015406
2018-01-18

Seal arrangement for filter element; filter element assembly; and, methods

#163
20180009305
2018-01-11

Dual engine agricultural harvesting combine

#164
20180007830
2018-01-11

Airflow for an agricultural harvesting combine

#165
20170368490
2017-12-28

COMPOUND AIR FILTERS AND METHODS THEREOF

#166
20170368488
2017-12-28

Compound air filter and method of removing airborne molecular contaminants and volatile organic compounds therefrom

#167
20170356403
2017-12-14

Engine and intake system thereof

#168
20170314483
2017-11-02

Device and method for predicting the exhaust gas recirculation rate

#169
20170306900
2017-10-26

AIR FILTER DEVICE FOR FILTERING THE INTAKE AIR OF A COMBUSTION ENGINE, IN PARTICULAR FOR A HAND-HELD SMALL TOOL

#170
20170276101
2017-09-28

System and method for aspirating a pre-cleaner of a work vehicle using a double-walled flow pipe

#171
20170276097
2017-09-28

FUEL REFORMER FOR VEHICLE ENGINE

#172
20170268461
2017-09-21

Fuel supply apparatus including a pressure reduction pump for general purpose engine

#173
20170266598
2017-09-21

Air cleaner; replaceable filter cartridges; and, methods

#174
20170247263
2017-08-31

Cleaning module, filter element and filter system

#175
20170216748
2017-08-03

Filter Element, in Particular for Gas Filtration

#176
20170211526
2017-07-27

Air cleaner for internal combustion engine

#177
20170211498
2017-07-27

Methods and systems for determining and reporting a remaining useful life of an air filter

#178
20170203241
2017-07-20

Intake bypass flow management systems and methods

#179
20170191452
2017-07-06

Drawer type air cleaner having increased maintenance convenience, and intake system and vehicle having the same

#180
20170165863
2017-06-15

Hand-guided power tool with a control device

#181
20170159600
2017-06-08

General purpose engine

#182
20170152821
2017-06-01

Saddle vehicle

#183
20170151525
2017-06-01

NON-INVASIVE PNEUMATIC FILTER CLEANING APPARATUS AND METHOD

#184
20170138322
2017-05-18

Air cleaner for vehicle

#185
20170129562
2017-05-11

Vehicle

#186
20170114758
2017-04-27

POSITIONING AN ACTIVATED CARBON FILTER IN AN ARRANGEMENT FOR ITS REGENERATION

#187
20170114716
2017-04-27

Evaluation of the delivery and effectiveness of engine performance chemicals and products

#188
20170106328
2017-04-20

Hydrocarbon separation system

#189
20170101969
2017-04-13

Heat shielding structure for intake system for engine of motorcycle

#190
20170096973
2017-04-06

Filter and filter cartridge

#191
20170096971
2017-04-06

Filter and filter cartridge

#192
20170089307
2017-03-30

Air intake duct for motorcycle

#193
20170050139
2017-02-23

Seal arrangement for filter element; filter element assembly; and, methods

#194
20170037820
2017-02-09

Vehicle with air cleaner

#195
20170037818
2017-02-09

Air filter cleaning wand

#196
20170037793
2017-02-09

Apparatus and method for using negative pressure energy of engine

#197
20170036155
2017-02-09

Air filter system and air filter element for an air filter system

#198
20170030301
2017-02-02

Check valve device and vapor fuel supply system

#199
20170028340
2017-02-02

Air filter arrangement; assembly; and methods

#200
20160377035
2016-12-29

Air cleaner for stratified scavenging two-stroke internal combustion engine

#201
20160369754
2016-12-22

Intake device with formally integrated air guide intake duct

#202
20160355081
2016-12-08

Hybrid drive system for a motor vehicle, and method of operating a motor vehicle

#203
20160348618
2016-12-01

Intake Air Sensor and Sensing Method for Determining Air Filter Performance, Barometric Pressure, and Manifold Pressure of a Combustion Engine

#204
20160319783
2016-11-03

Dual path cool air inlet system

#205
20160319781
2016-11-03

Air cleaner filter assembly for motor vehicles operating in extreme weather conditions

#206
20160305378
2016-10-20

Cold air intake circulating air jacket

#207
20160279553
2016-09-29

Air filter and filter element of an air filter

#208
20160273471
2016-09-22

Electronic filter detection feature for liquid filtration systems

#209
20160265491
2016-09-15

POWER WORKING MACHINE

#210
20160265421
2016-09-15

TURBOCHARGER SYSTEM

#211
20160258355
2016-09-08

High frequency silencer for an air induction system

#212
20160250918
2016-09-01

Work vehicle

#213
20160230714
2016-08-11

Filter element and filter system

#214
20160222928
2016-08-04

A MOTOR VEHICLE

#215
20160222926
2016-08-04

Air filter

#216
20160186703
2016-06-30

Intake system of vehicle

#217
20160186702
2016-06-30

Fresh air system

#218
20160177893
2016-06-23

Apparatus for air precleaner and precleaner

#219
20160177892
2016-06-23

Valve for regeneration in turbocharger operation

#220
20160177889
2016-06-23

Air cleaner hose

#221
20160176284
2016-06-23

Utility vehicle

#222
20160146165
2016-05-26

AIR INTAKE ARRANGEMENT FOR ENGINE AND METHODS

#223
20160138503
2016-05-19

DEVICE AND METHOD FOR CONTROLLING ENGINE RPM FOR CONSTRUCTION MACHINERY

#224
20160097661
2016-04-07

Flow rate measurement device

#225
20160097352
2016-04-07

Oil removal apparatus

#226
20160076494
2016-03-17

Motorcycle

#227
20160059171
2016-03-03

Air filtration cartridges having air flow rectification and methods of making air filtration cartridges having air flow rectification

#228
20160032874
2016-02-04

DIESEL PARTICULATE FILTER (DPF)

#229
20160032562
2016-02-04

Wheel loader

#230
20160018288
2016-01-21

System for detecting an air filter condition, in particular for combustion engine

#231
20150377192
2015-12-31

EXHAUST EJECTOR TUBE FOR ENGINE SYSTEM

#232
20150377190
2015-12-31

MOTOR VEHICLE AND AIR FILTER BOX

#233
20150375614
2015-12-31

Vehicle with air cleaner

#234
20150361932
2015-12-17

Engine for outdoor power equipment unit

#235
20150345440
2015-12-03

Intake noise reduction device and straddle-type vehicle including the same

#236
20150343364
2015-12-03

Seal arrangement for filter element; filter element assembly; and, methods

#237
20150337778
2015-11-26

Filter device

#238
20150316009
2015-11-05

Filter element

#239
20150314227
2015-11-05

Filter oil formulation

#240
20150275831
2015-10-01

Air Intake System for a Work Vehicle

#241
20150267655
2015-09-24

Intake module of an air intake tract of an internal combustion engine

#242
20150233327
2015-08-20

Air box with integrated filter media

#243
20150204234
2015-07-23

Fresh air supply device

#244
20150196864
2015-07-16

Air filter arrangement; assembly; and, methods

#245
20150192097
2015-07-09

Fuel supply structure in vehicle engine

#246
20150159599
2015-06-11

Air filtration system for an engine

#247
20150136501
2015-05-21

Construction machine including air cleaner

#248
20150101344
2015-04-16

Systems and Methods for Bypassing a Coalescer in a Gas Turbine Inlet

#249
20150101294
2015-04-16

Air filter arrangement; assembly; and, methods

#250
20150089910
2015-04-02

Air filter

#251
20150075127
2015-03-19

Air filter device, particularly for a motor vehicle

#252
20150059584
2015-03-05

Filter system with sensor socket

#253
20150059302
2015-03-05

Filter system having a support tube

#254
20150059301
2015-03-05

Filter system with filter element

#255
20150059297
2015-03-05

Air filter system and air filter element for an air filter system

#256
20150059296
2015-03-05

Filter element and filter system with a filter element

#257
20150013294
2015-01-15

Air filter and filter element of an air filter

#258
20150007538
2015-01-08

Seal arrangement for filter element; filter element assembly; and, methods

#259
20140370768
2014-12-18

Intake structure of outboard motor

#260
20140360145
2014-12-11

Filter medium for filter, method for producing the same, and filter

#261
20140352674
2014-12-04

Multiple layer bypass hydrocarbon trap

#262
20140325945
2014-11-06

Air cleaner replaceable filter cartridges; and, methods

#263
20140311110
2014-10-23

Filter element

#264
20140290194
2014-10-02

Filter device, especially an air filter

#265
20140230386
2014-08-21

Air cleaner filter assembly for motor vehicles operating in extreme weather conditions

#266
20140174394
2014-06-26

Intake passage structure for vehicle

#267
20140165513
2014-06-19

Cyclone separation device

#268
20140150384
2014-06-05

Rain deflector for an intake duct of a work vehicle

#269
20140053796
2014-02-27

Cyclonic air cleaner

#270
20140053521
2014-02-27

Efficiency-improved multiple bellows filter

#271
20140041615
2014-02-13

Air cleaner device for internal combustion engine

#272
20140033667
2014-02-06

Seal arrangement for filter element; filter element assembly; and, methods

#273
20140033666
2014-02-06

Filtering device, in particular air filter

#274
20140026863
2014-01-30

Engine having displaceable elastic film

#275
20130291503
2013-11-07

Filter device

#276
20130276633
2013-10-24

Adsorber element, ring filter element

#277
20130239530
2013-09-19

Air filter arrangement; assembly; and, methods

#278
20130220261
2013-08-29

VARIABLE INTAKE DEVICE OF ENGINE

#279
20130212989
2013-08-22

Air cleaner pre-filtration improvement

#280
20130192181
2013-08-01

Filter mechanism for internal combustion engines

#281
20130152526
2013-06-20

Filter insert and filter device

#282
20130111860
2013-05-09

Device for particle separation in an exhaust-gas recirculation system and motor vehicle having the device

#283
20130068551
2013-03-21

Motorcycle

#284
20130047953
2013-02-28

Air cleaner in two-stroke engine

#285
20120318143
2012-12-20

Air inlet system for an internal combustion engine

#286
20120312172
2012-12-13

Filter element and air filter

#287
20120311873
2012-12-13

Combustion engine powered working machine

#288
20120304607
2012-12-06

Air cleaner for motor vehicles operating in extreme weather conditions

#289
20120297743
2012-11-29

Seal, arrangement for filter element; filter element assembly; and, methods

#290
20120285410
2012-11-15

Hand-held work apparatus powered by internal combustion engine

#291
20120272630
2012-11-01

CONTROLLED FLOW AIR PRECLEANER

#292
20120266577
2012-10-25

Air cleaner filter assembly for motor vehicles operating in extreme weather conditions

#293
20120247416
2012-10-04

Intake device of an internal combustion engine

#294
20120234269
2012-09-20

Wound hydrocarbon trap

#295
20120233972
2012-09-20

Filter device

#296
20120210687
2012-08-23

Filter for internal combustion engines

#297
20120205305
2012-08-16

Filter element

#298
20120198802
2012-08-09

Filter device and main filter element for a filter device

#299
20120192532
2012-08-02

Filter device, especially air filter for an internal combustion engine

#300
20120186566
2012-07-26

Engine air management system