ClassID:

140954

F02M35/09 - 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 with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners Clogging indicators ; Diagnosis or testing of air cleaners

Recent Application in this class:
#1
20250003376
2025-01-02

INTERNAL COMBUSTION ENGINE MONITORING SYSTEM

#2
20240229749
2024-07-11

Cyclonic Flow Air Cleaner Assemblies

#3
20230250782
2023-08-10

AIR CLEANER DEGRADATION DEGREE ESTIMATION DEVICE AND AIR CLEANER DEGRADATION DEGREE ESTIMATION METHOD

#4
20230062732
2023-03-02

ACTIVE PRECLEANER SYSTEM AND METHODS OF USE

#5
20220403805
2022-12-22

Monitoring system, method and vehicle comprising such a system, for detecting clogging through fouling of an air filter of an internal combustion engine

#6
20220252024
2022-08-11

Fuel tank system

#7
20220082069
2022-03-17

Electronic fuel injection system and method for engines

#8
20210388800
2021-12-16

Method for detecting the clogging of an air filter

#9
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

#10
20200360849
2020-11-19

Air cleaner assembly with restriction indicator

#11
20200309759
2020-10-01

Electronic fuel injection system and method for engines

#12
20200276969
2020-09-03

Methods and systems for exhaust tuning valve diagnostics

#13
20200248639
2020-08-06

Crawled vehicle for the preparation of ski pistes

#14
20200246742
2020-08-06

Air purifying prompting system

#15
20190257260
2019-08-22

Electronic fuel injection system and method for engines

#16
20190195179
2019-06-27

Exhaust scavenging system for an engine system

#17
20190176810
2019-06-13

Methods and systems for exhaust tuning valve diagnostics

#18
20190176075
2019-06-13

Air intake system for engines

#19
20190072045
2019-03-07

Method and device for controlling a turbocharger

#20
20180204393
2018-07-19

Method for monitoring component life

#21
20180202398
2018-07-19

Method for monitoring component life

#22
20180179998
2018-06-28

Clogging degree estimation apparatus

#23
20180023523
2018-01-25

Secondary system and method for controlling an engine

#24
20170248092
2017-08-31

Electronic fuel injection system and method for engines

#25
20170247263
2017-08-31

Cleaning module, filter element and filter system

#26
20170211498
2017-07-27

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

#27
20170114758
2017-04-27

POSITIONING AN ACTIVATED CARBON FILTER IN AN ARRANGEMENT FOR ITS REGENERATION

#28
20170096974
2017-04-06

Method for detecting air filter degradation

#29
20170067769
2017-03-09

Device and method for measuring engine flow and monitoring air filter performance

#30
20170036155
2017-02-09

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

#31
20160258854
2016-09-08

Method for estimating pressure loss of air cleaner and device for estimating pressure loss of air cleaner

#32
20160138503
2016-05-19

DEVICE AND METHOD FOR CONTROLLING ENGINE RPM FOR CONSTRUCTION MACHINERY

#33
20160131094
2016-05-12

Air filter, filter element and filter housing of an air filter

#34
20160123282
2016-05-05

Hollow filter element, filter housing and filter

#35
20160115917
2016-04-28

Hollow filter element, filter housing, and filter

#36
20160102638
2016-04-14

Filter element, filter housing of an air filter and air filter

#37
20160101380
2016-04-14

Filter housing, hollow filter element and filter

#38
20160018288
2016-01-21

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

#39
20150345439
2015-12-03

System and method for controlling an electric aspirator of an air intake system for a work vehicle

#40
20150330857
2015-11-19

Methods and systems for monitoring loading of an air filter

#41
20150059584
2015-03-05

Filter system with sensor socket

#42
20150059302
2015-03-05

Filter system having a support tube

#43
20150059301
2015-03-05

Filter system with filter element

#44
20150059297
2015-03-05

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

#45
20150059296
2015-03-05

Filter element and filter system with a filter element

#46
20140373495
2014-12-25

Air filter, filter element and filter housing of an air filter

#47
20140245920
2014-09-04

Filtration system and method for engine air intake

#48
20140076249
2014-03-20

Crankcase integrity breach detection

#49
20130036804
2013-02-14

End-of-life estimation device for air cleaner

#50
20130008308
2013-01-10

FILTRATION SYSTEM AND METHOD FOR ENGINE AIR INTAKE

#51
20120317974
2012-12-20

Method and system for determining conditions of an air filter

#52
20120137891
2012-06-07

System for checking filter of air cleaner for automobiles

#53
20110308308
2011-12-22

Engine air filter replacement indication system

#54
20110094297
2011-04-28

Method for determining air filter condition

#55
20100037575
2010-02-18

Rotate-once outlet fitting for a filter housing

#56
20090199645
2009-08-13

Dial-type flow-restriction gauges

#57
20090071392
2009-03-19

FLUID FLOW RESTRICTION INDICATOR

#58
20090025469
2009-01-29

Adaptive barometric pressure estimation in which an internal combustion engine is located

#59
20090014310
2009-01-15

Non-locking switch for filter monitoring

#60
20080229720
2008-09-25

Method and apparatus for monitoring the restriction level of a vehicular air filter element

#61
20080190177
2008-08-14

Throttle inlet absolute air pressure sensor for dirty air filter detection

#62
20080183366
2008-07-31

Method and apparatus for monitoring an intake air filter

#63
20080148947
2008-06-26

Air filter status evaluator

#64
20080072687
2008-03-27

Dial-type flow-restriction gauges

#65
20080003896
2008-01-03

Outboard motor

#66
20070240393
2007-10-18

Air connection unit for an air filter housing

#67
20070079589
2007-04-12

Gas concrete saw filtration system

#68
20060225993
2006-10-12

Non-locking switch for filter monitoring

#69
20060163127
2006-07-27

Fluid flow restriction indicator

#70
20060162699
2006-07-27

Internal combustion engine for a motor vehicle

#71
20050016591
2005-01-27

Valve and fuel supply system

#72
18141083
2024-07-09

Air cleaner assembly with restriction indicator

#73
17304249
2022-10-25

Self-calibrating engine air filter life monitoring system

#74
15683431
2018-10-16

Diagnosing an air filter with an electric boosting device