Patents-Review.com
ClassID:

137709 ⎘

F01M13/021 - CPC Classification

Classification description:

Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure

Sub-classes:
Recent Application in this class:
#1
20260110256
2026-04-23

DRY SUMP ENGINE

 #2
20260098489
2026-04-09

ENGINE SYSTEM

 #3
20260055715
2026-02-26

TURBULENT VENTURI CRANKCASE VACUUM GENERATOR

 #4
20260002457
2026-01-01

Crankcase Pressure Regulator Having Umbrella Style Valve

 #5
20250257674
2025-08-14

INTERNAL COMBUSTION ENGINE AND DIAGNOSTIC METHOD FOR CRANKCASE VENTILATION SYSTEM

 #6
20250109702
2025-04-03

Crankcase Pressure Regulator Having Umbrella Style Valve

 #7
20240352878
2024-10-24

METHOD FOR DIAGNOSING A CRANKCASE SYSTEM OF AN INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE

 #8
20240301810
2024-09-12

COMPRESSOR HOUSING PVC PASSAGE BOSS FOR REDUCING CRANKCASE PRESSURE

 #9
20230374956
2023-11-23

Vehicle drive comprising vacuum system and ejector

 #10
20230203971
2023-06-29

Internal combustion engine with a crankcase ventilation means

 #11
20230080102
2023-03-16

Pump system

 #12
20220372899
2022-11-24

Heat exchanger, and internal combustion engine blow-by gas processing device

 #13
20220065143
2022-03-03

Systems and methods for engine coalescer exhaust extraction

 #14
20210348529
2021-11-11

Method and device for inspecting the functionality of a crankcase ventilation system of an internal combustion engine

 #15
20210270212
2021-09-02

TANK VENTILATION

 #16
20210270157
2021-09-02

Blow-by gas system

 #17
20200347777
2020-11-05

Compressor arrangement for an internal combustion engine and method for operating a compressor arrangement

 #18
20200300378
2020-09-24

Reflux valve

 #19
20200291833
2020-09-17

Internal combustion engine for a motor vehicle

 #20
20200088076
2020-03-19

Oil-separating device

 #21
20190368393
2019-12-05

OIL RECOVERY SYSTEM

 #22
20190242332
2019-08-08

Separation device, motor device, and separation method

 #23
20190242310
2019-08-08

Systems and methods for improving fuel vapor canister purging operations in a PHEV

 #24
20190234262
2019-08-01

Blow-by gas treatment device for internal combustion engine

 #25
20190234261
2019-08-01

Blow-by gas treatment device for internal combustion engine

 #26
20190085743
2019-03-21

Throttled PCV system for an engine

 #27
20190078475
2019-03-14

Oil separator for separating oil from aerosol in a combustion engine

 #28
20190048768
2019-02-14

Ejector device and combination of a cylinder head cover and an ejector device

 #29
20190017420
2019-01-17

Cylinder head cover structure for engine

 #30
20180274410
2018-09-27

Multi-stage jet suction pump

 #31
20180238253
2018-08-23

Control device for internal combustion engine

 #32
20180223751
2018-08-09

Method and system for boosted engine system

 #33
20180187582
2018-07-05

Blow-by gas recirculation device for internal combustion engine

 #34
20180171841
2018-06-21

Cylinder head cover and method for producing a cylinder head cover

 #35
20180156168
2018-06-07

Blow-by gas recirculation device for internal combustion engine

 #36
20180030868
2018-02-01

Pump device for driving blow-by-gas

 #37
20170356316
2017-12-14

GAS-LIQUID SEPARATION DEVICE FOR BLOW-BY GAS IN ENGINE

 #38
20170284318
2017-10-05

Systems and methods for reduced oil carryover

 #39
20170198616
2017-07-13

Crank chamber internal pressure reduction mechanism for internal combustion engine

 #40
20170145878
2017-05-25

Pressure regulator assemblies

 #41
20170122153
2017-05-04

Venturi devices resistant to ice formation for producing vacuum from crankcase gases

 #42
20170107873
2017-04-20

Method and apparatus

 #43
20160237962
2016-08-18

Blowby gas treatment device, intake manifold and internal combustion engine

 #44
20160230624
2016-08-11

Crankcase integrity breach detection

 #45
20160201552
2016-07-14

Crankcase ventilating evacuator

 #46
20160186694
2016-06-30

Vaporized fuel treating device and blow-by gas returning device

 #47
20160146076
2016-05-26

Vehicle with integrated turbocharger oil control restriction

 #48
20160138442
2016-05-19

Crankcase ventilation apparatus

 #49
20160097355
2016-04-07

Crankcase integrity breach detection

 #50
20150337697
2015-11-26

Oil separator

 #51
20150308310
2015-10-29

Method and system for fuel vapor management

 #52
20150300222
2015-10-22

Systems and methods for coalescing internal combustion engine blow-by

 #53
20150053188
2015-02-26

Blow-by gas ventilation device

 #54
20150013625
2015-01-15

REMOVING OF BLOW-BY GAS OUT OF CRANKCASE WITHOUT AUXILIARY DRIVE

 #55
20150000388
2015-01-01

Device and method for ascertaining measured values of gases and/or an aerosol for a machine

 #56
20140311468
2014-10-23

Blow-by gas refluxing device

 #57
20140216366
2014-08-07

Hydrogen on-demand fuel system for internal combustion engines

 #58
20140190439
2014-07-10

Intake apparatus

 #59
20140081564
2014-03-20

Crankcase integrity breach detection

 #60
20140081551
2014-03-20

Crankcase integrity breach detection

 #61
20130340733
2013-12-26

CYLINDER HEAD CAVITY VENTILATION FOR CAMLESS ENGINE

 #62
20130266436
2013-10-10

Housing structure of exhaust gas turbocharger

 #63
20130174803
2013-07-11

Mechanical breather system for a four-stroke engine

 #64
20120318215
2012-12-20

Separator

 #65
20120198836
2012-08-09

Light turbo compound engine variant

 #66
20120145135
2012-06-14

Attachment structure of vacuum pump

 #67
20110146223
2011-06-23

Arrangement for the discharge of exhaust air separated from the lubricating oil de-aeration system of a gas-turbine engine

 #68
20110139098
2011-06-16

Positive crankcase ventilation system

 #69
20110083625
2011-04-14

Dual Function Crankcase Breather System

 #70
20110073082
2011-03-31

Blow-by gas refluxing device

 #71
20100294218
2010-11-25

Device for ventilating a crankcase

 #72
20100229537
2010-09-16

Crankcase Ventilation System

 #73
20100077972
2010-04-01

Crankcase pressure regulator for an internal combustion engine

 #74
20090241541
2009-10-01

PRE-TURBO EXAHUST FILTRATION SYSTEM FOR INTERNAL COMBUSTION ENGINES

 #75
20080110443
2008-05-15

Blow-by gas processing apparatus

 #76
20080092959
2008-04-24

Device for separating oil from an oil-air separator of an oil reservoir

 #77
20080083399
2008-04-10

Blow-by gas processing apparatus

 #78
20070267003
2007-11-22

System for venting the crankcase of a turbo-charged internal combustion engine

 #79
20070144155
2007-06-28

Closed crankcase ventilation system

 #80
20070107709
2007-05-17

Closed crankcase ventilation system

 #81
20070095335
2007-05-03

Four-cycle engine and motorcycle comprising four-cycle engine

 #82
20070084194
2007-04-19

Crankcase ventilation system

 #83
20060045764
2006-03-02

Compressor stage separation system

 #84
20050241310
2005-11-03

Crankcase ventilation

 #85
18141579
2024-04-02

Pre-heated crankcase ventilation system architecture

 #86
16450861
2020-09-08

Crankcase ventilation system and diagnostic method