ClassID:

137703

F01M2013/0072 - CPC Classification

Classification description:

Crankcase ventilating or breathing; Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers in series

Recent Application in this class:
#1
20250116215
2025-04-10

BLOW-BY GAS RECIRCULATION DEVICE

#2
20240218817
2024-07-04

MODULAR ASSEMBLIES FOR CRANKCASE OIL SEPARATORS

#3
20200141293
2020-05-07

Crankcase ventilation system for an internal combustion engine

#4
20180142591
2018-05-24

Oil separator

#5
20180119587
2018-05-03

Oil mist separator

#6
20180112567
2018-04-26

Integrated oil separator assembly for crankcase ventilation

#7
20180111073
2018-04-26

Oil separator including spiral members defining helical flow paths

#8
20160251987
2016-09-01

Method to control the sealing of a blow-by gas breather circuit of an internal combustion engine

#9
20160090882
2016-03-31

Breather device for engine

#10
20160090881
2016-03-31

Separator

#11
20150135961
2015-05-21

Oil separator

#12
20150047582
2015-02-19

Crankcase ventilation self-cleaning coalescer with intermittent rotation

#13
20150040767
2015-02-12

Oil separator

#14
20150033685
2015-02-05

Oil separator

#15
20150027422
2015-01-29

Crankcase ventilation inside-out flow rotating coalescer

#16
20140165977
2014-06-19

Separator

#17
20140109885
2014-04-24

Engine crankcase ventilation filter assembly; components; feature; and methods

#18
20130276743
2013-10-24

Separator wall for a crankcase

#19
20130205726
2013-08-15

Oil mist separator

#20
20130167816
2013-07-04

Crankcase ventilation self-cleaning coalescer with intermittent rotation

#21
20130104817
2013-05-02

ENGINE ASSEMBLY INCLUDING CRANKCASE VENTILATION SYSTEM

#22
20130056407
2013-03-07

Rotating separator with housing preventing separated liquid carryover

#23
20120017866
2012-01-26

Heavy particle oil separator splash shield

#24
20110180052
2011-07-28

Closed crankcase ventilation system

#25
20110180051
2011-07-28

Crankcase ventilation inside-out flow rotating coalescer

#26
20110108014
2011-05-12

Separator for crank housing ventilation of an internal combustion engine

#27
20100229510
2010-09-16

Oil mist separator of an internal combustion engine

#28
20100126479
2010-05-27

Oil separator

#29
20090314230
2009-12-24

Crankcase breathing system

#30
20090313977
2009-12-24

Apparatus and method to control engine crankcase emissions

#31
20080264018
2008-10-30

INERTIAL GAS-LIQUID SEPARATOR WITH SLOT NOZZLE

#32
20060196482
2006-09-07

Blow-by gas and purge gas treating device in intake valve lift variable engine

#33
20060075998
2006-04-13

Oil separator