ClassID:

140050

F02F1/4214 - CPC Classification

Classification description:

Cylinders; Cylinder heads ; Cylinder heads; Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder

Sub-classes:
Recent Application in this class:
#1
20240175406
2024-05-30

Cylinder head for a lean-burn gasoline engine

#2
20240167431
2024-05-23

A PISTON FOR A LEAN-BURN GASOLINE ENGINE

#3
20240003313
2024-01-04

Internal combustion engine

#4
20230332556
2023-10-19

Engine and vehicle having the same

#5
20230332519
2023-10-19

Gas admission valve (GAV) assembly and system and method thereof

#6
20230129922
2023-04-27

Cylinder head assembly having fuel injector sleeve for mid-deck reacting of injector clamping load

#7
20230126743
2023-04-27

Cylinder head assembly having fuel injector sleeve for mid-deck reacting of injector clamping load

#8
20220186678
2022-06-16

Engine cylinder head

#9
20210381423
2021-12-09

Engine

#10
20210310403
2021-10-07

Apparatus for optimizing fuel/air mixing process of internal combustion engine

#11
20210285360
2021-09-16

Homogeneous charge compression ignition (HCCI-type) combustion system for an engine and powertrain using wet-alcohol as a fuel and including hot assist ignition

#12
20200325845
2020-10-15

Internal combustion engine, straddled vehicle, and method for manufacturing internal combustion engine

#13
20200277890
2020-09-03

System and method for rotational combustion engine

#14
20200256279
2020-08-13

Water cooled engine

#15
20200132013
2020-04-30

Cylinder head

#16
20200131978
2020-04-30

Spark-ignition internal combustion engine

#17
20200063654
2020-02-27

Engine

#18
20190383208
2019-12-19

Intake port structure for internal combustion engine

#19
20190383207
2019-12-19

Intake port structure for internal combustion engine

#20
20190368412
2019-12-05

Compression ignited combustion engine

#21
20190345892
2019-11-14

Cylinder head for internal combustion engine

#22
20190277222
2019-09-12

Internal combustion engine with cylinder head, and method for producing a cylinder head of an internal combustion engine of said type

#23
20190226388
2019-07-25

Cylinder head of engine

#24
20190211773
2019-07-11

Engine

#25
20190211716
2019-07-11

A Cylinder Head With Valve Deactivators

#26
20190195166
2019-06-27

Internal combustion engine

#27
20190186409
2019-06-20

CYLINDER HEAD FOR ONE INTERNAL COMBUSTION ENGINE

#28
20190186343
2019-06-20

Intake structure of internal combustion engine

#29
20190128210
2019-05-02

Cylinder Structure of Diesel Engine

#30
20190107077
2019-04-11

Internal combustion engine having valve seat pockets

#31
20190093571
2019-03-28

ENGINE CONTROL DEVICE

#32
20190003416
2019-01-03

Water cooled engine

#33
20180274478
2018-09-27

Valve operating system for multicylinder engine

#34
20180274434
2018-09-27

INTERNAL COMBUSTION ENGINE

#35
20180156085
2018-06-07

Quantitative one-way oil gas lubricant system and method for 4-stroke engine

#36
20180106214
2018-04-19

Intake valve fairing for a cylinder head of an engine

#37
20180106213
2018-04-19

Cylinder head for an internal combustion engine

#38
20180087469
2018-03-29

Cylinder head with valve deactivators

#39
20170260892
2017-09-14

Two-port integrated exhaust manifold for an internal combustion engine having three cylinders

#40
20170218881
2017-08-03

Engine and straddled vehicle

#41
20170211508
2017-07-27

SYSTEM AND METHOD FOR VALVE SIZE RATIO AND IGNITER PLACEMENT

#42
20160215692
2016-07-28

High efficiency two-stroke engine

#43
20160201551
2016-07-14

COMBUSTION CHAMBER STRUCTURE FOR ENGINE

#44
20160131046
2016-05-12

Systems and methods for control of turbine-generator via valve deactivation in a split exhaust engine system

#45
20160108849
2016-04-21

Cylinder head assembly

#46
20160032843
2016-02-04

Method and system for diagonal blow-through exhaust gas scavenging

#47
20160025033
2016-01-28

Internal combustion engine

#48
20150369168
2015-12-24

Enhanced performance poppet valves for internal combustion engines

#49
20150219006
2015-08-06

CYLINDER HEAD WITH COUNTERSINK

#50
20150136049
2015-05-21

Laser ignition device and operating method therefor

#51
20150083076
2015-03-26

Two-stroke spark-ignition engine

#52
20140305398
2014-10-16

Cylinder head comprising a shroud

#53
20140076262
2014-03-20

Cylinder head of internal combustion engine

#54
20130055971
2013-03-07

Integrated exhaust cylinder head

#55
20120037118
2012-02-16

Combustion chamber for diesel engines with inclined engine valves

#56
20110277718
2011-11-17

ENGINE INCLUDING VALVE GEOMETRY RELATIVE TO BORE SIZE

#57
20110083624
2011-04-14

Cylinder head for an engine

#58
20110083622
2011-04-14

Cylinder head sleeve for a fuel injector or ignitor of an engine

#59
20110023800
2011-02-03

MIRROR-IMAGE CYLINDER HEADS

#60
20100236517
2010-09-23

Four-cycle engine

#61
20100212614
2010-08-26

Internal combustion engine with variable valve gear

#62
20100180852
2010-07-22

Internal combustion engine

#63
20100037840
2010-02-18

Internal combustion engine

#64
20090301432
2009-12-10

Intake channels for internal combustion engines

#65
20090159041
2009-06-25

Intake port structure for engine

#66
20090025664
2009-01-29

INTERNAL COMBUSTION ENGINE

#67
20090007878
2009-01-08

INTERNAL COMBUSTION ENGINE CYLINDER HEAD ASSEMBLY

#68
20090007868
2009-01-08

Internal combustion engine cam follower arrangement

#69
20090007858
2009-01-08

Internal combustion engine cooling system

#70
20090000590
2009-01-01

Internal Combustion Engine with an Improved Charging Action in the Combustion Chamber

#71
20080127915
2008-06-05

Motor engine family

#72
20070245986
2007-10-25

Engine

#73
20070105465
2007-05-10

Watercraft Having a Four Stroke Engine with a Supercharger

#74
20070068465
2007-03-29

Watercraft having a four stroke engine with a supercharger

#75
20060118079
2006-06-08

Cylinder injection type internal combustion engine, control method for internal combustion engine, and fuel injection valve

#76
20060054130
2006-03-16

Mixture formation and combustion method for heat engine with direct fuel injection

#77
20060016404
2006-01-26

Water-cooled cylinder head for a multicylinder internal-combustion engine

#78
20050229875
2005-10-20

Cylinder head for a water-cooled internal combustion piston engine having inner reinforcement

#79
20050172940
2005-08-11

SOHC type engine

#80
20050145205
2005-07-07

Cooled cylinder head for a reciprocating engine

#81
20050103553
2005-05-19

Component arrangement for an all terrain vehicle

#82
20050081813
2005-04-21

Cast-in object plate member, partition plate for intake port, intake-port forming sand core and cylinder head

#83
20050076886
2005-04-14

Fuel injection nozzle of engine

#84
20050066918
2005-03-31

Control device for spark-ignition engine

#85
20050066575
2005-03-31

Heading gas injection system (HGIS) direct injection system

#86
20050051115
2005-03-10

Engine with rotatable cylinder head assembly

#87
20050022755
2005-02-03

Spark ignition engine control device

#88
20050016496
2005-01-27

Control device for spark-ignition engine

#89
17511474
2023-01-31

Cylinder head assembly having fuel injector sleeve for mid-deck reacting of injector clamping load