ClassID:

140060

F02F1/4285 - CPC Classification

Classification description:

Cylinders; Cylinder heads ; Cylinder heads; Shape or arrangement of intake or exhaust channels in cylinder heads of both intake and exhaust channel

Sub-classes:
Recent Application in this class:
#1
20250122852
2025-04-17

Port Assembly for 2-Stroke Diesel Engine

#2
20240401543
2024-12-05

Airway structure, cylinder cover, and miller-profile engine

#3
20240392708
2024-11-28

INTERCHANGEABLE ENGINE ASSEMBLY

#4
20240392703
2024-11-28

ENGINE VALVE CONFIGURATION

#5
20240360776
2024-10-31

CAMSHAFT CARRIER FOR SUPPORTING A CAMSHAFT, AN ENGINE SYSTEM, AND A METHOD OF ASSEMBLY

#6
20240151165
2024-05-09

Three Valve Cylinder Head Assembly

#7
20230374951
2023-11-23

Cylinder head for an internal combustion engine

#8
20230332556
2023-10-19

Engine and vehicle having the same

#9
20230313763
2023-10-05

Off-road vehicle and engine thereof

#10
20230228212
2023-07-20

CYLINDER HEAD FOR INTERNAL COMBUSTION ENGINE

#11
20230175455
2023-06-08

Liquid-cooled cylinder head

#12
20230112941
2023-04-13

Combustion chamber structure for internal combustion engine

#13
20230077087
2023-03-09

Cylinder head having bore locations arranged for tight packaging of gas exchange and fuel system components

#14
20220307391
2022-09-29

PLATE VALVE FOUR STOKE HEAD

#15
20220120209
2022-04-21

Combustion pre-chamber for an internal combustion engine

#16
20220106923
2022-04-07

CYLINDER LINER

#17
20220082062
2022-03-17

Liquid-cooled cylinder head

#18
20210355892
2021-11-18

Internal combustion engine

#19
20210348579
2021-11-11

Cylinder head and engine

#20
20210180478
2021-06-17

Engine head assembly with valve seat insert with stiffness relief cutout

#21
20210108591
2021-04-15

Internal combustion engine comprising a liquid cooling circuit

#22
20210087996
2021-03-25

Internal combustion engine

#23
20210062751
2021-03-04

Internal combustion engine with turbocharger

#24
20210062686
2021-03-04

Automatic lash adjuster for use with high compression internal combustion engines

#25
20210025350
2021-01-28

Engine

#26
20210010442
2021-01-14

Port shapes for enhanced engine breathing

#27
20200378335
2020-12-03

Combustion chamber structure for engines

#28
20200256279
2020-08-13

Water cooled engine

#29
20200232415
2020-07-23

ENGINE WITH MINIMUM HEAT TRANSFERRED STRUCTURE

#30
20200166002
2020-05-28

GDI ENGINE

#31
20200132015
2020-04-30

Cylinder head

#32
20200056562
2020-02-20

Direct fuel injection, two-valve per cylinder pushrod valvetrain combustion system for an internal combustion engine

#33
20200011266
2020-01-09

Cylinder head and method for manufacturing the same

#34
20190376464
2019-12-12

Direct-injection internal combustion engine with two valves per cylinder

#35
20190353091
2019-11-21

Applied-ignition internal combustion engine with two cylinder-specific valves and method for mixture formation in an internal combustion engine of said type

#36
20190345892
2019-11-14

Cylinder head for internal combustion engine

#37
20190218994
2019-07-18

Cylinder structure of internal combustion engine

#38
20190203636
2019-07-04

Internal combustion engine

#39
20190195167
2019-06-27

Cylinder head

#40
20190178201
2019-06-13

Internal combustion engine comprising a liquid cooling circuit

#41
20190170086
2019-06-06

Composite engine architecture, and method of manufacturing the same

#42
20190153911
2019-05-23

Internal combustion engine and straddled vehicle having the same

#43
20190107075
2019-04-11

Cooling jacket for cylinder head

#44
20190078532
2019-03-14

Engine with rotating valve assembly

#45
20190003417
2019-01-03

MULTIPLE VALVE CYLINDER HEAD

#46
20190003416
2019-01-03

Water cooled engine

#47
20180334991
2018-11-22

Semi-compliant coating for thermal expansion absorption

#48
20180320630
2018-11-08

Internal Combustion Engine Cylinder Head with Tubular Apparatus for Intake and Exhaust

#49
20180274477
2018-09-27

Cylinder head for internal combustion engine

#50
20180100463
2018-04-12

Water jacket for a cylinder head

#51
20180030920
2018-02-01

Hybrid composite cylinder head

#52
20180023506
2018-01-25

Cylinder head and engine

#53
20180010486
2018-01-11

Control device for internal combustion engine

#54
20170254288
2017-09-07

Barrier ring and assembly for a cylinder of an opposed-piston engine

#55
20170209915
2017-07-27

Manufacturing method for cylinder head

#56
20170167456
2017-06-15

GASOLINE-DIESEL COMPLEX COMBUSTION ENGINE

#57
20170152787
2017-06-01

INTERNAL COMBUSTION ENGINE

#58
20170122185
2017-05-04

Compact ported cylinder construction for an opposed-piston engine

#59
20170114678
2017-04-27

Rotary valve engine system

#60
20170095895
2017-04-06

System, method and tooling for flexible assembly of cylinder-head valve trains

#61
20170067413
2017-03-09

Cylinder head for an internal combustion engine

#62
20170058823
2017-03-02

CYLINDER HEAD WITH BLENDED INLET VALVE SEAT FOR HIGH TUMBLE INLET PORT

#63
20160348608
2016-12-01

Internal combustion engine

#64
20160265473
2016-09-15

Friction-welded structure assembly, water-cooled internal combustion engine cylinder head, water-cooled internal combustion engine and machine equipped with same

#65
20160230645
2016-08-11

Internal combustion engine

#66
20160195035
2016-07-07

Cooling structure for a cylinder head of an internal combustion engine

#67
20160136758
2016-05-19

Cladding method for valve seat and production method for cylinder head

#68
20160102629
2016-04-14

Cylinder head for an auto-ignition engine with direct injection

#69
20160102595
2016-04-14

Cylinder head cooling apparatus of engine

#70
20160090937
2016-03-31

Engine assembly including a thermal barrier

#71
20160061141
2016-03-03

Cylinder head

#72
20150369168
2015-12-24

Enhanced performance poppet valves for internal combustion engines

#73
20150354494
2015-12-10

CYLINDER HEAD AND ENGINE

#74
20150300290
2015-10-22

Water-cooled internal combustion engine cylinder head and water-cooled internal combustion engine equipped with same

#75
20150240744
2015-08-27

System, method and tooling for flexible assembly of cylinder-head valve trains

#76
20150167581
2015-06-18

Cylinder head for internal combustion engine

#77
20140182289
2014-07-03

Turbocharger system

#78
20130340703
2013-12-26

Cylinder head for internal combustion engine

#79
20130333656
2013-12-19

VALVE SEATS FOR CYLINDER HEADS IN AIRCRAFT ENGINES

#80
20130199505
2013-08-08

Cylinder head and internal combustion engine equipped therewith

#81
20130055713
2013-03-07

CYLINDER HEAD

#82
20130014721
2013-01-17

CYLINDER HEAD FOR INTERNAL COMBUSTION ENGINE

#83
20120260883
2012-10-18

Internal combustion engine having a cylinder head and a cylinder block

#84
20120125282
2012-05-24

Engine assembly including combustion chambers with different port arrangements

#85
20080223348
2008-09-18

Internal combustion engine and vehicle having the internal combustion engine

#86
20070125333
2007-06-07

Concave combustion chamber

#87
20070022982
2007-02-01

Hydroformed port liner

#88
20060037577
2006-02-23

Air flow arrangement for a reduced-emission single cylinder engine

#89
20050235477
2005-10-27

Intake or exhaust port molding core structure

#90
18506469
2024-10-15

Internal combustion engine and combustion chamber for an internal combustion engine

#91
17829670
2023-05-02

Gaseous fuel engine configuration and method using always-open fuel admission ports

#92
17028875
2021-06-22

Cylinder structure of internal combustion engine

#93
16560546
2020-10-06

Automatic lash adjuster for use with high compression internal combustion engines