ClassID:

140053

F02F1/4235 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260071587
2026-03-12

INTERNAL COMBUSTION ENGINE HAVING A TOP-DOWN COOLING CONCEPT

#2
20260022676
2026-01-22

AIR-COOLED, FOUR-STROKE AVIATION ENGINE

#3
20250389222
2025-12-25

ENGINE CYLINDER HEAD WITH TEMPERATURE-REDUCING PRESSURE SENSOR BORE

#4
20240337227
2024-10-10

AIR-COOLED, FOUR-STROKE AVIATION ENGINE

#5
20240175406
2024-05-30

Cylinder head for a lean-burn gasoline engine

#6
20240167400
2024-05-23

A CYLINDER HEAD FOR A LEAN-BURN GASOLINE ENGINE

#7
20240003313
2024-01-04

Internal combustion engine

#8
20230077310
2023-03-09

Parallel intake valve tumble flow engine

#9
20230040082
2023-02-09

Air-cooled, four-stroke aviation engine

#10
20220260025
2022-08-18

Internal combustion engine with fast combustion, and method for the internal combustion engine

#11
20220154630
2022-05-19

Gas intake device comprising an oriented masking element

#12
20220106925
2022-04-07

Cylinder head

#13
20220090535
2022-03-24

Gas inlet duct generating an aerodynamic movement of gas within a cylinder

#14
20210372344
2021-12-02

Cylinder head for a combustion engine, and a method for supply of prechamber gas in a cylinder head

#15
20210355891
2021-11-18

Cylinder head and gas engine

#16
20210348580
2021-11-11

Cylinder head for an internal combustion engine and method for the production thereof

#17
20210207524
2021-07-08

Systems and methods of compression ignition engines

#18
20210140390
2021-05-13

Engine

#19
20210140389
2021-05-13

Intake chamber air diffusing feature in an opposed-piston engine

#20
20210095615
2021-04-01

Engine

#21
20210071593
2021-03-11

Engine, vehicle and engine control method

#22
20200318586
2020-10-08

Multi-cylinder engine intake structure

#23
20200132013
2020-04-30

Cylinder head

#24
20200088091
2020-03-19

Intake system for an internal combustion engine, in particular of a motor vehicle

#25
20200080468
2020-03-12

DIESEL ENGINE

#26
20200072096
2020-03-05

COMBUSTION CHAMBER OF ENGINE

#27
20200063644
2020-02-27

DIESEL ENGINE

#28
20200040807
2020-02-06

Spark-ignition internal combustion engine

#29
20190383208
2019-12-19

Intake port structure for internal combustion engine

#30
20190383207
2019-12-19

Intake port structure for internal combustion engine

#31
20190368412
2019-12-05

Compression ignited combustion engine

#32
20190323420
2019-10-24

CYLINDER HEAD OF INTERNAL COMBUSTION ENGINE

#33
20190226388
2019-07-25

Cylinder head of engine

#34
20190219010
2019-07-18

Cobra head air intake ports

#35
20190186343
2019-06-20

Intake structure of internal combustion engine

#36
20190128210
2019-05-02

Cylinder Structure of Diesel Engine

#37
20190093595
2019-03-28

AIR INTAKE DUCT AND COMBUSTION SYSTEM OF TURBOCHARGED GASOLINE ENGINE

#38
20190078499
2019-03-14

Systems and methods of compression ignition engines

#39
20180347451
2018-12-06

CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE, AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

#40
20180274434
2018-09-27

INTERNAL COMBUSTION ENGINE

#41
20180223723
2018-08-09

Systems and methods of compression ignition engines

#42
20180179893
2018-06-28

MOMENT-CANCELLING 4-STROKE ENGINE

#43
20180106214
2018-04-19

Intake valve fairing for a cylinder head of an engine

#44
20180003126
2018-01-04

CYLINDER HEAD

#45
20170362992
2017-12-21

CYLINDER HEAD OF MULTI-CYLINDER ENGINE

#46
20170276060
2017-09-28

Internal combustion engine

#47
20170204777
2017-07-20

Systems and methods of compression ignition engines

#48
20170175670
2017-06-22

INTERNAL COMBUSTION ENGINE, VEHICLE HAVING THE SAME, AND METHOD FOR MANUFACTURING INTERNAL COMBUSTION ENGINE

#49
20170152791
2017-06-01

Air intake system for internal combustion engine

#50
20170067390
2017-03-09

Internal combustion engine

#51
20160377036
2016-12-29

Internal combustion engine and method for manufacturing the same

#52
20160369738
2016-12-22

System and method for air-fuel mixture formation in an internal combustion engine

#53
20160341160
2016-11-24

Protection of vehicle engine intake components

#54
20160281633
2016-09-29

Intake device of engine

#55
20160146008
2016-05-26

Moment-cancelling 4-stroke engine

#56
20160138515
2016-05-19

CYLINDER HEAD FOR ENGINE

#57
20160084194
2016-03-24

Engine cooling system

#58
20150345420
2015-12-03

Engine intake port structure

#59
20150322884
2015-11-12

Preformed article for cylinder head, cylinder head, and method for manufacturing cylinder head

#60
20150322883
2015-11-12

Engine cylinder head intake port configuration

#61
20150219041
2015-08-06

Engine

#62
20150176519
2015-06-25

Engine provided with connecting line connecting each cylinder

#63
20150107551
2015-04-23

INTAKE PORT FOR IDEAL TUMBLE FLOW

#64
20150083077
2015-03-26

Swirl-inducing intake valve arrangement

#65
20140366831
2014-12-18

Induced flow intake for an internal combustion engine

#66
20140305408
2014-10-16

Cylinder head with fuel guiding portion

#67
20140305403
2014-10-16

Cylinder head for internal-combustion engine with intake ducts having an air-deflecting projection

#68
20140305398
2014-10-16

Cylinder head comprising a shroud

#69
20140190450
2014-07-10

Cylinder head of engine

#70
20130319381
2013-12-05

ENGINE INCLUDING VENTURI IN INTAKE AIR FLOW PATH FOR EXHAUST GAS RECIRCULATION SUPPLY

#71
20130146029
2013-06-13

Independent fuel injection system of CNG engine

#72
20130112159
2013-05-09

PCV system having internal routing

#73
20120266840
2012-10-25

FOUR-STROKE INTERNAL COMBUSTION ENGINE AND EXHAUST VALVE

#74
20120145111
2012-06-14

Engine assembly including modified intake port arrangement

#75
20120118264
2012-05-17

Intake arrangement for combustion chamber

#76
20120085312
2012-04-12

Intake runner for an internal combustion engine

#77
20120037118
2012-02-16

Combustion chamber for diesel engines with inclined engine valves

#78
20120031355
2012-02-09

ENGINE INCLUDING PARTIAL INTEGRATED INTAKE MANIFOLD

#79
20100275878
2010-11-04

SPLIT-CYCLE ENGINE WITH DUAL SPRAY TARGETING FUEL INJECTION

#80
20100263624
2010-10-21

Premixed compression ignition diesel engine

#81
20100147249
2010-06-17

Combustion engine cylinder head intake duct and method of manufacture

#82
20090301432
2009-12-10

Intake channels for internal combustion engines

#83
20090159041
2009-06-25

Intake port structure for engine

#84
20090145410
2009-06-11

Breathing for an internal combustion engine

#85
20090120399
2009-05-14

Intake port of internal combustion engine

#86
20090007860
2009-01-08

HIGH-POWER ENGINE AND VEHICLE

#87
20080168765
2008-07-17

V-type engine

#88
20060048741
2006-03-09

Engine cylinder head having an improved intake port configuration, and engine incorporating same

#89
20060048738
2006-03-09

Internal combustion engine air intake structure

#90
20050139195
2005-06-30

Intake port structure for internal combustion engine

#91
20050115540
2005-06-02

Intake port of lean burn engine and core thereof

#92
20050109326
2005-05-26

Internal combustion engine intake pressure detecting device

#93
17195227
2021-10-19

Weak tumble flow fast combustion system and gas engine

#94
15212425
2018-12-25

Outboard motor powerhead section and fuel delivery system having low-profile fuel rail