ClassID:

140088

F02F3/14 - CPC Classification

Classification description:

Pistons  having surface coverings on piston heads within combustion chambers

Recent Application in this class:
#1
20260022678
2026-01-22

COATING SYSTEM

#2
20250067209
2025-02-27

AMMONIA-BURNING COMBUSTION ENGINE

#3
20240093658
2024-03-21

Piston including spiral features to increase in-cylinder swirl

#4
20230340905
2023-10-26

Engine’s efficiency by heat preservation, and engines employing this invent

#5
20230332555
2023-10-19

Combustion cylinder end face components including thermal barrier coatings

#6
20230088665
2023-03-23

Piston including a composite layer applied to metal substrate

#7
20220260033
2022-08-18

Steel piston having oxidation and erosion protection

#8
20220010141
2022-01-13

METHOD FOR COATING A PISTON

#9
20220003186
2022-01-06

PISTON FOR AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE

#10
20210180538
2021-06-17

Internal combustion engine and method of manufacturing the same

#11
20200240356
2020-07-30

WORKING PISTON FOR A RECIPROCATING PISTON INTERNAL COMBUSTION ENGINE AND METHOD FOR THE PRODUCTION THEREOF

#12
20200158045
2020-05-21

Spark-ignited internal combustion engine

#13
20200132016
2020-04-30

Piston of an internal-combustion engine

#14
20200123999
2020-04-23

Piston

#15
20200071845
2020-03-05

Plasma texturing and coating method for frictional and thermal management

#16
20200040841
2020-02-06

Piston including a composite layer applied to a metal substrate

#17
20200011237
2020-01-09

Internal combustion engine

#18
20190262904
2019-08-29

Method for producing a component, in particular vehicle component, and correspondingly produced component

#19
20190257266
2019-08-22

COMPRESSION SELF-IGNITED INTERNAL COMBUSTION ENGINE

#20
20190186355
2019-06-20

THERMAL BARRIERS FOR ENGINES AND METHODS OF MAKING THE SAME

#21
20190136792
2019-05-09

BIMETALLIC PISTON HEADS INCLUDING THERMAL INSULATION COATINGS

#22
20190128213
2019-05-02

Piston for a cylinder for an internal combustion engine

#23
20190093597
2019-03-28

Multi-layered piston crown for opposed-piston engines

#24
20190061072
2019-02-28

Fuel injector bore repair

#25
20190024605
2019-01-24

Piston for internal combustion engines and method for producing piston for internal combustion engines

#26
20180313294
2018-11-01

Thermal barrier coating for engine combustion component

#27
20180128203
2018-05-10

PISTONS WITH THERMAL BARRIER COATINGS

#28
20180128202
2018-05-10

Pistons with thermal barrier coatings

#29
20180128166
2018-05-10

Steel piston crown and/or combustion engine components with dynamic thermal insulation coating and method of making and using such a coating

#30
20180094603
2018-04-05

Vehicle mechanical component and piston

#31
20170328301
2017-11-16

Method of producing piston for engine

#32
20170321627
2017-11-09

Piston with anti-carbon coating and method for applying an anti-carbon coating on a piston

#33
20170284334
2017-10-05

Piston with thermally insulating insert and method of construction thereof

#34
20170284333
2017-10-05

Heat-resistant member provided with heat-shielding coating, and method for manufacturing same

#35
20170248099
2017-08-31

Multi-layered piston crown for opposed-piston engines

#36
20170184052
2017-06-29

Piston including a composite layer applied to a metal substrate

#37
20170145952
2017-05-25

Thermally insulated steel piston crown and method of making using a ceramic coating

#38
20170145951
2017-05-25

Textured Piston

#39
20170122147
2017-05-04

METHOD AND APPRATUS FOR REDUCING EMISSIONS AND/OR REDUCING FRICTION IN AN INTERNAL COMBUSITION ENGINE

#40
20170107935
2017-04-20

Direct-injection internal combustion engine with piston, and method for producing a piston of an internal combustion engine of said type

#41
20170089241
2017-03-30

METHOD AND APPARATUS FOR REDUCING EMISSIONS AND/OR REDUCING FRICTION IN AN INTERNAL COMBUSTION ENGINE

#42
20160273484
2016-09-22

Internal combustion engine

#43
20160177864
2016-06-23

Method for manufacturing piston for internal combustion engine, and piston for internal combustion engine

#44
20160169185
2016-06-16

Internal combustion engine

#45
20160160793
2016-06-09

ENGINE FOR VEHICLES

#46
20160138179
2016-05-19

Anodizing treatment method and structure of internal combustion engine

#47
20160090938
2016-03-31

Internal combustion engine cylinder flow deflector

#48
20160025035
2016-01-28

HEAT-INSULATING LAYER ON SURFACE OF COMPONENT AND METHOD FOR FABRICATING SAME

#49
20150226150
2015-08-13

Engine piston and a process for making an engine piston

#50
20150211437
2015-07-30

Piston with coated pin bore

#51
20150211431
2015-07-30

Control device of gasoline direct-injection engine

#52
20150204269
2015-07-23

Engine and piston

#53
20150128894
2015-05-14

Sliding component for internal combustion engine and method of manufacturing sliding component for internal combustion engine

#54
20150107544
2015-04-23

Steel piston for an internal combustion engine and method for its production

#55
20140245994
2014-09-04

Internal combustion engine and method for manufacturing the same

#56
20140230775
2014-08-21

Piston for an internal combustion engine

#57
20130255651
2013-10-03

Spark ignition type internal combustion engine

#58
20130118438
2013-05-16

Coated piston and a method of making a coated piston

#59
20130025561
2013-01-31

BOWL RIM AND ROOT PROTECTION FOR ALUMINUM PISTONS

#60
20120318230
2012-12-20

Piston for internal combustion

#61
20120082841
2012-04-05

Heat-insulating structure

#62
20120042859
2012-02-23

Engine combustion chamber structure and manufacturing method thereof

#63
20100307450
2010-12-09

Fuel injection method for a direct-injection auto-ignition internal-combustion engine

#64
20100162986
2010-07-01

Piston for an internal combustion engine and method for its production

#65
20090260594
2009-10-22

IN-CYLINDER FUEL-INJECTION TYPE INTERNAL COMBUSTION ENGINE, PISTON FOR IN-CYLINDER FUEL-INJECTION TYPE INTERNAL COMBUSTION ENGINE AND PROCESS FOR MANUFACTURING PISTON FOR IN-CYLINDER FUEL-INJECTION TYPE INTERNAL COMBUSTION ENGINE

#66
20090000470
2009-01-01

Method of Producing a Piston for an Internal Combustion Engine and Piston for an Internal Combustion Engine

#67
20070261663
2007-11-15

Thermal oxidation protective surface for steel pistons

#68
20070204821
2007-09-06

Intake control apparatus for an engine and method

#69
20070113802
2007-05-24

Piston for internal combustion engine

#70
20070084449
2007-04-19

Method to improve combustion stability in a controlled auto-ignition combustion engine

#71
20070000468
2007-01-04

Coated power cylinder components for diesel engines

#72
20050178354
2005-08-18

Piston-cylinder combination for a combustion engine