ClassID:

140026

F02F1/20 - CPC Classification

Classification description:

Cylinders; Cylinder heads ; Other cylinders characterised by constructional features providing for lubrication

Recent Application in this class:
#1
20250188855
2025-06-12

Two-Stroke Engine, Lubrication Device, and Cylinder

#2
20240328344
2024-10-03

Internal combustion engine and cylinder block

#3
20230193847
2023-06-22

Cylinder liner and cylinder bore

#4
20220186677
2022-06-16

Method for preventing accumulation of cylinder oil at scavenging ports of low-speed marine engine

#5
20220025829
2022-01-27

Cylinder liner and manufacturing method for same

#6
20210131487
2021-05-06

Bearing assembly

#7
20210003048
2021-01-07

Method for lubricating a large slow-running two-stroke engine with SIP lubricant injector

#8
20200400094
2020-12-24

Methods for reducing oil sticking on surfaces of internal combustion engines

#9
20200325844
2020-10-15

Sliding structure for internal combustion engine, method for controlling idling operation, and method for controlling operation of internal combustion engine

#10
20200072099
2020-03-05

Cylinder block structure for engine

#11
20200049099
2020-02-13

Member having sliding contact surface

#12
20190264634
2019-08-29

Internal combustion engine having structural frame

#13
20190193372
2019-06-27

Friction reduction for engine components

#14
20190145346
2019-05-16

Engine cylinder block

#15
20190101078
2019-04-04

CYLINDER, METHOD FOR FINISHING A CYLINDER, RECIPROCATING PISTON SYSTEM AND USE OF A RECIPROCATING PISTON SYSTEM

#16
20190085739
2019-03-21

Lubrication structure of internal combustion engine

#17
20180313239
2018-11-01

Large slow-running two-stroke engine with sip lubricant injector

#18
20180283312
2018-10-04

Internal combustion engine

#19
20180209541
2018-07-26

Piston ring and its production method

#20
20180195423
2018-07-12

Oil drain for an internal combustion engine

#21
20180149109
2018-05-31

Cylinder bore for a cylinder housing of an internal combustion engine, and arrangement having a cylinder bore and a piston

#22
20180087468
2018-03-29

Cylinder bore with surface characteristics for improved tribological properties, and method

#23
20180066602
2018-03-08

ENGINE HAVING SHEARING RESISTANCE REDUCTION PATTERNS

#24
20170370322
2017-12-28

Internal combustion engine, especially reciprocating internal combustion engine

#25
20170350324
2017-12-07

V engine having valve property varying mechanism

#26
20170211506
2017-07-27

Machine with reduced cylinder friction

#27
20170204842
2017-07-20

Reciprocating machine with cylinder having collector groove

#28
20170167430
2017-06-15

Cylinder liner for an internal combustion engine

#29
20170145947
2017-05-25

THERMAL MANAGEMENT OF COMBUSTION ENGINES

#30
20170074207
2017-03-16

Internal combustion engine having structural frame

#31
20170074205
2017-03-16

Lubrication circuit and method of forming

#32
20170009888
2017-01-12

Machine with reduced cylinder friction

#33
20170002703
2017-01-05

Combined oil filter and restrictor assembly

#34
20160312738
2016-10-27

Lightweight internal combustion engine with a ferrous reinforced cylinder block

#35
20160305014
2016-10-20

PROCESS FOR COATING A CYLINDER OF AN INTERNAL COMBUSTION ENGINE AND ENGINE CYLINDER/LINER

#36
20160290278
2016-10-06

IMPROVED THERMAL MANAGEMENT OF COMBUSTION ENGINES

#37
20160289856
2016-10-06

Method for producing a coated surface of a tribological system

#38
20160177863
2016-06-23

Iron-based sprayed coating, cylinder block for internal combustion engine using same, and sliding mechanism for internal combustion engine

#39
20160153392
2016-06-02

Sliding assembly

#40
20160053708
2016-02-25

Cylinder liner having annular coolant circulation groove

#41
20150354496
2015-12-10

Piston assembly for a reciprocating engine

#42
20150322888
2015-11-12

Engine block

#43
20150184563
2015-07-02

Cylinder lubrication system for two-stroke engine

#44
20150176518
2015-06-25

Cylinder for application on an internal combustion engine

#45
20150167513
2015-06-18

LUBRICATION SYSTEM FOR ENGINES

#46
20150144090
2015-05-28

Engine having cylinder block

#47
20150144089
2015-05-28

Insert and internal combustion engine comprising insert

#48
20150136062
2015-05-21

Combination of cylinder and piston ring

#49
20150090210
2015-04-02

Cam bearing lubrication structure for internal combustion engine

#50
20150000621
2015-01-01

Internal combustion engine having structural frame

#51
20140345453
2014-11-27

Cylinder device having improved wear resistance through optimal arrangement of fine textures

#52
20140170377
2014-06-19

Friction reduction for engine components

#53
20140144404
2014-05-29

Method for producing a cylinder liner surface and cylinder liner

#54
20140109862
2014-04-24

Cylinder lubrication system

#55
20140102399
2014-04-17

Engine component

#56
20130319365
2013-12-05

Method for in-situ forming of low friction coatings on engine cylinder bores

#57
20130252860
2013-09-26

Sliding structural members

#58
20130220113
2013-08-29

Cylinder formed with uneven pattern on surface of inner wall

#59
20130213222
2013-08-22

Piston ring for an internal combustion engine

#60
20130213220
2013-08-22

Piston ring for an internal combustion engine

#61
20130199503
2013-08-08

Opposed-piston cylinder bore constructions with solid lubrication in the top ring reversal zones

#62
20130068188
2013-03-21

ARRANGEMENT IN A COMBUSTION ENGINE

#63
20130000550
2013-01-03

Thermal metal spraying apparatus

#64
20120227718
2012-09-13

FLEXIBLE ANTI-CRACK SLIP-SURFACE CERAMIC ENGINE CYLINDER SLEEVE

#65
20120227699
2012-09-13

LINERLESS ENGINE

#66
20120216771
2012-08-30

Internal combustion engine having a crankcase and method for producing a crankcase

#67
20120186561
2012-07-26

Oil retention in the bore/piston interfaces of ported cylinders in opposed-piston engines

#68
20120167855
2012-07-05

Cylinder block assembly

#69
20120167854
2012-07-05

Cylinder block assembly

#70
20120167853
2012-07-05

Structural frame

#71
20120167852
2012-07-05

Cylinder block assembly

#72
20120167851
2012-07-05

Cylinder block assembly

#73
20120167844
2012-07-05

Cylinder block

#74
20120137970
2012-06-07

SURFACE TREATMENT DEVICE FOR CYLINDER BARREL

#75
20120132069
2012-05-31

CYLINDER BORE FORMED WITH OIL POCKETS

#76
20110239976
2011-10-06

CYLINDER BORE AND METHOD FOR PRODUCING THE SAME

#77
20110232478
2011-09-29

CYLINDER LINER

#78
20110203546
2011-08-25

Power assembly for internal combustion engine with welded-in piston scraper

#79
20110154983
2011-06-30

Cylinder sleeve

#80
20100326270
2010-12-30

Process for roughening metal surfaces

#81
20100319647
2010-12-23

COMBINATION STRUCTURE OF PISTON RING AND CYLINDER LINER FOR INTERNAL COMBUSTION ENGINE

#82
20100307443
2010-12-09

Zero ridge cylinder bore

#83
20100288222
2010-11-18

Cylinder

#84
20100229822
2010-09-16

ENGINE COMPONENT PART AND METHOD FOR PRODUCING THE SAME

#85
20090305917
2009-12-10

Sliding material and sliding member using the sliding material

#86
20090241770
2009-10-01

Power assembly for internal combustion engine with welded-in piston scraper

#87
20090151689
2009-06-18

Internal combustion engine component and method for producing the same

#88
20090090325
2009-04-09

Piston skirt oil retention for an internal combustion engine

#89
20080163846
2008-07-10

Engine component part and method for producing the same

#90
20080066726
2008-03-20

Ceramic engine cylinder assembly of a car

#91
20080017160
2008-01-24

Engine

#92
20070298691
2007-12-27

Micro-concave portion machining method

#93
20070234994
2007-10-11

Scuff resistant aluminum piston and aluminum cylinder bore combination and method of making

#94
20070102300
2007-05-10

Method for ceramic electroplating a cylinder assembly of an internal combustion engine

#95
20070101967
2007-05-10

ENGINE AND A METHOD OF MAKING SAME

#96
20070099015
2007-05-03

Composite sliding surfaces for sliding members

#97
20070012173
2007-01-18

Engine component part and method for producing the same

#98
20070000129
2007-01-04

Cylinder liner, method for the production thereof and a combined

#99
20060288579
2006-12-28

Method of making a sliding bearing

#100
20060278071
2006-12-14

Internal combustion engine

#101
20060130324
2006-06-22

Method for fine machining cylindrical inner surfaces

#102
20050199196
2005-09-15

High strength steel cylinder liner for diesel engine

#103
20050188944
2005-09-01

Optimized low emission two-stroke internal combustion diesel engine

#104
20050161019
2005-07-28

Engine and a method of making same

#105
20050016489
2005-01-27

Method of producing coated engine components

#106
17095488
2022-04-19

Piston design feature to minimize periodic second land pressure variation