Patents-Review.com
ClassID:

140094 ⎘

F02F3/24 - CPC Classification

Classification description:

Pistons  having means for guiding gases in cylinders, e.g. for guiding scavenging charge in two-stroke engines

Recent Application in this class:
#1
20260132756
2026-05-14

PISTON AND INJECTOR FOR REDUCED HEAD THERMAL LOADING

 #2
20250354528
2025-11-20

VALVE SYSTEM FOR TWO-STROKE ENGINE

 #3
20240093659
2024-03-21

Low compression natural gas engine piston bowl for improved combustion stability

 #4
20240068426
2024-02-29

Internal combustion engine for gaseous fuel

 #5
20230399974
2023-12-14

Two-stroke engine and method for operating a two-stroke engine

 #6
20230265810
2023-08-24

Low compression natural gas engine piston bowl for improved combustion stability

 #7
20230193848
2023-06-22

Internal combustion engine for gaseous fuel

 #8
20230133431
2023-05-04

Two-stroke internal combustion engine and engine working machine

 #9
20230128697
2023-04-27

Crankshaft, power unit, two stroke piston engine, and hand-held power tool

 #10
20230037471
2023-02-09

Annular ring groove of a piston

 #11
20230030878
2023-02-02

Piston for an opposed-piston engine

 #12
20220162982
2022-05-26

Engine with combustion chamber

 #13
20220074366
2022-03-10

Piston crown for a combustion system and an associated method thereof

 #14
20220049642
2022-02-17

Engine piston, engine, hand-held tool, and method of manufacturing an engine piston

 #15
20210285543
2021-09-16

Joining support jig

 #16
20210254544
2021-08-19

Two-stroke engine and method for operating a two-stroke engine

 #17
20210207524
2021-07-08

Systems and methods of compression ignition engines

 #18
20210180508
2021-06-17

Diesel engine, motor vehicle and method for reducing heat transfer to a piston of a cylinder of a diesel engine

 #19
20210025351
2021-01-28

Piston crown for a combustion system and an associated method thereof

 #20
20200378335
2020-12-03

Combustion chamber structure for engines

 #21
20200378334
2020-12-03

Combustion chamber structure for engines

 #22
20200362749
2020-11-19

Swirl chamber-type diesel engine

 #23
20200362748
2020-11-19

Swirl chamber-type diesel engine

 #24
20200347798
2020-11-05

Annular ring groove of a piston

 #25
20200232416
2020-07-23

Piston crown for a combustion system and an associated method thereof

 #26
20200141305
2020-05-07

A PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #27
20200123999
2020-04-23

Piston

 #28
20200095953
2020-03-26

Stratified scavenging engine and portable work machine

 #29
20200088130
2020-03-19

Engine and systems for an engine

 #30
20200080468
2020-03-12

DIESEL ENGINE

 #31
20200063644
2020-02-27

DIESEL ENGINE

 #32
20200025064
2020-01-23

Fuel ignition methods for opposed piston engines and related structures

 #33
20200018225
2020-01-16

SPARK-IGNITION INTERNAL COMBUSTION ENGINE

 #34
20190257240
2019-08-22

Two-stroke internal combustion engine

 #35
20190242294
2019-08-08

Diesel engine and method for fuel distribution and combustion in combustion chamber of diesel engine

 #36
20190203634
2019-07-04

Internal combustion engine

 #37
20190186355
2019-06-20

THERMAL BARRIERS FOR ENGINES AND METHODS OF MAKING THE SAME

 #38
20190093598
2019-03-28

Internal combustion engine piston with chamber

 #39
20190078499
2019-03-14

Systems and methods of compression ignition engines

 #40
20190048822
2019-02-14

Piston bowl rim with fatigue resistance

 #41
20190032596
2019-01-31

Piston and engine provided with the same

 #42
20180283555
2018-10-04

Piston sealing system

 #43
20180283314
2018-10-04

Internal combustion engine having piston with deflector channels and complementary cylinder head

 #44
20180223723
2018-08-09

Systems and methods of compression ignition engines

 #45
20180142607
2018-05-24

Spark-ignited direct-injection engine combustion systems

 #46
20180119637
2018-05-03

Piston design for splitting jets

 #47
20180119603
2018-05-03

Piston design for flow re-direction

 #48
20180094570
2018-04-05

Piston with Flame Guiding Passageways

 #49
20180094569
2018-04-05

Piston and cylinder features for enhanced squish flow

 #50
20180051650
2018-02-22

Piston for a two-stroke engine working with advanced scavenging and a two-stroke engine

 #51
20180051649
2018-02-22

Piston for a two-stroke engine operating with advanced scavenging and a two-stroke engine

 #52
20180023454
2018-01-25

Piston

 #53
20170356330
2017-12-14

Combustion chamber structure for direct injection engine

 #54
20170321629
2017-11-09

Cooling channel cover and piston provided with a cooling channel cover

 #55
20170254293
2017-09-07

Two-cycle engine and engine work machine

 #56
20170204777
2017-07-20

Systems and methods of compression ignition engines

 #57
20170167361
2017-06-15

Vehicle engine

 #58
20170145951
2017-05-25

Textured Piston

 #59
20170107937
2017-04-20

Two-stroke engine

 #60
20170089293
2017-03-30

Annular ring groove of a piston

 #61
20160341147
2016-11-24

PISTON TOP PROVIDING STRUCTURAL UNIT

 #62
20160281663
2016-09-29

Fuel control system of engine

 #63
20160258384
2016-09-08

Two-cycle engine

 #64
20160252067
2016-09-01

Opposed piston three nozzle piston bowl design

 #65
20160201597
2016-07-14

Piston assembly for a reciprocating engine

 #66
20160186687
2016-06-30

PISTON OF INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE PROVIDED THEREWITH

 #67
20160177816
2016-06-23

TWO-STROKE ENGINE

 #68
20160097344
2016-04-07

Air leading-type stratified scavenging two-stroke internal-combustion engine

 #69
20160097343
2016-04-07

Air leading-type stratified scavenging two-stroke internal-combustion engine

 #70
20160053712
2016-02-25

Piston for Use in an Engine

 #71
20160040780
2016-02-11

PISTON ASSEMBLY FOR A RECIPROCATING ENGINE

 #72
20160040622
2016-02-11

PISTON ASSEMBLY FOR A RECIPROCATING ENGINE

 #73
20150377117
2015-12-31

Stratified scavenging two-stroke engine

 #74
20150354497
2015-12-10

Piston assembly for a reciprocating engine

 #75
20150345372
2015-12-03

Asymmetric transfer and intake in two-strokes

 #76
20150337756
2015-11-26

INTERNAL COMBUSTION ENGINE

 #77
20150330297
2015-11-19

Two-cycle pneumatic injection engine

 #78
20150260081
2015-09-17

Turbo vortex piston

 #79
20150219007
2015-08-06

Piston and cylinder for two-stroke engine

 #80
20150198114
2015-07-16

PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #81
20150198113
2015-07-16

Piston with reduced top land height and tight top land piston profile

 #82
20150167536
2015-06-18

Combustion chamber structure for engine

 #83
20150053172
2015-02-26

DIESEL COMBUSTION SYSTEM

 #84
20150021861
2015-01-22

ENGINE HAVING PISTON WITH L-SHAPED TIMING RING

 #85
20150013649
2015-01-15

Combustion chamber constructions for opposed-piston engines

 #86
20150007802
2015-01-08

Two-stroke engine

 #87
20140261347
2014-09-18

Internal combustion engine having piston with piston valve and associated method

 #88
20140182571
2014-07-03

Stratified scavenging two-stroke engine

 #89
20140026840
2014-01-30

Piston structure for internal combustion engine

 #90
20130213341
2013-08-22

ENGINE HAVING PISTON WITH L-SHAPED TIMING RING

 #91
20130192556
2013-08-01

Piston for an internal combustion engine

 #92
20130008307
2013-01-10

Piston with an undercrown support feature

 #93
20120304973
2012-12-06

Two-stroke engine

 #94
20120260900
2012-10-18

Stratified scavenging two-cycle engine

 #95
20120186555
2012-07-26

Ducted combustion chamber for direct injection engines and method

 #96
20120097141
2012-04-26

TWO-STROKE ENGINE WITH A COMPRESSED-AIR-ASSISTED FUEL-INJECTION SYSTEM

 #97
20120060788
2012-03-15

Cylinder for a combustion engine and a method for making the same

 #98
20110271932
2011-11-10

Combustion chamber constructions for opposed-piston engines

 #99
20110220059
2011-09-15

TWO-CYCLE COMBUSTION ENGINE

 #100
20110197868
2011-08-18

Two-stroke engine

 #101
20110180054
2011-07-28

Two-stroke internal combustion engine and its scavenging method

 #102
20110083638
2011-04-14

Combustion chamber for fuel injected engines

 #103
20110048366
2011-03-03

Engine and piston

 #104
20100147252
2010-06-17

Piston, cylinder and piston assembly and piston ring for a piston

 #105
20100059030
2010-03-11

Stratified scavenging two-cycle engine

 #106
20100050861
2010-03-04

Piston with a skirt having oil flow slots and method of construction thereof

 #107
20100037877
2010-02-18

Two cycle engine and two cycle engine tool

 #108
20100012106
2010-01-21

Stratified scavenging two-cycle engine

 #109
20090095269
2009-04-16

Two-Cycle Engine

 #110
20090071433
2009-03-19

Reciprocating engine

 #111
20070193548
2007-08-23

Multi-port piston and internal combustion engine

 #112
20070113734
2007-05-24

Piston for a two-stroke engine and a method of making the same

 #113
20060266310
2006-11-30

Two-stroke internal combustion engine

 #114
20060243230
2006-11-02

Two-stroke engine

 #115
20060169225
2006-08-03

Two-stroke internal combustion engine

 #116
20060130784
2006-06-22

Two-stroke internal combustion engine

 #117
20050193967
2005-09-08

Sas piston channel for optimum air scavenging

 #118
20050081819
2005-04-21

Piston structure of engine

 #119
18947759
2026-05-12

Piston and injector for reduced head thermal loading

 #120
17712576
2022-12-06

Low compression natural gas engine piston bowl for improved combustion stability

 #121
17518593
2023-02-07

Multi-port power engine

 #122
17028875
2021-06-22

Cylinder structure of internal combustion engine

 #123
15338651
2018-01-16

Piston design for jet placement

 #124
14887439
2018-04-17

Method and fuel supply system for a progressive impulse internal combustion engine