Patents-Review.com
ClassID:

140070 ⎘

F02F2003/0061 - CPC Classification

Classification description:

Pistons ; Multi-part pistons the parts being connected by casting, brazing, welding or clamping by welding

Recent Application in this class:
#1
20240318610
2024-09-26

STEEL PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #2
20230392564
2023-12-07

Piston assembly with opposing injection regions for an opposed-piston engine

 #3
20230340924
2023-10-26

MULTI-PART PISTON CONSTRUCTION FOR AN OPPOSED-PISTON ENGINE

 #4
20230088665
2023-03-23

Piston including a composite layer applied to metal substrate

 #5
20220364524
2022-11-17

PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #6
20220307444
2022-09-29

Piston of an internal combustion engine

 #7
20220260033
2022-08-18

Steel piston having oxidation and erosion protection

 #8
20220136455
2022-05-05

Tri-weld piston

 #9
20200208590
2020-07-02

PISTON AND SUPPORT METHOD FOR PISTON RING GROOVE THEREOF

 #10
20200189045
2020-06-18

Remanufactured engine piston and method

 #11
20200173394
2020-06-04

Piston for internal combustion engine

 #12
20200132016
2020-04-30

Piston of an internal-combustion engine

 #13
20200123998
2020-04-23

Piston having an undercrown surface with coating and method of manufacture thereof

 #14
20200040841
2020-02-06

Piston including a composite layer applied to a metal substrate

 #15
20200018256
2020-01-16

MULTI-PART PISTON CONSTRUCTION FOR AN OPPOSED-PISTON ENGINE

 #16
20190368606
2019-12-05

Piston with cooling oil diverter

 #17
20190301395
2019-10-03

WELDED INTEGRAL FORGED STEEL PISTON AND MANUFACTURING PROCESS THEREOF

 #18
20190264633
2019-08-29

DUAL GALLERY TWO STROKE PISTON

 #19
20190178202
2019-06-13

Piston Consisting Of An Inner Part And An Outer Part

 #20
20190145345
2019-05-16

Reduced compression height dual gallery piston, piston assembly therewith and methods of construction thereof

 #21
20190145344
2019-05-16

Piston

 #22
20190136792
2019-05-09

BIMETALLIC PISTON HEADS INCLUDING THERMAL INSULATION COATINGS

 #23
20190111414
2019-04-18

Bridged bi-aromatic ligands and olefin polymerization catalysts prepared therefrom

 #24
20190024606
2019-01-24

Piston With a Low Overall Height

 #25
20190010892
2019-01-10

PISTON WITH A COOLING CHANNEL INSERT

 #26
20180369955
2018-12-27

Method for producing a piston for an internal combustion engine consisting of a piston upper part and of a piston lower part

 #27
20180334992
2018-11-22

Dual gallery steel piston

 #28
20180328311
2018-11-15

Heat Input Zone Of A Piston, Having A Groove Flank Positioned In Said Heat Input Zone

 #29
20180274480
2018-09-27

Two-Part Piston Having an Open Cooling Channel

 #30
20180236555
2018-08-23

Steel piston with metallurgically bonded bushing and method of manufacturing

 #31
20180202387
2018-07-19

Reduced height piston

 #32
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

 #33
20180119636
2018-05-03

Method for manufacturing a piston

 #34
20180119635
2018-05-03

PISTON WITH MULTI-ARCUATE CROSS-SECTION AND LUBRICANT EXHAUST APERTURE

 #35
20180073462
2018-03-15

Piston for internal combustion engine having high temperature-capable crown piece

 #36
20180045137
2018-02-15

INTERNAL COMBUSTION ENGINE PISTON HAVING COOLING GALLERY STRUCTURE AND INTERNAL COMBUSTION ENGINE

 #37
20170335793
2017-11-23

Complex-shaped forged piston oil galleries

 #38
20170328302
2017-11-16

PISTON OF TWO-PIECE CONSTRUCTION FOR AN INTERNAL COMBUSTION ENGINE

 #39
20170284334
2017-10-05

Piston with thermally insulating insert and method of construction thereof

 #40
20170276091
2017-09-28

Segmented piston for internal combustion engine

 #41
20170211459
2017-07-27

Piston with cooling gallery radiator and method of construction thereof

 #42
20170184052
2017-06-29

Piston including a composite layer applied to a metal substrate

 #43
20170175671
2017-06-22

Piston for an internal combustion engine

 #44
20170173665
2017-06-22

Method of Producing a Cooling Channel System for Internal Combustion Engines and Piston Produced in This Way

 #45
20170159604
2017-06-08

Piston with sealed cooling gallery containing a thermally conductive composition

 #46
20170138297
2017-05-18

Gap geometry in a cohesively joined cooling-channel piston

 #47
20170107936
2017-04-20

Method for producing a piston

 #48
20170107934
2017-04-20

Method for producing a piston for an internal combustion engine and piston produced by means of said method

 #49
20170074206
2017-03-16

PISTON

 #50
20170058824
2017-03-02

PISTON WITH LOW OVERALL HEIGHT

 #51
20170030291
2017-02-02

Elongate cooling channel inlet for cooling channel pistons and method for operating

 #52
20170009700
2017-01-12

Piston thermal management in an opposed-piston engine

 #53
20160305365
2016-10-20

PISTON WITH COMPLEX SHAPED COMBUSTION BOWL AND COOLING GALLERY AND METHOD OF CONSTRUCTION THEREOF

 #54
20160305362
2016-10-20

Piston with multi-arcuate cross-section and lubricant exhaust aperture

 #55
20160288275
2016-10-06

Method for producing a piston for an internal combustion engine and piston produced by said method

 #56
20160281637
2016-09-29

Method for producing a piston for an internal combustion engine and piston produced by said method

 #57
20160281636
2016-09-29

Method for producing a piston for an internal combustion engine and piston produced by said method

 #58
20160258382
2016-09-08

Asymmetric piston

 #59
20160229007
2016-08-11

Method for the production of a piston for an internal combustion engine

 #60
20160222913
2016-08-04

Complex-shaped forged piston oil galleries

 #61
20160222912
2016-08-04

Piston with cooling gallery cooling insert and method of construction thereof

 #62
20160222911
2016-08-04

Piston with sealed cooling gallery and method of construction thereof

 #63
20160222910
2016-08-04

Piston, method of construction, and piston body portions thereof

 #64
20160222909
2016-08-04

Simple friction weld

 #65
20160208735
2016-07-21

Complex-shaped forged piston oil galleries

 #66
20160186686
2016-06-30

Reduced compression height dual gallery piston, piston assembly therewith and methods of construction thereof

 #67
20160177865
2016-06-23

Piston with cooling gallery having enhanced oil inlet and method of construction thereof

 #68
20160131075
2016-05-12

Welded piston assembly

 #69
20160061142
2016-03-03

Hybrid induction welding process applied to piston manufacturing

 #70
20150322887
2015-11-12

Piston for an internal combustion engine

 #71
20150314388
2015-11-05

Magnetic arc welded piston assembly

 #72
20150275820
2015-10-01

Diesel piston with semi-hemispherical crown

 #73
20150226151
2015-08-13

PISTON OF TWO-PIECE CONSTRUCTION FOR AN INTERNAL COMBUSTION ENGINE

 #74
20150176523
2015-06-25

Method for producing a piston

 #75
20150176522
2015-06-25

Piston for internal combustion engines

 #76
20150174679
2015-06-25

Method for producing a piston for an internal combustion engine

 #77
20150159584
2015-06-11

Particular arrangement of a cooling duct connecting bore of a cooling duct

 #78
20150101191
2015-04-16

Method for the production of a piston for an internal combustion engine

 #79
20150060526
2015-03-05

Method for the production of a piston

 #80
20150059682
2015-03-05

Double welded steel piston with full skirt

 #81
20140352650
2014-12-04

Steel piston with cooling gallery and method of construction thereof

 #82
20140305401
2014-10-16

Two-part steel piston for internal combustion engines

 #83
20140261284
2014-09-18

Piston and method of construction thereof

 #84
20140260960
2014-09-18

Welded piston assembly

 #85
20140238232
2014-08-28

Piston assembly with weld support

 #86
20140230646
2014-08-21

Complex-shaped forged piston oil galleries

 #87
20140202404
2014-07-24

Piston and method of making a piston

 #88
20140197142
2014-07-17

Monolite piston laser welding spatter control

 #89
20140102294
2014-04-17

Piston with cooling gallery and cooling gallery fins

 #90
20140090625
2014-04-03

Piston thermal management in an opposed-piston engine

 #91
20130276740
2013-10-24

Two-piece friction-welded piston

 #92
20130098316
2013-04-25

Piston for an internal combustion engine

 #93
20130068096
2013-03-21

Laser welded piston assembly

 #94
20130068094
2013-03-21

Piston having dual gallery, method of construction, and piston body portions thereof

 #95
20130014724
2013-01-17

Method for the production of a piston for an internal combustion engine and piston for an internal combustion engine

 #96
20130014723
2013-01-17

METHOD FOR THE PRODUCTION OF A PISTON FOR AN INTERNAL COMBUSTION ENGINE AND PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #97
20120279390
2012-11-08

Method for the production of a piston

 #98
20120222645
2012-09-06

Piston for an internal combustion engine and method for its production

 #99
20120222305
2012-09-06

Method for the production of a piston for an internal combustion engine

 #100
20120145112
2012-06-14

Piston for an internal combustion engine and method for its production

 #101
20120131795
2012-05-31

METHOD FOR THE PRODUCTION OF A MULTI-PART PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #102
20120080004
2012-04-05

Piston assembly

 #103
20120037113
2012-02-16

Piston for an internal combustion engine and method for its production

 #104
20120037112
2012-02-16

Steel piston with cooling gallery and method of construction thereof

 #105
20120037111
2012-02-16

Piston for an internal combustion engine and method for its production

 #106
20110265326
2011-11-03

METHOD FOR MANUFACTURING SINGLE-PIECE FORGED-STEEL PISTON WITH INNER OIL COOLING CHAMBER

 #107
20110185889
2011-08-04

PISTON WITH CENTRAL COOLING GALLERY COOLING FEATURE

 #108
20110146074
2011-06-23

Reinforced dual gallery piston and method of construction

 #109
20110132971
2011-06-09

Method of friction welding of a piston having a cooling duct

 #110
20110107997
2011-05-12

Steel piston with cooling gallery and method of construction thereof

 #111
20110100317
2011-05-05

Weight balanced internal combustion engine piston

 #112
20100275873
2010-11-04

SIMPLE FRICTIONAL WELD

 #113
20100218673
2010-09-02

Piston with central directional oil flow and wrist pin lubrication feature and method of construction thereof

 #114
20100108016
2010-05-06

Multi-part piston for an internal combustion engine and method for its production

 #115
20100108000
2010-05-06

Multi-part piston for an internal combustion engine and method for its production

 #116
20100107998
2010-05-06

Multi-part piston for an internal combustion engine

 #117
20100101527
2010-04-29

LOAD-OPTIMIZED INTERIOR OF A PISTON

 #118
20100050861
2010-03-04

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

 #119
20100037765
2010-02-18

METHOD FOR THE PRODUCTION OF A PISTON OF AN INTERNAL COMBUSTION ENGINE IN ORDER TO FORM A REINFORCEMENT OF A COMBUSTION CHAMBER CAVITY OF THE PISTON

 #120
20090288632
2009-11-26

Piston for an internal combustion engine and method for its production

 #121
20090220820
2009-09-03

METHOD OF FRICTION WELDING AND FRICTION WELDED PART WITH AT LEAST TWO FRICTION WELD POINTS

 #122
20090178640
2009-07-16

Cast steel piston for internal combustion engines

 #123
20090020007
2009-01-22

SINGLE-PIECE FORGED-STEEL PISTON WITH INNER OIL COOLING CHAMBER AND A METHOD FOR MANUFACTURING THEREOF

 #124
20080250640
2008-10-16

Method for producing a piston for an internal combustion engine and the thus produced piston

 #125
20080041333
2008-02-21

Engine piston having an insulating air gap

 #126
20060096557
2006-05-11

Monosteel piston having oil drainage groove with enhanced drainage features

 #127
20050092739
2005-05-05

Piston and method of manufacture

 #128
18445812
2025-02-04

Method for making a lightweight internal combustion engine piston with micro chambers

 #129
17406582
2022-04-26

Piston with enhanced undercrown cooling