Patents-Review.com
ClassID:

140066 ⎘

F02F3/003 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20230392564
2023-12-07

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

 #2
20230340924
2023-10-26

MULTI-PART PISTON CONSTRUCTION FOR AN OPPOSED-PISTON ENGINE

 #3
20230340905
2023-10-26

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

 #4
20230088665
2023-03-23

Piston including a composite layer applied to metal substrate

 #5
20220136455
2022-05-05

Tri-weld piston

 #6
20220032371
2022-02-03

Method for producing a piston

 #7
20200347797
2020-11-05

PISTON FOR VEHICLE ENGINE AND METHOD FOR MANUFACTURING THE SAME

 #8
20200208590
2020-07-02

PISTON AND SUPPORT METHOD FOR PISTON RING GROOVE THEREOF

 #9
20200191090
2020-06-18

PISTON ASSEMBLY WITH OPPOSING INJECTION REGIONS FOR AN OPPOSED-PISTON ENGINE

 #10
20200189045
2020-06-18

Remanufactured engine piston and method

 #11
20200173394
2020-06-04

Piston for internal combustion engine

 #12
20200124175
2020-04-23

Piston-integrated gap cover

 #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
20190331222
2019-10-31

PISTON WITH OPTIMIZED OIL RING NEGATION

 #17
20190301395
2019-10-03

WELDED INTEGRAL FORGED STEEL PISTON AND MANUFACTURING PROCESS THEREOF

 #18
20190285024
2019-09-19

Piston for an internal combustion engine

 #19
20190264633
2019-08-29

DUAL GALLERY TWO STROKE PISTON

 #20
20190178202
2019-06-13

Piston Consisting Of An Inner Part And An Outer Part

 #21
20190145345
2019-05-16

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

 #22
20190145344
2019-05-16

Piston

 #23
20190136792
2019-05-09

BIMETALLIC PISTON HEADS INCLUDING THERMAL INSULATION COATINGS

 #24
20190111414
2019-04-18

Bridged bi-aromatic ligands and olefin polymerization catalysts prepared therefrom

 #25
20190061074
2019-02-28

PISTON AND METHOD OF MAKING A PISTON

 #26
20190049008
2019-02-14

Piston-integrated gap cover

 #27
20190024606
2019-01-24

Piston With a Low Overall Height

 #28
20190010892
2019-01-10

PISTON WITH A COOLING CHANNEL INSERT

 #29
20190010891
2019-01-10

Method for producing a piston

 #30
20180372020
2018-12-27

Piston For An Internal Combustion Engine and Production Method Therefore

 #31
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

 #32
20180334992
2018-11-22

Dual gallery steel piston

 #33
20180328311
2018-11-15

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

 #34
20180274480
2018-09-27

Two-Part Piston Having an Open Cooling Channel

 #35
20180252182
2018-09-06

Cooling of a piston by means of sodium-filled tubes

 #36
20180236555
2018-08-23

Steel piston with metallurgically bonded bushing and method of manufacturing

 #37
20180209375
2018-07-26

Piston with anti-coking design features

 #38
20180202387
2018-07-19

Reduced height piston

 #39
20180195610
2018-07-12

Galleryless short compression insulated steel piston

 #40
20180161901
2018-06-14

PISTON FOR VEHICLE ENGINE AND METHOD FOR MANUFACTURING THE SAME

 #41
20180156156
2018-06-07

Piston for vehicle engine and method for manufacturing the same

 #42
20180119635
2018-05-03

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

 #43
20180105903
2018-04-19

Composite Pistons for Rotary Engines

 #44
20180087470
2018-03-29

Piston ring-belt structural reinforcement via additive machining

 #45
20180073462
2018-03-15

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

 #46
20180066603
2018-03-08

One-piece piston featuring addictive machining produced combustion bowl rim and cooling gallery

 #47
20180051805
2018-02-22

Joined connection on a two-part piston and joining method

 #48
20180045137
2018-02-15

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

 #49
20170335793
2017-11-23

Complex-shaped forged piston oil galleries

 #50
20170328302
2017-11-16

PISTON OF TWO-PIECE CONSTRUCTION FOR AN INTERNAL COMBUSTION ENGINE

 #51
20170314506
2017-11-02

COMPLEX-SHAPED PISTON OIL GALLERIES WITH PISTON CROWNS MADE BY CAST METAL OR POWDER METAL PROCESSES

 #52
20170276091
2017-09-28

Segmented piston for internal combustion engine

 #53
20170184052
2017-06-29

Piston including a composite layer applied to a metal substrate

 #54
20170175671
2017-06-22

Piston for an internal combustion engine

 #55
20170173665
2017-06-22

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

 #56
20170159604
2017-06-08

Piston with sealed cooling gallery containing a thermally conductive composition

 #57
20170138297
2017-05-18

Gap geometry in a cohesively joined cooling-channel piston

 #58
20170107936
2017-04-20

Method for producing a piston

 #59
20170107934
2017-04-20

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

 #60
20170074206
2017-03-16

PISTON

 #61
20170072518
2017-03-16

Piston and method of making a piston

 #62
20170058824
2017-03-02

PISTON WITH LOW OVERALL HEIGHT

 #63
20170030291
2017-02-02

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

 #64
20170009700
2017-01-12

Piston thermal management in an opposed-piston engine

 #65
20160305365
2016-10-20

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

 #66
20160305362
2016-10-20

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

 #67
20160288275
2016-10-06

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

 #68
20160281637
2016-09-29

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

 #69
20160281636
2016-09-29

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

 #70
20160258382
2016-09-08

Asymmetric piston

 #71
20160245223
2016-08-25

PISTON FOR AN INTERNAL COMBUSTION ENGINE, AND PRODUCTION METHOD THEREFOR

 #72
20160229007
2016-08-11

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

 #73
20160222913
2016-08-04

Complex-shaped forged piston oil galleries

 #74
20160222911
2016-08-04

Piston with sealed cooling gallery and method of construction thereof

 #75
20160222910
2016-08-04

Piston, method of construction, and piston body portions thereof

 #76
20160222909
2016-08-04

Simple friction weld

 #77
20160186686
2016-06-30

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

 #78
20160186685
2016-06-30

Piston for internal combustion engine

 #79
20160177864
2016-06-23

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

 #80
20160131075
2016-05-12

Welded piston assembly

 #81
20160097342
2016-04-07

Pistons with complex shaped piston crowns and manufacturing processes

 #82
20160061142
2016-03-03

Hybrid induction welding process applied to piston manufacturing

 #83
20160059366
2016-03-03

Piston with thermally insulated crown

 #84
20150345421
2015-12-03

COMBUSTION-CHAMBER BOWL RIM AND OF A COMBUSTION CHAMBER BOWL BASE OF A PISTON OF AN INTERNAL COMBUSTION ENGINE

 #85
20150322887
2015-11-12

Piston for an internal combustion engine

 #86
20150314388
2015-11-05

Magnetic arc welded piston assembly

 #87
20150275820
2015-10-01

Diesel piston with semi-hemispherical crown

 #88
20150247474
2015-09-03

One-piece piston featuring additive machining produced combustion bowl rim and cooling gallery

 #89
20150226151
2015-08-13

PISTON OF TWO-PIECE CONSTRUCTION FOR AN INTERNAL COMBUSTION ENGINE

 #90
20150224589
2015-08-13

METHOD FOR PRODUCING AN ARBITRARY GEOMETRY ON PISTONS OF INTERNAL COMBUSTION ENGINES

 #91
20150176523
2015-06-25

Method for producing a piston

 #92
20150176522
2015-06-25

Piston for internal combustion engines

 #93
20150174679
2015-06-25

Method for producing a piston for an internal combustion engine

 #94
20150167130
2015-06-18

Composite Pistons for Rotary Engines

 #95
20150152807
2015-06-04

PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #96
20150101191
2015-04-16

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

 #97
20150060526
2015-03-05

Method for the production of a piston

 #98
20150059682
2015-03-05

Double welded steel piston with full skirt

 #99
20140352650
2014-12-04

Steel piston with cooling gallery and method of construction thereof

 #100
20140345454
2014-11-27

Piston assembly with multi-piece skirt

 #101
20140331958
2014-11-13

Piston for an internal combustion engine and method for its production

 #102
20140317924
2014-10-30

Method for bonding piston components

 #103
20140261284
2014-09-18

Piston and method of construction thereof

 #104
20140260960
2014-09-18

Welded piston assembly

 #105
20140238232
2014-08-28

Piston assembly with weld support

 #106
20140230774
2014-08-21

Complex-shaped piston oil galleries with piston crowns made by cast metal or powder metal processes

 #107
20140202001
2014-07-24

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

 #108
20140197142
2014-07-17

Monolite piston laser welding spatter control

 #109
20140190443
2014-07-10

Piston for an internal combustion engine and method for its production

 #110
20140137405
2014-05-22

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

 #111
20140109877
2014-04-24

Integrated piston and bridge

 #112
20140096735
2014-04-10

Piston assembly and method of making a piston

 #113
20140000453
2014-01-02

Piston with cooling gallery and closed collar chamber

 #114
20130213218
2013-08-22

Cooling duct piston and method for producing the same

 #115
20130167799
2013-07-04

PROCESS FOR MANUFACTURING A FORMED METALLIC WORK PIECE WITH ARMORING

 #116
20130146017
2013-06-13

One-piece piston with improved combustion bowl rim region and method of manufacture

 #117
20130098316
2013-04-25

Piston for an internal combustion engine

 #118
20130068094
2013-03-21

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

 #119
20130062218
2013-03-14

METHOD FOR PRODUCING AN ARBITRARY GEOMETRY ON PISTONS OF INTERNAL COMBUSTION ENGINES

 #120
20130055969
2013-03-07

Piston for an internal combustion engine

 #121
20130032104
2013-02-07

Piston upper part of an assembled or welded piston with extended cooling spaces

 #122
20130014724
2013-01-17

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

 #123
20130014723
2013-01-17

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

 #124
20130014722
2013-01-17

Piston for an internal combustion engine and method for its production

 #125
20130000590
2013-01-03

METHOD FOR PRODUCING A PISTON FOR AN INTERNAL COMBUSTION ENGINE AND PISTON THAT CAN BE PRODUCED BY MEANS OF SAID METHOD

 #126
20130000483
2013-01-03

Piston with cooling gallery

 #127
20120304956
2012-12-06

PISTON WITH WELD HARDENED RING GROOVE AND METHOD OF CONSTRUCTION THEREOF

 #128
20120279390
2012-11-08

Method for the production of a piston

 #129
20120260882
2012-10-18

Piston and method of making a piston

 #130
20120258007
2012-10-11

Method of assembling a two-piece twist lock piston

 #131
20120240881
2012-09-27

MULTI-PART PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #132
20120222645
2012-09-06

Piston for an internal combustion engine and method for its production

 #133
20120222644
2012-09-06

Piston for an internal combustion engine and method for its production

 #134
20120222632
2012-09-06

Piston for an internal combustion engine

 #135
20120222305
2012-09-06

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

 #136
20120204714
2012-08-16

Method for making a piston with radical producing micro chambers and piston made thereby

 #137
20120192828
2012-08-02

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

 #138
20120180749
2012-07-19

Piston with bi-metallic dome

 #139
20120160204
2012-06-28

Piston for an internal combustion engine

 #140
20120160203
2012-06-28

Piston for an internal combustion engine

 #141
20120151766
2012-06-21

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

 #142
20120131795
2012-05-31

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

 #143
20120103298
2012-05-03

Method and device for producing a piston fro an internal combustion engine and piston for internal combustion engine

 #144
20120085228
2012-04-12

Diesel piston with bi-metallic dome

 #145
20120080005
2012-04-05

Multi-part piston for an internal combustion engine

 #146
20120080004
2012-04-05

Piston assembly

 #147
20120037115
2012-02-16

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

 #148
20120037114
2012-02-16

Piston for an internal combustion engine

 #149
20120037113
2012-02-16

Piston for an internal combustion engine and method for its production

 #150
20120037112
2012-02-16

Steel piston with cooling gallery and method of construction thereof

 #151
20120037111
2012-02-16

Piston for an internal combustion engine and method for its production

 #152
20120024255
2012-02-02

Piston for an internal combustion engine

 #153
20120000439
2012-01-05

Piston for an internal combustion engine

 #154
20110265326
2011-11-03

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

 #155
20110197845
2011-08-18

PISTON ASSEMBLY

 #156
20110197758
2011-08-18

Piston assembly

 #157
20110192359
2011-08-11

Piston cooling apparatus

 #158
20110192023
2011-08-11

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

 #159
20110186003
2011-08-04

Method for producing a piston for an internal combustion engine and piston for an internal combustion engine

 #160
20110185889
2011-08-04

PISTON WITH CENTRAL COOLING GALLERY COOLING FEATURE

 #161
20110167632
2011-07-14

DEVICE AND METHOD FOR MACHINING AND ASSEMBLING A PISTON

 #162
20110155091
2011-06-30

INLAY PART FOR A PISTON OF AN INTERNAL COMBUSTION ENGINE AND PISTON OR PISTON HEAD PROVIDED WITH THE INLAY PART

 #163
20110154984
2011-06-30

Piston for an Internal-Combustion Engine and Method for Manufacturing a Piston of this Type

 #164
20110146074
2011-06-23

Reinforced dual gallery piston and method of construction

 #165
20110132971
2011-06-09

Method of friction welding of a piston having a cooling duct

 #166
20110107997
2011-05-12

Steel piston with cooling gallery and method of construction thereof

 #167
20110107910
2011-05-12

Piston with blow-by feature and method of preventing catastrophic failure to an internal combustion engine

 #168
20110100317
2011-05-05

Weight balanced internal combustion engine piston

 #169
20110083633
2011-04-14

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

 #170
20110048365
2011-03-03

Monobloc piston with a low friction skirt

 #171
20110030645
2011-02-10

Low thermal conductivity piston and method of construction thereof

 #172
20110030214
2011-02-10

PISTON ASSEMBLY MULTIPLE STEP FORMING PROCESS

 #173
20100319648
2010-12-23

PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #174
20100307445
2010-12-09

Two-part piston for an internal combustion engine

 #175
20100300417
2010-12-02

INTERNAL COMBUSTION ENGINE HAVING A TRANSITIONALLY SEGREGATED COMBUSTION CHAMBER

 #176
20100299922
2010-12-02

COOLING DUCT PISTON FOR AN INTERNAL COMBUSTION ENGINE

 #177
20100275873
2010-11-04

SIMPLE FRICTIONAL WELD

 #178
20100275861
2010-11-04

Piston having a central cooling gallery with a contoured flange

 #179
20100258064
2010-10-14

Piston with crown cooling nozzle

 #180
20100218673
2010-09-02

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

 #181
20100122681
2010-05-20

Two-Part piston for an internal combusion engine

 #182
20100108017
2010-05-06

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

 #183
20100108016
2010-05-06

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

 #184
20100108015
2010-05-06

Multi-part piston for an internal combustion engine

 #185
20100108001
2010-05-06

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

 #186
20100108000
2010-05-06

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

 #187
20100107999
2010-05-06

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

 #188
20100107868
2010-05-06

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

 #189
20100101527
2010-04-29

LOAD-OPTIMIZED INTERIOR OF A PISTON

 #190
20100050862
2010-03-04

Piston for an internal combustion engine

 #191
20100050861
2010-03-04

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

 #192
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

 #193
20100006055
2010-01-14

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

 #194
20090288618
2009-11-26

Piston for internal combustion engine

 #195
20090194059
2009-08-06

Piston for an internal combustion engine and method for its production

 #196
20090158925
2009-06-25

Method for attaching a ring element to a piston for an internal combustion engine

 #197
20090151555
2009-06-18

Piston with a cooling gallery

 #198
20090071001
2009-03-19

Method for producing piston for internal-combustion engine

 #199
20090044697
2009-02-19

Piston with a skirt having oil flow slots

 #200
20090020007
2009-01-22

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

 #201
20080314240
2008-12-25

Two-piece twist lock piston

 #202
20080245231
2008-10-09

Piston, Especially Cooling Channel Piston, of an Internal Combustion Engine, Comprising Three Friction Welded Zones

 #203
20080229923
2008-09-25

Piston, especially cooling channel piston, comprising three friction-welded zones

 #204
20080134880
2008-06-12

Multi-part piston for a combustion engine

 #205
20080134879
2008-06-12

Piston with a lightweight construction that is subjected to high thermal stress

 #206
20080121205
2008-05-29

Piston For A Combustion Engine

 #207
20080110335
2008-05-15

Method of making a piston

 #208
20080110180
2008-05-15

Thermoacoustic Device

 #209
20080041333
2008-02-21

Engine piston having an insulating air gap

 #210
20070295299
2007-12-27

Piston for a combustion engine

 #211
20070289568
2007-12-20

Two-part piston for an internal combustion engine

 #212
20070283917
2007-12-13

Piston for a combustion engine

 #213
20070107215
2007-05-17

Method for producing a piston for an internal combustion engine

 #214
20070079775
2007-04-12

Welding Forged Steel Single Piece Piston and Its Manufacturing Methods

 #215
20060278180
2006-12-14

Piston for an internal combustion engine

 #216
20060207424
2006-09-21

Piston and method of manufacture

 #217
20060151573
2006-07-13

Method for producing a cooled ring carrier

 #218
20060016330
2006-01-26

Monobloc piston having open floor

 #219
20050092739
2005-05-05

Piston and method of manufacture

 #220
20050092279
2005-05-05

Engine piston and manufacture

 #221
20050034598
2005-02-17

Multi-axially forged piston

 #222
17406582
2022-04-26

Piston with enhanced undercrown cooling