ClassID:

40109

B22F5/008 - CPC Classification

Classification description:

Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of engine cylinder parts or of piston parts other than piston rings

Recent Application in this class:
#1
20250353079
2025-11-20

METHODS FOR MANUFACTURING ADDITIVELY MANUFACTURED STRUCTURES FOR INTERNAL COMBUSTION ENGINES AND SAID ADDITIVELY MANUFACTURED STRUCTURES

#2
20230399961
2023-12-14

Cylinder head blank and cylinder head manufacturing method

#3
20230202121
2023-06-29

METHOD FOR ASSEMBLING A FIRST METAL PART WITH A SECOND PART MADE OF AN ORGANIC MATRIX COMPOSITE MATERIAL, AND PIECE MADE FROM SUCH AN ASSEMBLY

#4
20230184199
2023-06-15

Structure for assembling a piece comprising a first metal part and a second part made of an organic matrix composite material

#5
20220349487
2022-11-03

Sintered valve seat insert and method of manufacture thereof

#6
20220252157
2022-08-11

Piston pin and manufacturing method thereof

#7
20220170138
2022-06-02

ALUMINUM ALLOY FOR CASTING AND ADDITIVE MANUFACTURING OF ENGINE COMPONENTS FOR HIGH TEMPERATURE APPLICATIONS

#8
20220082063
2022-03-17

Piston with insulating air gap formed by additive manufacturing

#9
20220042177
2022-02-10

Coating method

#10
20220032371
2022-02-03

Method for producing a piston

#11
20210394266
2021-12-23

Method for the production of a cylinder head for an internal combustion engine

#12
20210356049
2021-11-18

Poppet valve and method of manufacturing valve components of a poppet valve

#13
20210324913
2021-10-21

Sliding member and member for internal combustion engine

#14
20210215071
2021-07-15

Iron-based sintered alloy valve seat for internal combustion engine

#15
20210170478
2021-06-10

Powder metal alloy composition for sintered powder metal insert for aluminum casting

#16
20210088215
2021-03-25

Casing integrated fluid distribution system

#17
20210078073
2021-03-18

COPPER ALLOY COMPOSITIONS HAVING ENHANCED THERMAL CONDUCTIVITY AND WEAR RESISTANCE

#18
20210010112
2021-01-14

Hard particles and sintered sliding member using the same

#19
20200408097
2020-12-31

Rotary compressor having a combined vane-roller structure including a ferrosoferric oxide film on a surface of a coupling groove of the roller

#20
20200392995
2020-12-17

Method of forming a powder metal insert having a horizontal through hole and method of casting same into an engine component

#21
20200384540
2020-12-10

Roll stand

#22
20200376544
2020-12-03

POWDER METALLURGICALLY PRODUCED COMPONENT

#23
20200353538
2020-11-12

Method for forming center link of connecting rod for variable displacement engine

#24
20200340424
2020-10-29

Piston with insulating air gap formed by additive manufacturing

#25
20200331054
2020-10-22

END PIECE FOR CAMSHAFT

#26
20200290127
2020-09-17

Method for manufacture a metallic component by pre-manufactured bodies

#27
20200208840
2020-07-02

Gas turbine combustor liner with integral chute made by additive manufacturing process

#28
20200165945
2020-05-28

Valve guide made of iron-based sintered alloy and method of producing same

#29
20200141399
2020-05-07

Lattice-cored additive manufactured compressor components with fluid delivery features

#30
20200132014
2020-04-30

Thermally enhanced exhaust port liner

#31
20200130060
2020-04-30

Methods for manufacturing connecting rod assemblies and crankshaft assemblies

#32
20200071803
2020-03-05

SINTERED STEEL ALLOY FOR WEAR RESISTANCE AT HIGH TEMPERATURES AND FABRICATION METHOD OF VALVE-SEAT USING THE SAME

#33
20190381570
2019-12-19

Method for producing a powder-metallurgical product

#34
20190262904
2019-08-29

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

#35
20190247921
2019-08-15

METHODS FOR ADDITIVELY MANUFACTURING TURBINE ENGINE COMPONENTS VIA BINDER JET PRINTING WITH NICKEL-CHROMIUM-TUNGSTEN-MOLYBDENUM ALLOYS

#36
20190168306
2019-06-06

Cam follower roller device, notably for a fuel injection pump

#37
20190119788
2019-04-25

Nanocrystalline high temperature machine parts

#38
20190107010
2019-04-11

Camshaft device and method for manufacturing camshaft device

#39
20190105714
2019-04-11

Method for producing a valve seat ring by powder metallurgy

#40
20190085983
2019-03-21

Additively manufactured valve assembly

#41
20180287351
2018-10-04

Spark plug

#42
20180283234
2018-10-04

Sintered valve seat

#43
20180272429
2018-09-27

Methods for Additive Manufacturing of a Single Piece Piston

#44
20180236555
2018-08-23

Steel piston with metallurgically bonded bushing and method of manufacturing

#45
20180209311
2018-07-26

Tribological system, comprising a valve seat ring and a valve

#46
20180200823
2018-07-19

Methods for manufacturing a rotor assembly for an electrical machine

#47
20180200799
2018-07-19

METHOD OF MANUFACTURING A COMPONENT

#48
20180185920
2018-07-05

LEVER FOR ACTUATING GAS EXCHANGE VALVES OF AN INTERNAL COMBUSTION ENGINE

#49
20180171836
2018-06-21

VALVE GUIDE

#50
20180163579
2018-06-14

Valve seat insert

#51
20180161846
2018-06-14

End piece for camshaft and method of manufacturing the same

#52
20180154449
2018-06-07

Method for producing a swashplate

#53
20170284333
2017-10-05

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

#54
20170274456
2017-09-28

Method of producing insulating three-dimensional (3D) structures using 3D printing

#55
20170157672
2017-06-08

Method for producing a porous shaped body

#56
20170145875
2017-05-25

Sintered valve seat and its production method

#57
20170130669
2017-05-11

ALLOY POWDER COMPOSITION FOR CONNECTING ROD AND METHOD OF MANUFACTURING CONNECTING ROD USING THE SAME

#58
20170089228
2017-03-30

Valve seat of sintered iron-based alloy

#59
20170074399
2017-03-16

LIGHTWEIGHT PISTON PIN AND METHOD FOR MANUFACTURING THE LIGHTWEIGHT PISTON PIN

#60
20170047712
2017-02-16

Spark plug

#61
20170021423
2017-01-26

Method for manufacturing a metallic component by pre-manufactured bodies

#62
20160363221
2016-12-15

High vibration pneumatic piston assembly made from additive manufacturing

#63
20160348629
2016-12-01

FUEL INJECTOR

#64
20160333456
2016-11-17

Valve seat

#65
20160279711
2016-09-29

Method for manufacturing a valve spindle

#66
20160223018
2016-08-04

SINTERED BEARING FOR FUEL PUMP AND METHOD OF MANUFACTURING SAME

#67
20160201527
2016-07-14

Valve seat

#68
20160193659
2016-07-07

Green compact of sintered connecting rod using different kind of powder and method of manufacturing the same

#69
20160175927
2016-06-23

Insert part that can be infiltrated

#70
20160160700
2016-06-09

SINTERED ALLOY VALVE GUIDE AND ITS PRODUCTION METHOD

#71
20160121400
2016-05-05

Method for manufacturing a titanium-aluminum alloy part

#72
20150337694
2015-11-26

Exhaust valve spindle for an exhaust valve in an internal combustion engine

#73
20150292491
2015-10-15

Pump Element for a Hydraulic Unit having a Pump Piston

#74
20150275343
2015-10-01

Iron-base sintered alloy material for valve seat insert and method for manufacturing the same

#75
20150267812
2015-09-24

Piston housing system and apparatus

#76
20150252750
2015-09-10

Piston

#77
20150132176
2015-05-14

Method for the production of a metal bearing layer on a cylinder barrel of a hydrostatic displacement machine

#78
20150047596
2015-02-19

Valve seat

#79
20140299091
2014-10-09

Piston made using additive manufacturing techniques

#80
20140212317
2014-07-31

Method of manufacturing a wall

#81
20140141282
2014-05-22

Multi-layer slide member

#82
20140008562
2014-01-09

Exhaust valve spindle for an exhaust valve in an internal combustion engine

#83
20130306019
2013-11-21

High-toughness cobalt-based alloy and engine valve coated with same

#84
20130259733
2013-10-03

Sintered alloy for valve seat and manufacturing method of exhaust valve seat using the same

#85
20130224058
2013-08-29

Method for manufacturing a component with internal cavities

#86
20130121869
2013-05-16

Multicomponent titanium aluminide article and method of making

#87
20130089454
2013-04-11

Component having reduced metal adhesion

#88
20130068986
2013-03-21

Engine valve seat and manufacturing method thereof

#89
20120258007
2012-10-11

Method of assembling a two-piece twist lock piston

#90
20120160206
2012-06-28

Piston of Internal Combustion Engine, Producing Method of Piston, and Sliding Member

#91
20120132160
2012-05-31

Adhesive joining for powder metal components

#92
20120082585
2012-04-05

Sintered material for valve guides and production method therefor

#93
20110284792
2011-11-24

STEEL-BASE SINTERING ALLOY HAVING HIGH WEAR-RESISTANCE FOR VALVE SEAT OF ENGINE AND MANUFACTURING METHOD THEREOF, AND VALVE SEAT OF ENGINE

#94
20110209468
2011-09-01

Movable wall member in form of an exhaust valve spindle or a piston for internal combustion engine, and a method of manufacturing such a member

#95
20110143158
2011-06-16

Powder metal component tolerance improvements

#96
20110000457
2011-01-06

Prealloyed copper powder forged connecting rod

#97
20100319650
2010-12-23

FUNCTIONALLY GRADED POWDER METAL COMPONENTS

#98
20100316523
2010-12-16

Iron-based alloy powder

#99
20100226810
2010-09-09

Process for Manufacturing Metal Particles

#100
20100116240
2010-05-13

MULTI-PIECE THIN WALLED POWDER METAL CYLINDER LINERS

#101
20100086429
2010-04-08

Thin walled powder metal component manufacturing

#102
20100083498
2010-04-08

Camshaft lobe and method of making same

#103
20100080725
2010-04-01

Production method for sintered valve guide

#104
20100028190
2010-02-04

METHOD OF MAKING POWDER METAL PARTS USING SHOCK LOADING

#105
20100015463
2010-01-21

THREE-PART METALLURGY SYSTEM INCLUDING ALUMINUM AND TITANIUM FOR LIGHTWEIGHT ALLOY

#106
20090277415
2009-11-12

CYLINDER CRANKCASE FOR A MOTOR VEHICLE

#107
20090126676
2009-05-21

Piston for internal-combustion engines

#108
20090094830
2009-04-16

Valve for Controlling Gas Exchange, Especially in Internal Combustion Engines

#109
20080314240
2008-12-25

Two-piece twist lock piston

#110
20080110334
2008-05-15

Sintered composite machine part and manufacturing method thereof

#111
20080092383
2008-04-24

PROCESS FOR THE PRODUCTION OF COMPONENTS FOR COMBUSTION ENGINES OR TURBINES

#112
20080006793
2008-01-10

Valve for Controlling Gas Exchange, Especially in Internal Combustion Engines

#113
20070261514
2007-11-15

Multi-material connecting rod

#114
20070235003
2007-10-11

Piston formed by powder metallurgical methods

#115
20070227299
2007-10-04

Wear resistant low friction coating composition, coated components, and method for coating thereof

#116
20070101964
2007-05-10

Valve seat for engine method of manufacturing the valve seat, and cylinder head for engine

#117
20070086910
2007-04-19

Acid resistant austenitic alloy for valve seat insert

#118
20070048167
2007-03-01

METAL PARTICLES, PROCESS FOR MANUFACTURING THE SAME, AND PROCESS FOR MANUFACTURING VEHICLE COMPONENTS THEREFROM

#119
20060283526
2006-12-21

Wear resistant alloy for valve seat insert used in internal combustion engines

#120
20050040358
2005-02-24

Valve guide for internal combustion engine made from iron base sintered alloy