ClassID:

137253

F01L3/04 - CPC Classification

Classification description:

Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof; Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials Coated valve members or valve-seats

Recent Application in this class:
#1
20260055714
2026-02-26

MULTI-COMPOSITION THERMAL MANAGEMENT COATING SYSTEMS FOR COMBUSTION CHAMBER COMPONENTS

#2
20250389212
2025-12-25

APPLICATOR FOR SEMI-FLUID MATERIALS

#3
20250243572
2025-07-31

SLIDING MEMBER AND INTERNAL COMBUSTION ENGINE PROVIDED WITH SLIDING MEMBER

#4
20240159173
2024-05-16

Armored poppet valve and method for the production thereof

#5
20230417162
2023-12-28

Systems and methods for thermal barrier coatings to modify engine component thermal characteristics

#6
20230399961
2023-12-14

Cylinder head blank and cylinder head manufacturing method

#7
20230332555
2023-10-19

Combustion cylinder end face components including thermal barrier coatings

#8
20230167755
2023-06-01

ENGINE VALVE AND MANUFACTURING METHOD THEREFOR

#9
20220154345
2022-05-19

Film formation method

#10
20220082035
2022-03-17

Cylinder head valve seat with high thermal conductivity and multiple material cross-section

#11
20220042177
2022-02-10

Coating method

#12
20210324913
2021-10-21

Sliding member and member for internal combustion engine

#13
20210293158
2021-09-23

Sliding member

#14
20210277809
2021-09-09

TRIBOLOGICAL SYSTEM, METHOD FOR PRODUCING A TRIBOLOGICAL SYSTEM AND INTERNAL COMBUSTION ENGINE WITH A TRIBOLOGICAL SYSTEM

#15
20210268576
2021-09-02

Method for manufacturing cylinder head, and semimanufactured cylinder head

#16
20210254580
2021-08-19

Engine cooling system including cooled exhaust seats

#17
20210180479
2021-06-17

Poppet valve

#18
20200362734
2020-11-19

Gas exchange valve for an internal combustion engine

#19
20200318504
2020-10-08

Valve for internal combustion engines having a coating

#20
20200299845
2020-09-24

COATED COMBUSTION COMPONENT FROM LIQUID PRECURSOR THERMAL SPRAYING

#21
20200232414
2020-07-23

Engine cooling system including cooled exhaust seats

#22
20200232354
2020-07-23

Internal combustion engine with at least one hollow-head valve

#23
20200232353
2020-07-23

Engine and gas exchange valve with under-head fillet contoured for chordal stress mitigation

#24
20200200079
2020-06-25

Combustion engine components with dynamic thermal insulation coating and method of making and using such a coating

#25
20200157979
2020-05-21

Internal combustion engine

#26
20200149441
2020-05-14

Valve seat insert for engine having double-crowned seating surface profiled for limiting valve recession

#27
20200149440
2020-05-14

Valve seat insert for internal combustion engine profiled to resist valve recession

#28
20200131952
2020-04-30

Method for mounting a valve seat ring on a cylinder head of an internal combustion engine

#29
20200011216
2020-01-09

Sliding member, and sliding member of internal combustion engine

#30
20200011211
2020-01-09

Sliding member, and sliding member for internal combustion engine

#31
20190368049
2019-12-05

Method for producing laminated member

#32
20190301314
2019-10-03

Cladding alloy powder and assembly including the same

#33
20190277169
2019-09-12

Hollow Valve For An Engine

#34
20190143415
2019-05-16

Valve seat ring

#35
20190136346
2019-05-09

Hardfacing alloy and hardfacing member

#36
20190128150
2019-05-02

Valve for internal-combustion engines

#37
20190063271
2019-02-28

Valve for an internal combustion engine

#38
20180334991
2018-11-22

Semi-compliant coating for thermal expansion absorption

#39
20180223902
2018-08-09

Sliding member and manufacturing method therefor

#40
20180216524
2018-08-02

Combustion engine components with dynamic thermal insulation coating and method of making and using such a coating

#41
20180066342
2018-03-08

COBALT-BASED CLADDING ALLOY FOR ENGINE VALVE AND ENGINE

#42
20180038308
2018-02-08

Internal combustion engine and method for coating internal combustion engine components

#43
20180030920
2018-02-01

Hybrid composite cylinder head

#44
20170321645
2017-11-09

Fuel injector for an internal combustion engine

#45
20170297149
2017-10-19

CLADDING ALLOY POWDER AND METHOD FOR PRODUCING ENGINE VALVE USING THE SAME

#46
20170291268
2017-10-12

Method of making a valve stem seal with formable retainer tabs

#47
20170284333
2017-10-05

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

#48
20170253950
2017-09-07

Wear-resistant copper-base alloy

#49
20170122147
2017-05-04

METHOD AND APPRATUS FOR REDUCING EMISSIONS AND/OR REDUCING FRICTION IN AN INTERNAL COMBUSITION ENGINE

#50
20170089241
2017-03-30

METHOD AND APPARATUS FOR REDUCING EMISSIONS AND/OR REDUCING FRICTION IN AN INTERNAL COMBUSTION ENGINE

#51
20170051642
2017-02-23

Iron-based alloys and methods of making and use thereof

#52
20170014951
2017-01-19

Laser build-up method

#53
20160348546
2016-12-01

POPPET VALVE

#54
20160326919
2016-11-10

Assembly of internal combustion engine valve and valve seat

#55
20160279711
2016-09-29

Method for manufacturing a valve spindle

#56
20160215660
2016-07-28

Engine exhaust valve for large ship and method for manufacturing the same

#57
20160186654
2016-06-30

Forming method of thermal insulation film and internal combustion engine

#58
20160169400
2016-06-16

GAS EXCHANGE VALVE

#59
20160146148
2016-05-26

Spray coating film, engine having the spray coating film and film-forming method of the spray coating film

#60
20160136758
2016-05-19

Cladding method for valve seat and production method for cylinder head

#61
20160017477
2016-01-21

DLC film coating and coated valve lifter

#62
20150377089
2015-12-31

Valve for internal combustion engines and method for obtaining a valve

#63
20150337694
2015-11-26

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

#64
20150328718
2015-11-19

Powder supply method in cladding

#65
20150308303
2015-10-29

Intake valve for engine

#66
20150300506
2015-10-22

Poppet valve with a formed seat, and method of making

#67
20150300215
2015-10-22

EXHAUST VALVE FOR ENGINE

#68
20150292640
2015-10-15

Engine valve

#69
20150292370
2015-10-15

Valve for internal combustion engines

#70
20150284828
2015-10-08

Ni-Cr-Co-based alloy having high-temperature corrosion resistance, and poppet valve surface-modified with the same

#71
20150204269
2015-07-23

Engine and piston

#72
20150152529
2015-06-04

Ni—Fe—Cr alloy and engine valve welded with the same alloy

#73
20140345557
2014-11-27

Thermal Spray Coated Engine Valve for Increased Wear Resistance

#74
20140290617
2014-10-02

Engine combustion chamber structure, and inner wall structure of through channel

#75
20140283384
2014-09-25

Method of manufacturing a valve for an internal combustion engine

#76
20140224204
2014-08-14

Ignition device for spark-ignition internal combustion engine

#77
20140216396
2014-08-07

Direct injection gasoline engine and method of controlling the direct injection gasoline engine

#78
20140191150
2014-07-10

Poppet valve with a formed seat, and method of making

#79
20140008562
2014-01-09

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

#80
20130306019
2013-11-21

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

#81
20130221261
2013-08-29

Wear-resistant cobalt-based alloy and engine valve coated with same

#82
20130220263
2013-08-29

Valve system for controlling the charge exchange

#83
20130220262
2013-08-29

Valve for engine and method for treating surface thereof

#84
20120305825
2012-12-06

ENGINE VALVE FOR AUTOMOBILE MADE OF TITANIUM ALLOY EXCELLENT IN HEAT RESISTANCE

#85
20120227389
2012-09-13

RECIPROCATING MACHINE & OTHER DEVICES

#86
20120085310
2012-04-12

ENGINE COMPONENT COMPRISING CORROSION-PROTECTION LAYER AND METHOD FOR MANUFACTURE OF ENGINE COMPONENTS

#87
20110303865
2011-12-15

Cladding alloy powder, alloy-clad member, and engine valve

#88
20110239858
2011-10-06

Cylinder head with valve seat and method for the production thereof

#89
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

#90
20110203555
2011-08-25

Valve seat insert

#91
20110155088
2011-06-30

ENGINE VALVES

#92
20110100316
2011-05-05

Cylinder Head Assembly For An Internal Combustion Engine and Method of Manufacture

#93
20110023810
2011-02-03

Cylinder head assembly for an internal combustion engine

#94
20100313842
2010-12-16

Corrosion resistant insert for a cylinder head

#95
20100108012
2010-05-06

Moveable valve sealing body exposed to hot gases

#96
20100077983
2010-04-01

ENGINE VALVES

#97
20090314389
2009-12-24

Ion Nitriding Method

#98
20090301615
2009-12-10

Method for producing an internal combustion engine valve and valve obtained in this manner

#99
20090151163
2009-06-18

Method for manufacturing cast iron member

#100
20080149062
2008-06-26

Gas Shuttle Valve Provided With an Anti-Corrosive Layer

#101
20080032065
2008-02-07

METHODS FOR COATING ENGINE VALVES WITH PROTECTIVE COATINGS USING INFRARED RADIATION

#102
20070277911
2007-12-06

Surface modifying jig of engine valve and surface modifying method employing it

#103
20070240668
2007-10-18

Inlet valve having high temperature coating and internal combustion engines incorporating same

#104
20070218303
2007-09-20

Aluminum alloy-made part

#105
20070193546
2007-08-23

Valve seat rings made of basic Co or Co/Mo alloys, and production thereof

#106
20070101964
2007-05-10

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

#107
20070089812
2007-04-26

Internal combustion engine component and method for the production thereof

#108
20070084449
2007-04-19

Method to improve combustion stability in a controlled auto-ignition combustion engine

#109
20060292386
2006-12-28

Titanium part for internal combustion engine

#110
20060169679
2006-08-03

Laser cladding apparatus and method

#111
20060169239
2006-08-03

Methods for surface treating engine valves and engine valves treated thereby

#112
20060162686
2006-07-27

Valve seat and method for producing a valve seat

#113
20060143896
2006-07-06

Method of manufacturing metallic components

#114
20060118177
2006-06-08

Coated valve and method of making same

#115
20060108029
2006-05-25

Build-up wear-resistant copper alloy and valve seat

#116
20060054127
2006-03-16

Member for internal combustion engine and production method thereof

#117
20060049035
2006-03-09

Wear-resistant coating and process for producing it

#118
20050166879
2005-08-04

Rocker arm and method of manufacturing the same

#119
20050034700
2005-02-17

Method for the production of a valve seat