Patents-Review.com
ClassID:

137265 ⎘

F01L3/22 - 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 Valve-seats not provided for in preceding subgroups of this group; Fixing of valve-seats

Recent Application in this class:
#1
20260071570
2026-03-12

INTERNAL COMBUSTION ENGINES AND CYLINDER HEADS CONFIGURED FOR IN-CYLINDER PRESSURE SENSORS

 #2
20260055714
2026-02-26

MULTI-COMPOSITION THERMAL MANAGEMENT COATING SYSTEMS FOR COMBUSTION CHAMBER COMPONENTS

 #3
20240376628
2024-11-14

PLASMA ELECTROLYTIC POLISHED DIESEL ENGINE COMPONENTS

 #4
20240352877
2024-10-24

APPLICATOR TOOL POSITIONABLE WITHIN A VALVE SEAT BORE OF A CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE

 #5
20240035399
2024-02-01

Air intake for a lean-burn gasoline engine

 #6
20230374951
2023-11-23

Cylinder head for an internal combustion engine

 #7
20220282645
2022-09-08

Poppet valve and internal combustion piston engine head including same

 #8
20220074325
2022-03-10

Method of manufacture and design of cast-in-place valve seats

 #9
20210396163
2021-12-23

Scavenger Valve Method and Device

 #10
20210301689
2021-09-30

Valve seat insert with soft landing insert design with contoured radii

 #11
20210301688
2021-09-30

Valve seat insert with soft landing insert design with contoured radii

 #12
20210293160
2021-09-23

Valve seat insert with soft landing insert design with contoured radii

 #13
20210293159
2021-09-23

Valve seat insert with soft landing insert design with contoured radii

 #14
20210269935
2021-09-02

Plasma electrolytic polished diesel engine components

 #15
20210254580
2021-08-19

Engine cooling system including cooled exhaust seats

 #16
20210180540
2021-06-17

Piston for internal combustion engine having valve pocket step for slowing combustion gas flow

 #17
20210148257
2021-05-20

Valve seat ring of a gas exchange valve and gas exchange valve

 #18
20210054768
2021-02-25

Valve seat insert for high power density and high speed diesel engines

 #19
20200340593
2020-10-29

Double-crowned valve seat insert having seating surface formed of hard-facing material

 #20
20200291827
2020-09-17

Valve seat insert for engine head having venturi flow crowns and seating surface profiled for limiting valve recession

 #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
20200173317
2020-06-04

CYLINDER HEAD ASSEMBLY HAVING A HYBRID VALVE SEAT INSERT

 #24
20200149497
2020-05-14

System and method for valve seat injection

 #25
20200149441
2020-05-14

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

 #26
20200149440
2020-05-14

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

 #27
20200141303
2020-05-07

Oil injection methods for combustion enhancement in natural gas reciprocating engines

 #28
20200003086
2020-01-02

Joining apparatus and method of joining

 #29
20190383208
2019-12-19

Intake port structure for internal combustion engine

 #30
20190383207
2019-12-19

Intake port structure for internal combustion engine

 #31
20190284970
2019-09-19

Scavenger Valve Method and Device

 #32
20190242278
2019-08-08

Internal combustion engine having a valve actuation device

 #33
20190136982
2019-05-09

GAS EXCHANGE VALVE FOR AN INTERNAL COMBUSTION ENGINE

 #34
20190107077
2019-04-11

Internal combustion engine having valve seat pockets

 #35
20190091795
2019-03-28

WELDED PORTION FORMING STRUCTURE AND METAL MEMBER JOINING METHOD

 #36
20190063271
2019-02-28

Valve for an internal combustion engine

 #37
20190017419
2019-01-17

Secure engine insert and process for installing

 #38
20190009327
2019-01-10

Method of casting valve seat inserts and casting apparatus

 #39
20180164092
2018-06-14

GAP MEASURING DEVICE AND GAP MANAGEMENT SYSTEM

 #40
20180135476
2018-05-17

Gas Exchange Valve For An Internal Combustion Engine And Internal Combustion Engine

 #41
20180080577
2018-03-22

INTERNAL-COMBUSTION ENGINE

 #42
20170089224
2017-03-30

Rocker base for valve actuation system

 #43
20170089223
2017-03-30

Valve actuation system

 #44
20160341077
2016-11-24

Pivoting variable cam follower

 #45
20160333751
2016-11-17

Engine Insert and Process for Installing

 #46
20160333750
2016-11-17

Locator for use in a valvetrain of a cylinder head of an internal combustion engine

 #47
20160326919
2016-11-10

Assembly of internal combustion engine valve and valve seat

 #48
20160285392
2016-09-29

INTERNAL COMBUSTION ENGINE WITH POWER-GENERATING MEMBER

 #49
20160276960
2016-09-22

INTERNAL COMBUSTION ENGINE WITH POWER-GENERATING MEMBER

 #50
20160265395
2016-09-15

Variable travel valve apparatus for an internal combustion engine

 #51
20160160699
2016-06-09

VALVE SEAT STRUCTURE

 #52
20160136758
2016-05-19

Cladding method for valve seat and production method for cylinder head

 #53
20160123271
2016-05-05

Cylinder head for an internal combustion engine

 #54
20160108850
2016-04-21

Cylinder head for an internal combustion engine

 #55
20150308303
2015-10-29

Intake valve for engine

 #56
20150152753
2015-06-04

Sintered iron-based alloy valve seat

 #57
20150047596
2015-02-19

Valve seat

 #58
20150007792
2015-01-08

Cylinder head assembly having cooled valve insert

 #59
20140283772
2014-09-25

Lost-motion variable valve actuation system with cam phaser

 #60
20140190441
2014-07-10

VALVE SEAT INSERT

 #61
20140083389
2014-03-27

Cylinder head with annular valve for internal-combustion engine

 #62
20130269647
2013-10-17

VALVE SEAT INSERT

 #63
20130061827
2013-03-14

CYLINDER HEAD SYSTEM AND METHOD OF FORMING SAME

 #64
20130025571
2013-01-31

INTERNAL COMBUSTION ENGINE

 #65
20120319026
2012-12-20

Valve seat

 #66
20120304950
2012-12-06

PORT OF INTERNAL COMBUSTION ENGINE

 #67
20120266840
2012-10-25

FOUR-STROKE INTERNAL COMBUSTION ENGINE AND EXHAUST VALVE

 #68
20120240887
2012-09-27

Device and method configured to control valve operation in a piston engine

 #69
20120204425
2012-08-16

VALVE SEAT INSERT GAP DETECTION

 #70
20120192818
2012-08-02

Lost-motion variable valve actuation system with cam phaser

 #71
20120192817
2012-08-02

VARIABLE FORCE VALVE SPRING

 #72
20120126161
2012-05-24

Valve

 #73
20120090456
2012-04-19

Piston type pneumatic engine

 #74
20110220054
2011-09-15

Cylinder head for improved fluid flow performance

 #75
20110220043
2011-09-15

Cylinder head of an internal combustion engine comprising a cooling circuit

 #76
20110203555
2011-08-25

Valve seat insert

 #77
20110100316
2011-05-05

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

 #78
20110023810
2011-02-03

Cylinder head assembly for an internal combustion engine

 #79
20100313842
2010-12-16

Corrosion resistant insert for a cylinder head

 #80
20100300417
2010-12-02

INTERNAL COMBUSTION ENGINE HAVING A TRANSITIONALLY SEGREGATED COMBUSTION CHAMBER

 #81
20100269778
2010-10-28

CYLINDER HEAD ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE AND METHOD OF MAKING THE SAME

 #82
20100236533
2010-09-23

Valve Seat Insert for a Split-Cycle Engine

 #83
20100230598
2010-09-16

System and method for valve seat gap evaluation

 #84
20100224160
2010-09-09

Engine assembly with valve seat vent passages and method of forming

 #85
20100206260
2010-08-19

Method for preventing exhaust valve seat recession

 #86
20100192892
2010-08-05

Hybrid valve for internal combustion engines

 #87
20100077973
2010-04-01

Variable travel valve apparatus for an internal combustion engine

 #88
20090293597
2009-12-03

System and method for monitoring combustion chamber pressure and control system using the same

 #89
20090241870
2009-10-01

VARIABLE INTAKE VALVE ASSEMBLY FOR INTERNAL COMBUSTION ENGINE

 #90
20090123032
2009-05-14

MEASUREMENT OF GAPS BETWEEN VALVE SEATS AND ATTACHMENT PARTS

 #91
20090013944
2009-01-15

Device for controlling the movement of a valve, in particular of an intake valve, of an internal combustion engine

 #92
20080276615
2008-11-13

Harmonic engine

 #93
20080237304
2008-10-02

Engine component having friction welded inserts

 #94
20080141921
2008-06-19

Marine hulls and drives

 #95
20080060600
2008-03-13

Poppet valve for an internal combustion engine

 #96
20080060599
2008-03-13

Internal combustion engine

 #97
20070283939
2007-12-13

Turbo-lag compensation system for an engine

 #98
20070125333
2007-06-07

Concave combustion chamber

 #99
20070039585
2007-02-22

Valves for internal combustion engines and methods thereof

 #100
20060219205
2006-10-05

Air compression internal combustion engine

 #101
20060180115
2006-08-17

Exhaust valve for internal combustion engine

 #102
20050098137
2005-05-12

Intake/exhaust valve and its seal for internal combustion engine

 #103
16544182
2020-09-08

Valve seat insert for long life natural gas lean burn engines