ClassID:

151757

F16J9/14 - CPC Classification

Classification description:

Piston-rings, e.g. non-metallic piston-rings , seats therefor; Ring sealings of similar construction; Details Joint-closures

Sub-classes:
Recent Application in this class:
#1
20260002448
2026-01-01

Metallic Substrate Laser Treatment

#2
20240200659
2024-06-20

GAS TURBINE ENGINE WITH SPLIT HELICAL PISTON SEAL

#3
20240077137
2024-03-07

Combination Piston and Piston Ring for Reduction of Crevice Volume

#4
20230392617
2023-12-07

Working cylinder with end position damping, and damping piston ring

#5
20230296173
2023-09-21

OIL SCRAPER RING AND PISTON RING SET FOR AN INTERNAL COMBUSTION ENGINE

#6
20230096973
2023-03-30

Sealing assembly and turbomachine including same

#7
20230082408
2023-03-16

Combination piston and piston ring for reducing crevice volume

#8
20220259975
2022-08-18

Split ring seal for gas turbine engine rotor

#9
20220186833
2022-06-16

Scraper ring for a piston

#10
20210388902
2021-12-16

Cupseal for compressor and method for preparing the same

#11
20210108722
2021-04-15

Combination Piston and Piston Ring for Reducing Crevice Volume

#12
20210033195
2021-02-04

MULTIPLE PIECE SEAL RING ASSEMBLY

#13
20200141491
2020-05-07

OIL SCRAPER PISTON RING

#14
20200018395
2020-01-16

Piston ring

#15
20190346043
2019-11-14

Piston ring having a stepped running surface

#16
20190257424
2019-08-22

Piston ring for engine

#17
20190040956
2019-02-07

Seal ring

#18
20190017600
2019-01-17

Apparatus and systems for preventing extrusion

#19
20180335141
2018-11-22

Ported engine constructions with low-tension compression seals

#20
20180258889
2018-09-13

EGR valve including seal ring

#21
20180209540
2018-07-26

PISTON RING

#22
20180195616
2018-07-12

Seal rings and methods for making them

#23
20180187780
2018-07-05

Piston ring for combustion engine

#24
20180017159
2018-01-18

Piston ring

#25
20170343109
2017-11-30

Sealing device

#26
20170314684
2017-11-02

One-way pressure activated piston seal

#27
20170306469
2017-10-26

Internal-combustion engine piston ring, process for obtaining a piston ring, and internal-combustion engine

#28
20170082196
2017-03-23

Piston seal

#29
20160334019
2016-11-17

Snap together u-shaped cup seal

#30
20160305545
2016-10-20

PISTON RING

#31
20160288370
2016-10-06

Kneading apparatus

#32
20160230834
2016-08-11

Suspension seal

#33
20160169387
2016-06-16

Piston ring and method for manufacturing same

#34
20160138714
2016-05-19

Low tension piston rings and method for manufacturing the same

#35
20160116066
2016-04-28

Seal ring

#36
20160084380
2016-03-24

Piston ring

#37
20150114219
2015-04-30

Die casting piston and ring assembly

#38
20150107796
2015-04-23

Wear ring for die-casting piston, die-casting piston incorporating same, and method of forming same

#39
20150050130
2015-02-19

Sealing device between two axisymmetric coaxial parts

#40
20150042046
2015-02-12

Piston ring

#41
20150041693
2015-02-12

One-way pressure activated piston seal

#42
20150040853
2015-02-12

Piston ring for an internal combustion engine

#43
20140326131
2014-11-06

Dual ring configuration for a stationary seal

#44
20140265148
2014-09-18

Low tension piston rings and method for manufacturing the same

#45
20140246835
2014-09-04

COMPONENT

#46
20140035237
2014-02-06

Sealing structure

#47
20130307221
2013-11-21

Piston ring

#48
20130014845
2013-01-17

SPOOL TYPE HYDRAULIC CONTROL VALVE WHICH SPOOL IS SEALED WITH ALL METAL SEAL RING

#49
20130014725
2013-01-17

Internal Combustion Engine

#50
20120306159
2012-12-06

Multi-part piston ring

#51
20120228831
2012-09-13

Piston ring

#52
20120112415
2012-05-10

ROTATING SEAL RING WITH TARGETED SPLIT SURFACE ORIENTATION

#53
20120024149
2012-02-02

Die casting piston and ring assembly

#54
20110290106
2011-12-01

Piston assembly

#55
20110155092
2011-06-30

Piston/piston ring arrangement

#56
20110114038
2011-05-19

Ported engine constructions with low-tension compression seals

#57
20100320217
2010-12-23

BACKUP RING AND TANK WITH THE SAME

#58
20100162987
2010-07-01

Piston device for internal combustion engines

#59
20100117304
2010-05-13

PISTON RING

#60
20100090416
2010-04-15

Piston for internal combustion engines

#61
20100011559
2010-01-21

Retrofit Seals and Method for Placement in an Existing Groove

#62
20090322037
2009-12-31

Seal ring

#63
20090309312
2009-12-17

PISTON RING FOR THE PISTON OF AN INTERNAL COMBUSTION ENGINE

#64
20090194948
2009-08-06

Locking joint seal

#65
20090179386
2009-07-16

Gastight piston ring arrangement

#66
20090051117
2009-02-26

SEALING RINGS

#67
20090026711
2009-01-29

COMPRESSION PISTON RING

#68
20090020006
2009-01-22

Combination of a piston and a piston ring

#69
20080277882
2008-11-13

Seal ring

#70
20080276919
2008-11-13

Piston, A Ring and a Piston Assembly for a Two Cycle Engine

#71
20080252902
2008-10-16

Method and device for detecting direction of member having outer periphery formed in vertically asymmetrical shape

#72
20080246178
2008-10-09

Method For Dividing Ceramic Cylindrical Body and Shape of Notched Portions Thereof

#73
20080060604
2008-03-13

Internal combustion engine

#74
20080025855
2008-01-31

Piston Pump And Piston Ring

#75
20080023919
2008-01-31

Seal ring

#76
20080023918
2008-01-31

LEAK-BY SEALING SYSTEM FOR A SHUTTLE PISTON

#77
20070290402
2007-12-20

Method for making a pressed part with separations or voids

#78
20070193553
2007-08-23

Internal combustion engine

#79
20070193552
2007-08-23

Internal combustion engine

#80
20070193551
2007-08-23

Internal combustion engine

#81
20070193550
2007-08-23

Internal combustion engine

#82
20070193549
2007-08-23

Internal combustion engine

#83
20070176371
2007-08-02

Piston ring for an internal combustion engine

#84
20060255546
2006-11-16

Piston ring

#85
20060151959
2006-07-13

Sealing ring and sealing ring arrangement

#86
20060055120
2006-03-16

Seal ring

#87
20060038355
2006-02-23

Seal ring

#88
20050116426
2005-06-02

Seal ring

#89
20050109289
2005-05-26

High temperature and high pressure compressor piston ring