ClassID:

151838

F16J15/166 - CPC Classification

Classification description:

Sealings between relatively-moving surfaces with means to prevent the extrusion of the packing

Recent Application in this class:
#1
20250283463
2025-09-11

PACKING ASSEMBLY WITH THREADED SLEEVE FOR INTERACTION WITH AN INSTALLATION TOOL

#2
20250129849
2025-04-24

METAL END CAP SEAL

#3
20250043807
2025-02-06

HYDRAULIC CYLINDER BUFFER SEAL BACKUP RING

#4
20250012362
2025-01-09

SEALING STRUCTURE

#5
20240117881
2024-04-11

VARIABLE BACK-UP RING AND A SEALING STRUCTURE HAVING THE SAME

#6
20240026976
2024-01-25

STARTER RING FOR RECIPROCATING PLUNGER PUMP

#7
20230366466
2023-11-16

Hydraulic cylinder sealing arrangement

#8
20230366415
2023-11-16

Hydraulic cylinder buffer seal backup ring

#9
20230341055
2023-10-26

SEAL ARRANGEMENT WITH LOW DRAG SEAL GLAND

#10
20230332506
2023-10-19

Turbine shroud assembly with pinned shroud attachment

#11
20230265924
2023-08-24

SEAL FOR HIGH PRESSURE WATER JETS

#12
20230250880
2023-08-10

Valve device

#13
20230106630
2023-04-06

Stem seals with triangular rings

#14
20230057490
2023-02-23

Sealing structure

#15
20220403839
2022-12-22

PACKING ASSEMBLY WITH THREADED SLEEVE FOR INTERACTION WITH AN INSTALLATION TOOL

#16
20220381345
2022-12-01

SEAL WITH BACK-UP RING

#17
20220170551
2022-06-02

VARIABLE BACK-UP RING AND A SEALING STRUCTURE HAVING THE SAME

#18
20220112953
2022-04-14

Packing Assembly for a Pump

#19
20220018462
2022-01-20

Stem seals with triangular rings

#20
20210340837
2021-11-04

Piston load ring seal configurations

#21
20200340586
2020-10-29

SEAL ASSEMBLY

#22
20200292080
2020-09-17

ANNULAR DUST SEAL

#23
20200263809
2020-08-20

Valve assemblies, valve packing assemblies and related systems and methods

#24
20200232563
2020-07-23

Sealing apparatus

#25
20200207521
2020-07-02

Sealing plug assembly

#26
20200141529
2020-05-07

Subsea slip-on pipeline repair connector with graphite packing

#27
20190383398
2019-12-19

Mechanical seal with high pressure high temperature secondary seal

#28
20190376616
2019-12-12

Valve assemblies, valve packing assemblies and related systems and methods

#29
20190353251
2019-11-21

Compression seal for use on reciprocating pump

#30
20190323608
2019-10-24

Packing assembly for a pump

#31
20190316713
2019-10-17

High pressure bi-directional sealing system

#32
20190316681
2019-10-17

Seal structure of high-pressure tank

#33
20190257429
2019-08-22

Polymer seal assembly

#34
20190219174
2019-07-18

Sealing structure

#35
20190112890
2019-04-18

Seal arrangement for rotating equipment

#36
20190107239
2019-04-11

Large-gap-seal (“LGS”) assembly

#37
20190049017
2019-02-14

Anti-extrusion seal arrangement and ram-style blowout preventer

#38
20190011066
2019-01-10

Swivel joint for oilfield pumping stimulation

#39
20180372223
2018-12-27

Sealing device

#40
20180283139
2018-10-04

Reusable pre-energized backup ring

#41
20180283127
2018-10-04

Blowout prevention system including blind shear ram

#42
20180252210
2018-09-06

Compact Ultrahigh Pressure Dynamic Seal Assembly With Pressure Activating Backup Ring

#43
20180216735
2018-08-02

High pressure dynamic sealing device

#44
20180172160
2018-06-21

Pressure activated anti-extrusion ring for annular seal, seal configuration, and method

#45
20180135757
2018-05-17

VACUUM DOUBLE STRUCTURE AND HEAT TREAT FURNACE

#46
20180058586
2018-03-01

BUFFER RING

#47
20170184173
2017-06-29

Oil seal holder for shock absorber

#48
20170114921
2017-04-27

Plastic injection mold—SVG actuator—internal seal upgrade

#49
20170097094
2017-04-06

Sealing device

#50
20170082199
2017-03-23

Packing assembly for a pump

#51
20170074443
2017-03-16

High-pressure bi-directional sealing system

#52
20170045147
2017-02-16

Seal assemblies for use with fluid valves

#53
20170030466
2017-02-02

Seal for pressurized fluid and open interface gap

#54
20160356382
2016-12-08

High pressure dynamic sealing arrangement

#55
20160356381
2016-12-08

Sealing device

#56
20160348461
2016-12-01

Seal assembly

#57
20160298416
2016-10-13

Composite circular connector seal and method of use

#58
20160245406
2016-08-25

Seal and method of manufacturing and/or using same

#59
20160153596
2016-06-02

Swivel joint for oilfield pumping stimulation

#60
20160150937
2016-06-02

Wiper unit and hydraulic working apparatus including a wiper unit

#61
20160123468
2016-05-05

SEAL FOR AN OIL SEALED BEARING ASSEMBLY

#62
20160032681
2016-02-04

High pressure seal with composite anti-extrusion mechanism

#63
20160018002
2016-01-21

Polymer seal assembly

#64
20150377356
2015-12-31

Packing assembly for a pump

#65
20150290986
2015-10-15

Vehicle axle assembly comprising integrated pressure medium line for filling tires

#66
20150252801
2015-09-10

Compact ultrahigh pressure dynamic seal assembly with pressure activating backup ring

#67
20150184753
2015-07-02

Mechanical seal

#68
20150042048
2015-02-12

Support ring arrangement for a high-pressure seal

#69
20150021908
2015-01-22

High-pressure bi-directional sealing system

#70
20140374995
2014-12-25

Secured in place gasket for sealing plastic pipelines, method of manufacture and method of installation

#71
20140366959
2014-12-18

Seal assemblies for use with fluid valves

#72
20140345850
2014-11-27

Damage tolerant casing hanger seal

#73
20140312570
2014-10-23

Interlocking face seal assemblies and related methods

#74
20140265139
2014-09-18

High pressure lip seals with anti-extrusion and anti-galling properties and related methods

#75
20140203516
2014-07-24

Seal having stress control groove

#76
20140070494
2014-03-13

Compound back-up ring for O-ring/back-up ring sealing systems in 70 MPA hydrogen storage systems

#77
20140035238
2014-02-06

Dynamic backup ring assembly

#78
20140034642
2014-02-06

Sealing structure

#79
20130333554
2013-12-19

Seal assembly for use in harsh environments

#80
20130292909
2013-11-07

Seals

#81
20130234401
2013-09-12

Flowline divertor seal with spring-energized sealing lips

#82
20130180733
2013-07-18

Seal ring backup devices and methods for preventing extrusion

#83
20130113165
2013-05-09

Piston bearing structure for fluid pressure cylinder

#84
20130087977
2013-04-11

DAMAGE TOLERANT CASING HANGER SEAL

#85
20130069362
2013-03-21

Sealing structure

#86
20130069321
2013-03-21

Sealing structure

#87
20130038021
2013-02-14

Annular seal

#88
20120313327
2012-12-13

Seal assembly

#89
20120304854
2012-12-06

Piston having position rings and support rings

#90
20120286478
2012-11-15

Sealing structure

#91
20120210868
2012-08-23

PACKING ASSEMBLY FOR A PUMP

#92
20120152111
2012-06-21

Plunger packing with wedge seal having extrusion recess

#93
20120038115
2012-02-16

Anti-Extrusion Seal for High Temperature Applications

#94
20120038113
2012-02-16

Hydrodynamic backup ring

#95
20120025119
2012-02-02

Anti-extrusion packing support

#96
20110291364
2011-12-01

Sealing device

#97
20110283883
2011-11-24

Fluid pressure apparatus

#98
20110272892
2011-11-10

Low breakout friction energized gasket

#99
20110232843
2011-09-29

Substrate processing apparatus with composite seal

#100
20110140366
2011-06-16

IMPROVEMENTS IN AND RELATING TO SPRING ENERGISED PLASTIC SEALS

#101
20110115168
2011-05-19

Seal With Snap-In Back-Up Ring

#102
20110019949
2011-01-27

Bearing device

#103
20110012046
2011-01-20

Seal assemblies for use with fluid valves

#104
20100320695
2010-12-23

Annular seal

#105
20100320217
2010-12-23

BACKUP RING AND TANK WITH THE SAME

#106
20100237566
2010-09-23

Seal assemblies for movable and static shafts

#107
20100237565
2010-09-23

Interlocking composite seals

#108
20100230340
2010-09-16

Sealing assembly for a chromatography column

#109
20100225111
2010-09-09

GASKET FOR BELL SOCKET

#110
20100140376
2010-06-10

Rotating fluid jet with improved rotary seal

#111
20100052267
2010-03-04

Seal assembly

#112
20100052259
2010-03-04

Scarf cut backup rings

#113
20090315266
2009-12-24

Extrusion-Resistant Nose Seal

#114
20090230632
2009-09-17

SYSTEM, METHOD AND APPARATUS FOR SEALING MATERIALS HAVING A LOW GLASS TRANSITION TEMPERATURE FOR HIGH PERFORMANCE SEALING APPLICATIONS

#115
20090189358
2009-07-30

Self-energized backup ring for annular seals

#116
20090174152
2009-07-09

Composite sealing material

#117
20090166980
2009-07-02

PACKING ASSEMBLY FOR A PUMP

#118
20090121443
2009-05-14

Sealing device

#119
20090071325
2009-03-19

Cylinder device

#120
20090045584
2009-02-19

Carbon dioxide gas sealing enclosed device

#121
20080191427
2008-08-14

Combination mismatched metal-to-metal seal and O-ring seal with vent hole in between for high temperature and high pressure environment

#122
20080054095
2008-03-06

Rotating fluid jet with improved rotary seal

#123
20080018059
2008-01-24

Sealing device

#124
20080018058
2008-01-24

Composite sealing material

#125
20080017814
2008-01-24

Pressure energized radial seal

#126
20070228667
2007-10-04

Apparatus for preventing seal extrusion

#127
20070222162
2007-09-27

Back-up ring and sealing assembly

#128
20070216111
2007-09-20

Sealing System

#129
20070209640
2007-09-13

Injector

#130
20070205561
2007-09-06

Sealing Structure for Sliding Part

#131
20070194538
2007-08-23

Sealing device for reciprocating shaft

#132
20070170344
2007-07-26

Heavy load support system

#133
20070052181
2007-03-08

Backup ring

#134
20060237916
2006-10-26

Sealing arrangement

#135
20060214379
2006-09-28

Composite, high temperature, dynamic seal and method of making same

#136
20060186601
2006-08-24

Fluid seals

#137
20060087085
2006-04-27

Sealing arrangement with supporting ring, and supporting ring

#138
20060066058
2006-03-30

Cammed seal assembly with sealing ring having an angled leg portion and foot portion with elastomeric energizer element

#139
20060006608
2006-01-12

Sector shaft pressure seal

#140
20060006606
2006-01-12

Drilling tool with elastomer seal having graded properties

#141
20060005370
2006-01-12

Method for manufacturing a drilling tool with an elastomer seal having graded properties

#142
20050253341
2005-11-17

Plasma resistant seal

#143
20050098963
2005-05-12

One-piece extrusion-resistant seal

#144
20050062235
2005-03-24

Annular seal

#145
20050035556
2005-02-17

Annular seal

#146
17478658
2023-04-25

Hydraulic components and methods of manufacturing

#147
16105590
2021-10-12

Hydraulic components and methods of manufacturing