ClassID:

151916

F16J15/441 - CPC Classification

Classification description:

Sealings; Free-space packings with floating ring

Sub-classes:
Recent Application in this class:
#1
20260015697
2026-01-15

FLOATING SEAL MATERIAL AND METHOD FOR PRODUCING SAME

#2
20250052324
2025-02-13

Shaft Seal Assembly

#3
20240353006
2024-10-24

Shaft Seal Assembly

#4
20240309771
2024-09-19

Seal assembly and a turbine with the same

#5
20240218933
2024-07-04

SEAL ASSEMBLIES AND RELATED VALVES AND METHODS

#6
20240217599
2024-07-04

SUPPORTING WHEEL SHAFT, SUPPORTING WHEEL AND WORK MACHINE

#7
20240133372
2024-04-25

Throttle arrangement for piston compressors

#8
20240102557
2024-03-28

PACKING SEAL

#9
20240093786
2024-03-21

Sealing mechanism

#10
20230220872
2023-07-13

Circumferential seal assembly with multi-axis stepped grooves

#11
20230213096
2023-07-06

Shaft seal assembly

#12
20230160393
2023-05-25

Stuffing box for vertical pumps

#13
20220403939
2022-12-22

Shutoff seal assemblies and related valve assemblies and methods

#14
20220381350
2022-12-01

Floating ring seal for refrigerant compressor

#15
20220356949
2022-11-10

Valve device

#16
20220356905
2022-11-10

Circumferential seal assembly with multi-axis stepped grooves

#17
20220349479
2022-11-03

Device for adjusting and compensating working wear gaps of floating seal ring

#18
20220316597
2022-10-06

SEALING MECHANISM

#19
20220259975
2022-08-18

Split ring seal for gas turbine engine rotor

#20
20220136517
2022-05-05

Sealing device and integrated pump

#21
20220128236
2022-04-28

PRESSURE REGULATED PISTON SEAL FOR A GAS TURBINE COMBUSTOR LINER

#22
20210356044
2021-11-18

Seal ring

#23
20210270373
2021-09-02

HYDRODYNAMICALLY EFFECTIVE SEAL COLLAR AND ROTARY UNION COMPRISING SUCH A SEAL COLLAR

#24
20210215252
2021-07-15

Seal structure for spool-type switching valve, and said spool-type switching valve

#25
20210172529
2021-06-10

FLOATING RING SEAL

#26
20210170461
2021-06-10

Seal to prevent lubricant escaping, and rolling stand having said seal

#27
20210116033
2021-04-22

FLOATING RING SEAL

#28
20210054936
2021-02-25

Seal device

#29
20210054755
2021-02-25

Radial seal arrangement with axially elongated oil cooled runner

#30
20210025496
2021-01-28

Slider seal with non-circular puck geometry

#31
20200378503
2020-12-03

Shutoff seal for high temperature pressure balance valve and related methods

#32
20200325825
2020-10-15

Hydrostatic seal with secondary seal structural protection

#33
20200325788
2020-10-15

Bearing compartment seal configuration for a gas turbine engine

#34
20200318831
2020-10-08

Pressure regulated piston seal for a gas turbine combustor liner

#35
20200300370
2020-09-24

Seal ring

#36
20200284352
2020-09-10

Shaft seal assembly

#37
20200284351
2020-09-10

SLIDER SEAL

#38
20200248817
2020-08-06

Mounting assembly for a ceramic seal runner

#39
20200248816
2020-08-06

Crowned anti-rotation device for circumferential seals

#40
20200240408
2020-07-30

Stabilizing bushing constructed of fiber reinforced structural composite

#41
20200224769
2020-07-16

Seal assembly with buffered lip seal

#42
20200224718
2020-07-16

Circumferential back-to-back seal assembly with bifurcated flow

#43
20200217422
2020-07-09

Hydrostatic seal with extended housing

#44
20200217421
2020-07-09

Articulating cantilevered hydrostatic seal

#45
20200217420
2020-07-09

Cantilevered hydrostatic advanced low leakage seal

#46
20200173557
2020-06-04

Circumferential archbound carbon seal on ceramic runner

#47
20200173556
2020-06-04

Circumferential air riding carbon seal on ceramic runner

#48
20200158175
2020-05-21

Circumferential seal assembly with multi-axis stepped grooves

#49
20200103035
2020-04-02

Shaft seal assembly

#50
20200102846
2020-04-02

Halo seal separate scallop support

#51
20200063873
2020-02-27

SEAL DEVICE

#52
20200063871
2020-02-27

Seal device

#53
20200032912
2020-01-30

SEAL DEVICE

#54
20200025293
2020-01-23

Seal ring

#55
20200025097
2020-01-23

Hydrostatic seal with abradable teeth for gas turbine engine

#56
20200018401
2020-01-16

SEAL DEVICE

#57
20200018400
2020-01-16

SEAL DEVICE

#58
20200011342
2020-01-09

Seal device

#59
20190376401
2019-12-12

Controlled gap seal with surface discontinuities

#60
20190368615
2019-12-05

Non-contact seal with progressive radial stop(s)

#61
20190346046
2019-11-14

Intershaft seal assembly

#62
20190301607
2019-10-03

Multistage shaft sealing apparatus and rotary machine

#63
20190293183
2019-09-26

Ramped spacer ring seal

#64
20190249559
2019-08-15

Pressure balanced secondary seal

#65
20190234240
2019-08-01

Non-contacting seal with non-abradable coating

#66
20190218927
2019-07-18

Bearing-supported seal

#67
20190195368
2019-06-27

Fluid-cushion sealing device

#68
20190195364
2019-06-27

Shaft sealing device and electric rotary machine

#69
20190181712
2019-06-13

Motor and air conditioner

#70
20190178382
2019-06-13

SEAL RING

#71
20190170067
2019-06-06

Thrust bearing system with inverted non-contacting dynamic seals for gas turbine engine

#72
20190136980
2019-05-09

Ceramic seal runner and mount for a rotating shaft

#73
20190085981
2019-03-21

Seal ring and sealing device

#74
20190063612
2019-02-28

Composite seal ring

#75
20190048931
2019-02-14

Intershaft seal assembly with multi-axis stepped grooves

#76
20190048733
2019-02-14

Sealing unit for turbocharger

#77
20190044407
2019-02-07

Rotating electric machine and rotating electric machine production method

#78
20190040956
2019-02-07

Seal ring

#79
20190017607
2019-01-17

Non-contact seal with progressive radial stop(s)

#80
20190017605
2019-01-17

Ring seal arrangement with installation foolproofing

#81
20190017547
2019-01-17

Circumferential seal with bifurcated flow along multi-axis stepped grooves

#82
20190010944
2019-01-10

Compressor with floating seal

#83
20190003597
2019-01-03

Compressor system

#84
20180372229
2018-12-27

Seal assembly for rotary machine

#85
20180372228
2018-12-27

Hydrostatic non-contact seal with weight reduction pocket

#86
20180363484
2018-12-20

Ring seal arrangement

#87
20180355978
2018-12-13

Dry-running piston rod packing and method for operating a dry-running piston rod packing

#88
20180355757
2018-12-13

Sealing configurations with active cooling features

#89
20180347705
2018-12-06

Ring for a floating ring seal

#90
20180340615
2018-11-29

Shaped spring element for a non-contact seal device

#91
20180328209
2018-11-15

Compliant seal assembly and method of operating

#92
20180291756
2018-10-11

Ring seal arrangement

#93
20180274679
2018-09-27

Seal ring

#94
20180274482
2018-09-27

STIRLING CYCLE MACHINE

#95
20180231127
2018-08-16

Seal ring

#96
20180223994
2018-08-09

RADIAL COVERAGE PISTON RING GROOVE ARRANGEMENT

#97
20180223690
2018-08-09

Non-contacting seals for geared gas turbine engine bearing compartments

#98
20180216735
2018-08-02

High pressure dynamic sealing device

#99
20180209435
2018-07-26

Centrifugal compressor

#100
20180202304
2018-07-19

Constant speed 2 piece ring seal arrangement

#101
20180195617
2018-07-12

Injection molded seal rings and methods for making them

#102
20180195616
2018-07-12

Seal rings and methods for making them

#103
20180180185
2018-06-28

Intershaft seal assembly

#104
20180180096
2018-06-28

Circumferential back-to-back seal assembly with bifurcated flow

#105
20180135759
2018-05-17

Shaft seal assembly

#106
20180087393
2018-03-29

Intershaft seal with asymmetric sealing ring and centrifugal retaining plates

#107
20180058584
2018-03-01

Seal ring

#108
20180058238
2018-03-01

Floating, non-contact seal with angled beams

#109
20180051809
2018-02-22

Seal ring

#110
20180051807
2018-02-22

Sealing device

#111
20180045314
2018-02-15

Seal ring

#112
20180010692
2018-01-11

Seal ring and sealing structure

#113
20170350511
2017-12-07

Seal assembly with deflectable sealing member

#114
20170350266
2017-12-07

Joined two ply w seal

#115
20170343110
2017-11-30

Sealing device

#116
20170306959
2017-10-26

Oil-free screw compressor having atmosphere open hole formed in casing and communication hole formed in shaft seal device

#117
20170306780
2017-10-26

FLOATING, NON-CONTACT SEAL WITH ROUNDED EDGE

#118
20170268677
2017-09-21

Non-symmetrical seal ring

#119
20170261107
2017-09-14

Seal ring assembly for a dynamoelectric machine

#120
20170259898
2017-09-14

Sealing system, method and watercraft

#121
20170234432
2017-08-17

Ceramic seal runner support system

#122
20170234430
2017-08-17

Ceramic seal runner and mount for a rotating shaft

#123
20170167221
2017-06-15

Rotating control device having a partition seal assembly

#124
20170122127
2017-05-04

Non-contacting seals for geared gas turbine engine bearing compartments

#125
20170016350
2017-01-19

Seal runner with controlled oil lubrication

#126
20170009889
2017-01-12

Sealing ring

#127
20160377181
2016-12-29

Split circumferential lift-off seal segment

#128
20160356283
2016-12-08

Seal structure and supercharger provided with the seal structure

#129
20160327162
2016-11-10

FLOATING SEALING METHOD OF FLOATING BUSHING SEALING RECIPROCATING IMPACT APPARATUS AND FLOATING SEALING RECIPROCATING IMPACT APPARATUS OF SEALING FLOATING BUSHING OF MINING LOADER

#130
20160290509
2016-10-06

Multi-piece sealing assembly

#131
20160273375
2016-09-22

Radial seal with offset relief cut

#132
20160238134
2016-08-18

Seal ring

#133
20160223084
2016-08-04

Fluid-cushion sealing device

#134
20160208923
2016-07-21

Radial coverage piston ring groove arrangement

#135
20160208921
2016-07-21

Seal housing pre-taper

#136
20160208710
2016-07-21

Multi-stage inter shaft ring seal

#137
20160186865
2016-06-30

Thermally responsive controlled gap seal device

#138
20160186769
2016-06-30

Bushing seal for use in a pump

#139
20160177764
2016-06-23

Compliant seal assembly and method of operating

#140
20160169389
2016-06-16

Arch-bound ring seal and ring seal system including an arch-bound ring seal

#141
20160116066
2016-04-28

Seal ring

#142
20160115805
2016-04-28

Flexible film-riding seal

#143
20160053808
2016-02-25

Circumferential back-to-back seal assembly with bifurcated flow

#144
20150377364
2015-12-31

Floating ball valve seal

#145
20150345643
2015-12-03

Shaft Seal Assembly

#146
20150337960
2015-11-26

Sealing configuration for sealing a reciprocating piston rod of a piston compressor

#147
20150240948
2015-08-27

Seal ring

#148
20150184614
2015-07-02

Linear cross-head bearing for stirling engine

#149
20150152809
2015-06-04

Annular venturi burner for stirling engine

#150
20150130142
2015-05-14

Rotary machine secondary sealing assembly and method of assembling the same

#151
20150102251
2015-04-16

Floating ball valve seal

#152
20150069712
2015-03-12

Windback device for a circumferential seal

#153
20150049968
2015-02-19

Circumferential back-to-back seal assembly with bifurcated flow

#154
20150040751
2015-02-12

Stirling cycle machine

#155
20150014940
2015-01-15

Shaft seal assembly

#156
20140356145
2014-12-04

Centrifugal compressor having seal system

#157
20140345249
2014-11-27

Sealing mechanism for a regenerative gas turbine combustor

#158
20140319779
2014-10-30

Seal ring

#159
20140265145
2014-09-18

Seals for a gas turbine engine

#160
20140255156
2014-09-11

Non-contacting seals for geared gas turbine engine bearing compartments

#161
20140252720
2014-09-11

Floating high vacuum seal cartridge

#162
20140182282
2014-07-03

Floating rod seal for a stirling cycle machine

#163
20140123647
2014-05-08

Sealing structure for steam turbine

#164
20140062028
2014-03-06

Gas seal for aerospace engines and the like

#165
20140049010
2014-02-20

Intershaft seal

#166
20140049009
2014-02-20

Intershaft seal

#167
20140035238
2014-02-06

Dynamic backup ring assembly

#168
20140023303
2014-01-23

Seal for rolling bearing used in a wind turbine

#169
20140008876
2014-01-09

Seal ring

#170
20140008873
2014-01-09

Sealing device

#171
20140008872
2014-01-09

Sealing device

#172
20130330171
2013-12-12

Ring seal midplate

#173
20130313781
2013-11-28

Seal ring

#174
20130285331
2013-10-31

Thermally response controlled gap seal device

#175
20130283774
2013-10-31

Seal assembly for torque converter

#176
20130251523
2013-09-26

Intershaft seal with centrifugal compensation

#177
20130249172
2013-09-26

Seal arrangement for gas turbine engines

#178
20130202242
2013-08-08

Sealing ring with an elastic spring lip

#179
20130127120
2013-05-23

Seal ring

#180
20130075975
2013-03-28

Seal for oil-free rotary displacement compressor

#181
20130071242
2013-03-21

Thrust bearing system with inverted non-contacting dynamic seals for gas turbine engine

#182
20130069313
2013-03-21

Turbomachine secondary seal assembly

#183
20120304854
2012-12-06

Piston having position rings and support rings

#184
20120299248
2012-11-29

Shaft sealing ring for a barrier oil sealing system of a hydrogen-cooled generator

#185
20120294972
2012-11-22

Seal-ring shape forming apparatus

#186
20120292858
2012-11-22

Rotary seal arrangement

#187
20120274032
2012-11-01

SEAL-RING SHAPE FORMING METHOD, SEAL-RING SHAPE FORMING APPARATUS, AND SEAL RING

#188
20120261887
2012-10-18

Segmented intershaft seal assembly

#189
20120217704
2012-08-30

Gas seal for aerospace engines and the like

#190
20120195741
2012-08-02

Axial brush seal

#191
20120058000
2012-03-08

Self-Aligning Rod Seal

#192
20120043728
2012-02-23

Turbine engine seals

#193
20120018957
2012-01-26

SEAL RING

#194
20110298183
2011-12-08

Sealing arrangement for sealing a piston rod of a reciprocating compressor

#195
20110278799
2011-11-17

SEAL RING

#196
20110272892
2011-11-10

Low breakout friction energized gasket

#197
20110250056
2011-10-13

Circumferential sealing arrangement

#198
20110249926
2011-10-13

Seal for rolling bearing used in a wind turbine

#199
20110215535
2011-09-08

Low and reverse pressure application hydrodynamic pressurizing seals

#200
20110215530
2011-09-08

Low and reverse pressure application hydrodynamic pressurizing seals

#201
20110215529
2011-09-08

Hydrodynamic circumferential seal system for large translations

#202
20110210518
2011-09-01

Low and reverse pressure application hydrodynamic pressurizing seals

#203
20110210514
2011-09-01

Low and reverse pressure application hydrodynamic pressurizing seals

#204
20110162359
2011-07-07

DEVICE FOR SEALING A BEARING HOUSING OF AN EXHAUST-GAS TURBOCHARGER

#205
20110133410
2011-06-09

Hydrodynamic bore seal

#206
20110127726
2011-06-02

Hydrodynamic circumferential seal system for large translations

#207
20110127725
2011-06-02

Pressure-balanced floating seal housing assembly and method

#208
20110115164
2011-05-19

Low and reverse pressure application hydrodynamic pressurizing seals

#209
20110095487
2011-04-28

Centered floating seal

#210
20110079018
2011-04-07

Bleed air transfer tube

#211
20110049809
2011-03-03

Hydrodynamic circumferential seal system for large translations

#212
20110037235
2011-02-17

SEAL RING

#213
20110001293
2011-01-06

SLIDABLE GASKET AND A BEARING HAVING THE SAME

#214
20100225072
2010-09-09

Method of shape forming a seal-ring

#215
20100225067
2010-09-09

COATED RING SEAL

#216
20100202875
2010-08-12

Compressor-side shaft seal of an exhaust-gas turbocharger

#217
20100201074
2010-08-12

Gas seal for aerospace engines and the like

#218
20100196148
2010-08-05

Turbomachine

#219
20100196140
2010-08-05

Device for inhibiting the flow of oil along a rotating shaft

#220
20100194052
2010-08-05

Pressure Balanced Shaft Seal Assembly

#221
20100166544
2010-07-01

Turbomachinery

#222
20100143114
2010-06-10

Turbocharger sealing arrangement

#223
20100066027
2010-03-18

Intershaft seal assembly

#224
20100001475
2010-01-07

Piston ring seal

#225
20090289420
2009-11-26

Shaft seal assembly for hydrogen cooled turbine generator

#226
20090274570
2009-11-05

SELF-ALIGNING DYNAMIC CLEARANCE SEALS AND FLUID-MOVING DEVICES UTILIZING SUCH SEALS

#227
20090212502
2009-08-27

SEAL RING

#228
20090196742
2009-08-06

Retractable compliant plate seals

#229
20090194950
2009-08-06

Pressure balanced shaft seal assembly

#230
20090194948
2009-08-06

Locking joint seal

#231
20090179387
2009-07-16

SEALING FOR USE IN A LUBRICATION SYSTEM

#232
20090142180
2009-06-04

Circumferential sealing arrangement

#233
20090121440
2009-05-14

Dry-running piston rod sealing arrangement, and method for sealing a piston rod using one such arrangement

#234
20090079137
2009-03-26

SEALING RINGS

#235
20090051124
2009-02-26

Seal ring

#236
20080309184
2008-12-18

Support device for supporting a rotor for rotation

#237
20080284105
2008-11-20

LOW AND REVERSE PRESSURE APPLICATION HYDRODYNAMIC PRESSURIZING SEALS

#238
20080277882
2008-11-13

Seal ring

#239
20080260521
2008-10-23

Sealing arrangement

#240
20080240964
2008-10-02

SHAFT SEAL DEVICE FOR OIL-FREE ROTARY COMPRESSOR

#241
20080174074
2008-07-24

Ring seal with inner lip

#242
20080164658
2008-07-10

Slider seal assembly for gas turbine engine

#243
20080157479
2008-07-03

Low and reverse pressure application hydrodynamic pressurizing seals

#244
20080106042
2008-05-08

Rotary Seal

#245
20080042363
2008-02-21

ELECTRIC ROTATING MACHINE

#246
20080023919
2008-01-31

Seal ring

#247
20080012237
2008-01-17

DYNAMIC SEAL FOR USE IN HIGH-SPEED TURBOMACHINERY

#248
20080008591
2008-01-10

Seal for torque converter lockup clutch

#249
20080008579
2008-01-10

Arrangement for sealing off a gap between a first component and a second component

#250
20070237628
2007-10-11

Variable clearance positive pressure packing ring and carrier arrangement with coil type spring

#251
20070096397
2007-05-03

HYDRODYNAMIC BRUSH SEAL

#252
20070080503
2007-04-12

Sealing device

#253
20070075502
2007-04-05

Seal ring and seal device

#254
20070018409
2007-01-25

Hydrodynamic brush seal

#255
20060239816
2006-10-26

Integrated labyrinth and carbon seal

#256
20060210392
2006-09-21

Large radial movement compliant seal

#257
20060208427
2006-09-21

Pressure balanced annular seal

#258
20060147328
2006-07-06

Seal mechanism for fluid machine

#259
20060072707
2006-04-06

Method and apparatus for determining impact of faults on network service

#260
20060055120
2006-03-16

Seal ring

#261
20060055119
2006-03-16

Seal ring

#262
20060038355
2006-02-23

Seal ring

#263
20060033287
2006-02-16

Controlled gap carbon seal

#264
20050206249
2005-09-22

Electric rotating machine with bearing seals

#265
20050189720
2005-09-01

Dynamic seal for use in high-speed turbomachinery

#266
20050087933
2005-04-28

Seal for use between two mobile parts of a hydraulic machine

#267
20050042120
2005-02-24

Fluid-moving device with an internal passageway and a clearance seal