ClassID:

151922

F16J15/4472 - CPC Classification

Classification description:

Sealings; Free-space packings; Labyrinth packings with axial path

Sub-classes:
Recent Application in this class:
#1
20260146672
2026-05-28

PRESSURE ACTIVATED NON-CONTACT SEALS AND SEAL ASSEMBLIES

#2
20250180122
2025-06-05

POWER TRANSMISSION DEVICE, AND ROBOT

#3
20250052324
2025-02-13

Shaft Seal Assembly

#4
20240384669
2024-11-21

TOOL FOR ALIGNMENT OF SEAL SEGMENTS

#5
20240383276
2024-11-21

CONTACT-FREE WHEEL BEARING PRE-SEAL AND WHEEL BEARING ARRANGEMENT WITH SUCH A PRE-SEAL

#6
20240353006
2024-10-24

Shaft Seal Assembly

#7
20240301917
2024-09-12

SEALING DEVICE

#8
20240200663
2024-06-20

Labyrinth seal and gas turbine

#9
20240175496
2024-05-30

Hand-Held Machine Tool Comprising a Spacer Element

#10
20240110628
2024-04-04

LABYRINTH SEAL

#11
20230366470
2023-11-16

LABYRINTH SEAL ARRANGEMENT

#12
20230279865
2023-09-07

Step seal for refrigerant compressors

#13
20230213096
2023-07-06

Shaft seal assembly

#14
20220349480
2022-11-03

Labyrinth sealing device for reducing gas intrusion

#15
20220307604
2022-09-29

Seal assembly with labyrinth channel

#16
20220268161
2022-08-25

Axial flow turbine

#17
20220213896
2022-07-07

Step seal for refrigerant compressors

#18
20220186627
2022-06-16

LABYRINTH SEAL COMPRISING AN ABRADABLE ELEMENT WITH VARIABLE CELL DENSITY

#19
20220136517
2022-05-05

Sealing device and integrated pump

#20
20220128150
2022-04-28

Sealing device for gas-liquid two-phase fluid medium under variable working conditions

#21
20220127968
2022-04-28

Rotating machine

#22
20220025974
2022-01-27

Labyrinth seal

#23
20210231216
2021-07-29

Self-centering seal component for high speed shaft assemblies

#24
20210222578
2021-07-22

FLUID CONTROL DEVICE AND ROTARY MACHINE

#25
20210222577
2021-07-22

Sealing device and rotary machine

#26
20210131489
2021-05-06

Bearing for a support mount

#27
20210079802
2021-03-18

Labyrinth seal with angled fins

#28
20210054938
2021-02-25

Non-contact seal with axial engagement

#29
20210010600
2021-01-14

Seal protection mechanism

#30
20200386319
2020-12-10

Labyrinth seal bearing housing

#31
20200347739
2020-11-05

Labyrinth seal with passive check valve

#32
20200300117
2020-09-24

Seal assembly for a gas turbine engine

#33
20200284352
2020-09-10

Shaft seal assembly

#34
20200271007
2020-08-27

Axial flow turbine

#35
20200224771
2020-07-16

Back to back bearing sealing systems

#36
20200157960
2020-05-21

Labyrinth seal with variable tooth heights

#37
20200157957
2020-05-21

Axial flow rotating machine

#38
20200103035
2020-04-02

Shaft seal assembly

#39
20200072357
2020-03-05

Modular labyrinth seal system usable with electric submersible pumps

#40
20200063589
2020-02-27

Bladed assembly for a stator of a turbine of a turbomachine comprising inclined sealing ribs

#41
20200011424
2020-01-09

Sealing element and bearing arrangement therewith

#42
20190353055
2019-11-21

Steam turbine plant

#43
20190271325
2019-09-05

Rotating machine

#44
20190234416
2019-08-01

Labyrinth seal

#45
20190195079
2019-06-27

Air seal attachment

#46
20190178292
2019-06-13

Seal structure and turbocharger

#47
20190162313
2019-05-30

Contactless labyrinth seal obtained by additive manufacturing

#48
20190153884
2019-05-23

Labyrinth seal with variable tooth heights

#49
20190145524
2019-05-16

Burner seal of a gas turbine and method for manufacturing the same

#50
20190136863
2019-05-09

Labyrinth seal

#51
20190120387
2019-04-25

Labyrinth Seal With Sensors

#52
20190093495
2019-03-28

Hydrostatic seal pinned cartridge

#53
20190093494
2019-03-28

Labyrinth seal for a turbine engine of an aircraft

#54
20190072185
2019-03-07

LABYRINTH SEAL AND LABYRINTH SEAL STRUCTURE

#55
20190003328
2019-01-03

Sealing device

#56
20180372158
2018-12-27

Seal fin, seal structure, and turbo machine

#57
20180371927
2018-12-27

Seal structure and turbine

#58
20180355979
2018-12-13

Step seal, seal structure, turbo machine, and method for manufacturing step seal

#59
20180355973
2018-12-13

Leak resistant pump

#60
20180347704
2018-12-06

Dynamic fluid seal

#61
20180347386
2018-12-06

Floating interstage seal assembly

#62
20180340615
2018-11-29

Shaped spring element for a non-contact seal device

#63
20180340439
2018-11-29

Axially compact pressurized seal

#64
20180292011
2018-10-11

Labyrinth seal bearing housing

#65
20180283558
2018-10-04

Interlocking axial labyrinth seal

#66
20180252114
2018-09-06

Turbine of gas turbine engine, comprising a labyrinth seal element

#67
20180238453
2018-08-23

Labyrinth seal

#68
20180209290
2018-07-26

Gas turbine seal

#69
20180202494
2018-07-19

Combination bearing and seal assembly for rotatable shafts

#70
20180187691
2018-07-05

One-piece labyrinth disc chamber for centrifugal well pump

#71
20180187567
2018-07-05

Labyrinth seal

#72
20180163557
2018-06-14

Sealing device and rotary machine

#73
20180156337
2018-06-07

Fluid machine having a labyrinth seal

#74
20180135759
2018-05-17

Shaft seal assembly

#75
20180119559
2018-05-03

Segmented annular seal

#76
20180119557
2018-05-03

Seal assembly

#77
20180100514
2018-04-12

Swirl brakes for compressors with teeth-on-rotor seals

#78
20180030845
2018-02-01

Seal device for turbine, turbine, and thin plate for seal device

#79
20180016928
2018-01-18

Turbine

#80
20170370476
2017-12-28

Rotary machine with seal device

#81
20170370237
2017-12-28

Turbine

#82
20170343111
2017-11-30

Labyrinth seal with lubricant directing projection

#83
20170321697
2017-11-09

Compressor having non-contact and contact seals

#84
20170292612
2017-10-12

Dynamic fluid seal

#85
20170234429
2017-08-17

System for the contactless sealing of a rotatably mounted shaft with respect to a housing, and gear unit

#86
20170175755
2017-06-22

Damper seal for double flow compressor arrangement

#87
20170167613
2017-06-15

Sealing structure for turbine

#88
20170159825
2017-06-08

Labyrinth seal

#89
20170159477
2017-06-08

Steam turbine rotor seal radial key member, related assembly and steam turbine

#90
20170159476
2017-06-08

Steam turbine rotor seal sliding key member, related assembly and steam turbine

#91
20170159473
2017-06-08

Steam turbine rotor seal key member, related assembly and steam turbine

#92
20170114655
2017-04-27

Sealing assembly

#93
20170073605
2017-03-16

Coating composition for lubricating coating film

#94
20170067397
2017-03-09

Hydrodynamic seals in bearing compartments of gas turbine engines

#95
20170022838
2017-01-26

Seal structure and rotary machine

#96
20170002672
2017-01-05

Sealing structure for turbocharger housing

#97
20160369925
2016-12-22

Labyrinth seal with tunable flow splitter

#98
20160348725
2016-12-01

Bearing assembly having labyrinth seal with pumping action

#99
20160341058
2016-11-24

Seal structure and rotating machine

#100
20160319684
2016-11-03

Sealing system with two rows of complementary sealing elements

#101
20160273658
2016-09-22

Sealing element

#102
20160177951
2016-06-23

Sectional sealing system for rotary screw compressor

#103
20160161003
2016-06-09

Sealing element with additional ring

#104
20160040721
2016-02-11

Bearing assembly with outboard bearing support cartridge

#105
20160024954
2016-01-28

Swirl interruption seal teeth for seal assembly

#106
20150354708
2015-12-10

System for the contactless sealing of a rotatably mounted shaft with respect to a housing, and gear unit

#107
20150300190
2015-10-22

Rotating machine

#108
20150260294
2015-09-17

Rotary machine

#109
20150226076
2015-08-13

Seal for a rotary machine

#110
20150132126
2015-05-14

Adjustable labyrinth seal

#111
20150130138
2015-05-14

Rotary machine aspirating seal assembly and method of assembling the same

#112
20150098668
2015-04-09

Bearing assembly with spacer for locating a seal sleeve

#113
20150097342
2015-04-09

Labyrinth seal and rotating machine comprising such a seal

#114
20150086343
2015-03-26

High damping labyrinth seal with helicoidal and helicoidal-cylindrical mixed pattern

#115
20150069712
2015-03-12

Windback device for a circumferential seal

#116
20150001807
2015-01-01

Oil deflector

#117
20140300057
2014-10-09

Fluid transfer seal assemblies, fluid transfer systems, and methods for transferring process fluid between stationary and rotating components using the same

#118
20140252721
2014-09-11

Slotted labyrinth seal

#119
20140219787
2014-08-07

Annular seals for non-contact sealing of fluids in turbomachinery

#120
20140210167
2014-07-31

Air cycle machine with seal shaft

#121
20140191476
2014-07-10

Labyrinth seal

#122
20140191475
2014-07-10

Interlocking hole pattern seal

#123
20140072415
2014-03-13

Swirl interruption seal teeth for seal assembly

#124
20140061341
2014-03-06

In line mill assembly with labyrinth seal

#125
20140054863
2014-02-27

SEAL ASSEMBLY FOR A TURBINE SYSTEM

#126
20140035231
2014-02-06

Seal system and method for rotary machine

#127
20130328273
2013-12-12

INTERNAL OIL SEAL FOR ELECTRIC MOTORS

#128
20130277917
2013-10-24

Shaft seal assembly

#129
20130259661
2013-10-03

Sealing structure for turbocharger housing

#130
20130259659
2013-10-03

Knife Edge Seal for Gas Turbine Engine

#131
20130241153
2013-09-19

Windback device for a circumferential seal

#132
20130149156
2013-06-13

Sealing arrangement for a wind turbine

#133
20130149118
2013-06-13

Labyrinth seals

#134
20130134679
2013-05-30

NON-CONTACTING SEAL ARRANGEMENT, ELECTROMECHANICAL SYSTEM HAVING A NON-CONTACTING SEAL ARRANGEMENT, AND METHOD OF FABRICATING A NON-CONTACTING SEAL ARRANGEMENT

#135
20130078091
2013-03-28

SEALING ARRANGEMENT

#136
20130049303
2013-02-28

Pressure balanced shaft seal assembly

#137
20120319356
2012-12-20

System for contactlessly sealing a rotably mounted shaft from a housing, and gear unit

#138
20120288360
2012-11-15

Turbine

#139
20120230818
2012-09-13

Airfoil and corresponding guide vane, blade, gas turbine and turbomachine

#140
20120193875
2012-08-02

Method and apparatus for labyrinth seal packing ring

#141
20120183388
2012-07-19

Systems and methods for swirl brake tapering

#142
20120156031
2012-06-21

Seal shaft for controlling fluid flow within an air cycle machine

#143
20120148389
2012-06-14

Seals in steam turbine

#144
20120126486
2012-05-24

Sealing assembly for use in turbomachines and methods of assembling same

#145
20120121393
2012-05-17

Turbine

#146
20120091662
2012-04-19

LABYRINTH SEAL SYSTEM

#147
20120080853
2012-04-05

Annular seals for non-contact sealing of fluids in turbomachinery

#148
20120056383
2012-03-08

Air riding seal

#149
20120043728
2012-02-23

Turbine engine seals

#150
20120027582
2012-02-02

FLOATING PACKING RING ASSEMBLY

#151
20120027573
2012-02-02

SEAL TEETH FOR SEAL ASSEMBLY

#152
20120025472
2012-02-02

LABYRINTH SEAL

#153
20120000308
2012-01-05

System for the contactless sealing of a rotatably mounted shaft with respect to a housing, and gear unit

#154
20110309585
2011-12-22

SHAFT SEAL DEVICE

#155
20110299984
2011-12-08

Air riding seal

#156
20110280715
2011-11-17

CURVED LABYRINTH SEALS

#157
20110272893
2011-11-10

Labyrinth Seal For A Turbomachine

#158
20110236185
2011-09-29

Interstage seal

#159
20110182719
2011-07-28

Method and apparatus for labyrinth seal packing rings

#160
20110163505
2011-07-07

Adverse pressure gradient seal mechanism

#161
20110068540
2011-03-24

Staggered seal assembly

#162
20110057396
2011-03-10

Air riding seal

#163
20100276892
2010-11-04

Packing seal rotor lands

#164
20100254643
2010-10-07

Wheel bearing apparatus for a vehicle

#165
20100244386
2010-09-30

Labyrinth seal and method of producing a labyrinth seal

#166
20100213674
2010-08-26

Air riding seal

#167
20100194052
2010-08-05

Pressure Balanced Shaft Seal Assembly

#168
20100171268
2010-07-08

System and method for providing compliant rotating seals

#169
20100166544
2010-07-01

Turbomachinery

#170
20100102514
2010-04-29

SHAFT SEALING DEVICE

#171
20100066024
2010-03-18

Seal member, assembly and method

#172
20100034646
2010-02-11

CENTRIFUGAL COMPRESSOR

#173
20090196743
2009-08-06

Turbocharger

#174
20090194950
2009-08-06

Pressure balanced shaft seal assembly

#175
20090190874
2009-07-30

Pillow block housing with tapered roller bearings

#176
20090160135
2009-06-25

LABYRINTH SEAL WITH REDUCED LEAKAGE FLOW BY GROOVES AND TEETH SYNERGISTIC ACTION

#177
20090142187
2009-06-04

Seals in steam turbine

#178
20090072487
2009-03-19

NOTCHED TOOTH LABYRINTH SEALS AND METHODS OF MANUFACTURE

#179
20090051119
2009-02-26

Gas turbine engine systems involving hydrostatic face seals with integrated back-up seals

#180
20080197575
2008-08-21

Damping device for a stationary labyrinth seal

#181
20080136115
2008-06-12

Floating sealing ring

#182
20080112800
2008-05-15

Finned Seals for Turbomachinery

#183
20080093805
2008-04-24

Sealing device for a rotating machine

#184
20070262122
2007-11-15

Atmospheric shield with a continuous channel seal for isolating welding components

#185
20070257444
2007-11-08

Annular seals for non-contact sealing of fluids in turbomachinery

#186
20070253810
2007-11-01

Method of making a wiper for a sealing labyrinth, and a thermomechanical part and a turbomachine including such a wiper

#187
20070245532
2007-10-25

Grouped reaction nozzle tip shrouds with integrated seals

#188
20070235946
2007-10-11

Air riding seal

#189
20070126187
2007-06-07

Seals and a method of making seals

#190
20070116556
2007-05-24

Thermostructural turbomachine part that is circularly symmetrical about a longitudinal axis, the part including an annular wiper, and a method of manufacture

#191
20070077142
2007-04-05

Shaft seal for a transmission expander or compressor, and transmission expander or compressor having a shaft seal

#192
20070069477
2007-03-29

Stepped labyrinth damper seal

#193
20070007730
2007-01-11

Air riding seal

#194
20060237914
2006-10-26

Swirl-reversal abradable labyrinth seal

#195
20060228209
2006-10-12

Abradable seal between a turbine rotor and a stationary component

#196
20060188190
2006-08-24

Seal for an antifriction bearing

#197
20060088409
2006-04-27

Grouped reaction nozzle tip shrouds with integrated seals

#198
20050285345
2005-12-29

Seal apparatus

#199
20050242518
2005-11-03

Slide ring seal

#200
20050214112
2005-09-29

Seal arrangement

#201
20050175446
2005-08-11

Compressor system with movable seal lands

#202
20050116425
2005-06-02

Finned seals for turbomachinery

#203
20050046122
2005-03-03

Sealing arrangement, especially for sealing the shaft of a spindle

#204
20050012275
2005-01-20

Shaft seal mechanism, shaft seal mechanism assembling structure and large size fluid machine

#205
15255657
2019-06-04

Passage arrangement for cooling, lubricating and reducing the size of rotary machines

#206
15255617
2019-01-22

Non-contracting bidirectional seal for gaseous rotary machines

#207
14952259
2018-08-21

Mechanical sealing system