ClassID:

151920

F16J15/445 - CPC Classification

Classification description:

Sealings; Free-space packings with means for adjusting the clearance

Recent Application in this class:
#1
20260002450
2026-01-01

SHAFT SEALING DEVICE AND ROTARY MACHINE

#2
20250223911
2025-07-10

SHAFT SEALING DEVICE AND ROTARY MACHINE

#3
20250052324
2025-02-13

Shaft Seal Assembly

#4
20240318724
2024-09-26

Flexible Structure

#5
20240318566
2024-09-26

Seal support assembly for a turbine engine

#6
20230323953
2023-10-12

Non-contact seal with seal device axial locator(s)

#7
20230287980
2023-09-14

Gap seal device

#8
20230003303
2023-01-05

Abradable seal

#9
20220349479
2022-11-03

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

#10
20220316598
2022-10-06

Non-contact seal assembly with multiple spaced spring elements

#11
20220307603
2022-09-29

NON-CONTACT SEAL ASSEMBLY WITH DAMPING ELEMENTS

#12
20220243604
2022-08-04

Method for manufacturing an abradable sealing element, and abradable sealing element

#13
20220065351
2022-03-03

Non-contact seal for rotational equipment with axially expended seal shoes

#14
20220003321
2022-01-06

Non-contact seal assembly with multiple axially spaced spring elements

#15
20210301925
2021-09-30

NON-CONTACT SEAL FOR ROTATIONAL EQUIPMENT WITH RADIAL THROUGH-HOLE

#16
20210108730
2021-04-15

Aspirating face seal assembly for a rotary machine

#17
20210054937
2021-02-25

Non-contact seal assembly with chamfered seal shoe

#18
20200400033
2020-12-24

Labyrinth seal abradable structure, notably for aircraft turbine

#19
20200355194
2020-11-12

SEAL ASSEMBLY FOR COMPRESSOR

#20
20200325825
2020-10-15

Hydrostatic seal with secondary seal structural protection

#21
20200308976
2020-10-01

CONTROL RINGS

#22
20200284352
2020-09-10

Shaft seal assembly

#23
20200248817
2020-08-06

Mounting assembly for a ceramic seal runner

#24
20200248810
2020-08-06

HALO seal build clearance methods

#25
20200166143
2020-05-28

Aspirating face seal assembly for a rotary machine

#26
20200166142
2020-05-28

Aspirating face seal assembly for a rotary machine

#27
20200165931
2020-05-28

Hydrostatic seal with non-parallel beams for anti-tipping

#28
20200165930
2020-05-28

Hydrostatic seal with asymmetric beams for anti-tipping

#29
20200165928
2020-05-28

Hydrostatic seal with increased design space

#30
20200157962
2020-05-21

Halo seal access window openings

#31
20200088301
2020-03-19

ABRADABLE SEAL

#32
20200063589
2020-02-27

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

#33
20200056622
2020-02-20

SEALING ASSEMBLY FOR CENTRIFUGAL COMPRESSOR AND CENTRIFUGAL COMPRESSOR HAVING THE SAME

#34
20200025293
2020-01-23

Seal ring

#35
20190376401
2019-12-12

Controlled gap seal with surface discontinuities

#36
20190368615
2019-12-05

Non-contact seal with progressive radial stop(s)

#37
20190277149
2019-09-12

Turbine apparatus

#38
20190203607
2019-07-04

Leaf seal

#39
20190162311
2019-05-30

Wide differential pressure range air riding carbon seal

#40
20190101014
2019-04-04

Dual hydorstatic seal assembly

#41
20190017607
2019-01-17

Non-contact seal with progressive radial stop(s)

#42
20180347387
2018-12-06

Non-contact seal with monolithic/unitary carrier structure

#43
20180291814
2018-10-11

Nut with air seal

#44
20180252114
2018-09-06

Turbine of gas turbine engine, comprising a labyrinth seal element

#45
20180163557
2018-06-14

Sealing device and rotary machine

#46
20180135759
2018-05-17

Shaft seal assembly

#47
20180119559
2018-05-03

Segmented annular seal

#48
20180058240
2018-03-01

Floating non-contact seal vertical lip

#49
20180058238
2018-03-01

Floating, non-contact seal with angled beams

#50
20180058237
2018-03-01

Floating, non-contact seal with offset build clearance for load imbalance

#51
20180022297
2018-01-25

Seal for variable dynamic gaps

#52
20170350270
2017-12-07

Turbine ring and turbomachine

#53
20170343111
2017-11-30

Labyrinth seal with lubricant directing projection

#54
20170328232
2017-11-16

Clearance-control-type seal structure

#55
20170314409
2017-11-02

Aspirating face seal assembly and a method of operating the same

#56
20170276007
2017-09-28

Outer airseal insulated rub strip

#57
20170268372
2017-09-21

Blade outer air seal with spring centering

#58
20170145847
2017-05-25

Interstage seal housing optimization system in a gas turbine engine

#59
20160341628
2016-11-24

Method for monitoring health of a seal

#60
20160341318
2016-11-24

Abradable seal

#61
20160326900
2016-11-10

Control rings

#62
20160319684
2016-11-03

Sealing system with two rows of complementary sealing elements

#63
20160290150
2016-10-06

Seals for gas turbine engine

#64
20160245410
2016-08-25

Shaft seal assembly

#65
20160237842
2016-08-18

Gas turbine engine blade outer air seal thermal control system

#66
20160201805
2016-07-14

Wide differential pressure range air riding carbon seal

#67
20160186865
2016-06-30

Thermally responsive controlled gap seal device

#68
20160169394
2016-06-16

Self-centering labyrinth seal

#69
20160108750
2016-04-21

Circumferential seal with seal dampening elements

#70
20160097458
2016-04-07

Sealing segment

#71
20160053629
2016-02-25

Ring seal for blade outer air seal gas turbine engine rapid response clearance control system

#72
20160053627
2016-02-25

Flexible feather seal for blade outer air seal gas turbine engine rapid response clearance control system

#73
20160003076
2016-01-07

Knife edge with increased crack propagation life

#74
20150345643
2015-12-03

Shaft Seal Assembly

#75
20150132126
2015-05-14

Adjustable labyrinth seal

#76
20150110621
2015-04-23

Finger-foil seals and gas turbine engines employing the same

#77
20150098806
2015-04-09

Systems and methods for dynamically sealing a turbine engine

#78
20150016957
2015-01-15

Ceramic component for a turbomachine

#79
20150001807
2015-01-01

Oil deflector

#80
20140374993
2014-12-25

Pressure resistant static and dynamic seal assembly and method

#81
20140333032
2014-11-13

Labyrinth seal having labyrinth rings with different wear resistances

#82
20140191476
2014-07-10

Labyrinth seal

#83
20140161589
2014-06-12

Backup seals in rotary pumps

#84
20140159317
2014-06-12

Air-riding seal

#85
20140147242
2014-05-29

Seal systems for use in turbomachines and methods of fabricating the same

#86
20140062024
2014-03-06

Film riding seals for rotary machines

#87
20140008871
2014-01-09

Aerodynamic seals for rotary machine

#88
20130285331
2013-10-31

Thermally response controlled gap seal device

#89
20130259660
2013-10-03

Axial non-contact seal

#90
20130259640
2013-10-03

Metallic seal assembly, turbine component, and method of regulating airflow in turbo-machinery

#91
20130251523
2013-09-26

Intershaft seal with centrifugal compensation

#92
20130142628
2013-06-06

Abradable seal with axial offset

#93
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

#94
20130039738
2013-02-14

SELF-ADJUSTING SEAL

#95
20120228830
2012-09-13

Labyrinth seal and method for producing a labyrinth seal

#96
20120193875
2012-08-02

Method and apparatus for labyrinth seal packing ring

#97
20120177484
2012-07-12

Elliptical Sealing System

#98
20120148389
2012-06-14

Seals in steam turbine

#99
20120112415
2012-05-10

ROTATING SEAL RING WITH TARGETED SPLIT SURFACE ORIENTATION

#100
20120099985
2012-04-26

Abrasive cutter formed by thermal spray and post treatment

#101
20120027582
2012-02-02

FLOATING PACKING RING ASSEMBLY

#102
20120014778
2012-01-19

Sealing device for steam turbines and method for controlling sealing device

#103
20110309585
2011-12-22

SHAFT SEAL DEVICE

#104
20110304101
2011-12-15

Film riding pressure actuated leaf seal assembly

#105
20110250056
2011-10-13

Circumferential sealing arrangement

#106
20110229311
2011-09-22

SEAL ASSEMBLY

#107
20110182719
2011-07-28

Method and apparatus for labyrinth seal packing rings

#108
20110127728
2011-06-02

Sealing rings for a labyrinth seal

#109
20110091310
2011-04-21

Thermomechanical part constituting a body of revolution about a longitudinal axis and including at least one abradable ring for a sealing labyrinth

#110
20110062671
2011-03-17

Systems, methods, and apparatus for providing a magnetic seal

#111
20100301566
2010-12-02

Fluid activated shaft seal

#112
20100239415
2010-09-23

Spring system designs for active and passive retractable seals

#113
20100164179
2010-07-01

Seal structure

#114
20100158674
2010-06-24

Adaptive compliant plate seal assemblies and methods

#115
20100143103
2010-06-10

Seal and a method of manufacturing a seal

#116
20100143101
2010-06-10

COMPLIANT FOIL SEAL FOR ROTARY MACHINES

#117
20100078893
2010-04-01

ACTIVE RETRACTABLE SEAL FOR TURBOMACHINERY AND RELATED METHOD

#118
20090232433
2009-09-17

Sealing device and rolling bearing apparatus

#119
20090179386
2009-07-16

Gastight piston ring arrangement

#120
20090142189
2009-06-04

Abradable labyrinth tooth seal

#121
20090142187
2009-06-04

Seals in steam turbine

#122
20090121440
2009-05-14

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

#123
20090081028
2009-03-26

Developments relating to a rotor arrangement

#124
20090008881
2009-01-08

Labyrinth Seal For Adjusting Gap

#125
20080303218
2008-12-11

Fluid-activated shaft seal

#126
20080284109
2008-11-20

Seal assembly

#127
20080260522
2008-10-23

GAS TURBINE ENGINE WITH INTEGRATED ABRADABLE SEAL AND MOUNT PLATE

#128
20080136115
2008-06-12

Floating sealing ring

#129
20080098884
2008-05-01

Fluidic actuator for application inside turbomachinery

#130
20080089783
2008-04-17

Passive air seal clearance control

#131
20080084030
2008-04-10

Segmented air floating seal

#132
20080069697
2008-03-20

Repairable labyrinth seal

#133
20080014077
2008-01-17

Seal between relatively moveable members

#134
20080008579
2008-01-10

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

#135
20070295402
2007-12-27

Pressurized gas supply and control system for actuation of active seals in turbomachinery

#136
20070273104
2007-11-29

Abradable labyrinth tooth seal

#137
20070253810
2007-11-01

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

#138
20070248452
2007-10-25

Retractable compliant abradable sealing system and method for rotary machines

#139
20070243062
2007-10-18

Steam turbine variable clearance packing

#140
20070237628
2007-10-11

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

#141
20070197719
2007-08-23

Turbine friendly abradable material

#142
20070160467
2007-07-12

Flow machine for a fluid with a radial sealing gap

#143
20070147990
2007-06-28

SEALING DEVICE

#144
20070132193
2007-06-14

Compliant abradable sealing system and method for rotary machines

#145
20070132192
2007-06-14

Variable clearance packing ring arrangement

#146
20070126187
2007-06-07

Seals and a method of making seals

#147
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

#148
20070110562
2007-05-17

Annular wiper for a sealing labyrinth, and its method of manufacture

#149
20070053772
2007-03-08

Methods and apparatus for assembling a rotary machine

#150
20070040335
2007-02-22

AXIALLY ADJUSTABLE SEALING RING

#151
20060267289
2006-11-30

Hybrid abradable labyrinth damper seal

#152
20060249911
2006-11-09

Abradable and/or abrasive coating and brush seal configuration

#153
20060237914
2006-10-26

Swirl-reversal abradable labyrinth seal

#154
20060228209
2006-10-12

Abradable seal between a turbine rotor and a stationary component

#155
20060108745
2006-05-25

Fluid-activated shaft seal

#156
20060108744
2006-05-25

Self-adjusting gap seal between two movable components

#157
20060072707
2006-04-06

Method and apparatus for determining impact of faults on network service

#158
20050232764
2005-10-20

Flexible seal assembly between gas turbine components and methods of installation

#159
20050151325
2005-07-14

Seal arrangement in a machine

#160
20050126325
2005-06-16

Adjustable leak device for a rotating shaft