ClassID:

151893

F16J15/3448 - CPC Classification

Classification description:

Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member; Pressing means the pressing force resulting from fluid pressure

Recent Application in this class:
#1
20260146671
2026-05-28

SYSTEM AND METHOD FOR AUTOMATICALLY SENSING A POSITION OF A PACKING LOADING ASSEMBLY WITH A POSITION SENSOR

#2
20260117873
2026-04-30

CARTRIDGE SEALING DEVICE WITH SEMI-SOLID MUD FILLER AND CONFIGURED TO BE MOUNTED TO FLUID EQUIPMENT

#3
20260117872
2026-04-30

PRESSURE BALANCED SELF-REGULATING MECHANICAL PACKING SEALING ASSEMBLY

#4
20250361938
2025-11-27

SYSTEM AND METHOD FOR AUTOMATICALLY ENERGIZING PACKING MATERIAL WITH A PACKING LOADING ASSEMBLY

#5
20250354610
2025-11-20

HYDRAULICALLY SUPPORTED FACE SEAL

#6
20250314303
2025-10-09

PRESSURE BALANCED SELF-REGULATING MECHANICAL PACKING SEALING ASSEMBLY

#7
20240301761
2024-09-12

WASHPIPE ASSEMBLY

#8
20240240736
2024-07-18

ROTARY UNION

#9
20240200662
2024-06-20

HYDRAULICALLY SUPPORTED FACE SEAL

#10
20240167569
2024-05-23

MECHANICAL SEAL MATING RING WITH DIRECT THERMAL CONTROL

#11
20240060565
2024-02-22

SYSTEM AND METHOD FOR AUTOMATICALLY ENERGIZING PACKING MATERIAL WITH A PACKING LOADING ASSEMBLY

#12
20230407756
2023-12-21

Self-guiding carbon seal system

#13
20230383668
2023-11-30

Self-guiding carbon seal system

#14
20230279951
2023-09-07

Sealing device

#15
20220298921
2022-09-22

Self-guiding carbon seal system

#16
20220163128
2022-05-26

BUTTERFLY VALVE SEAT AND VALVE SEAT CAVITY

#17
20220128150
2022-04-28

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

#18
20210356062
2021-11-18

Flexible alignment sealing coupling

#19
20210341060
2021-11-04

Penetration sealing system

#20
20200408103
2020-12-31

Turbomachine provided with fluid sealing device

#21
20200347726
2020-11-05

Sealing arrangement

#22
20200224768
2020-07-16

Sliding component

#23
20200200274
2020-06-25

ROTARY SEAL ASSEMBLY AND ROTARY SEAL FOR HIGH-PRESSURE APPLICATIONS

#24
20200166141
2020-05-28

Mechanical seal

#25
20200070293
2020-03-05

Rotary seal

#26
20200049257
2020-02-13

Inner diameter rotating drum seal

#27
20190234517
2019-08-01

Apparatus for offshore work comprising a gear motor

#28
20190226585
2019-07-25

Hydrodynamic Intershaft Piston Ring Seal

#29
20190219169
2019-07-18

Mechanical seal arrangement and well bore conveyor device

#30
20190176226
2019-06-13

Piston for die casting machine

#31
20190162311
2019-05-30

Wide differential pressure range air riding carbon seal

#32
20190145523
2019-05-16

Hydraulically controllable mechanical seal

#33
20190056030
2019-02-21

Mechanical seal

#34
20180299015
2018-10-18

Sliding component

#35
20180223996
2018-08-09

Sliding component

#36
20180195619
2018-07-12

Rotary leadthrough for a vehicle

#37
20180187785
2018-07-05

SLIDING COMPONENT

#38
20180106374
2018-04-19

Sliding component

#39
20170227131
2017-08-10

Control or shutoff valve

#40
20170097095
2017-04-06

Mechanical seal

#41
20160377181
2016-12-29

Split circumferential lift-off seal segment

#42
20160312636
2016-10-27

Fluid seal structure of heat engine including steam turbine

#43
20160281856
2016-09-29

Mechanical seal

#44
20160273659
2016-09-22

Bearing, notably for a vehicle

#45
20160230892
2016-08-11

Mechanical seal

#46
20160201805
2016-07-14

Wide differential pressure range air riding carbon seal

#47
20160178065
2016-06-23

Mechanical seal

#48
20160169392
2016-06-16

Operable seal connector device

#49
20160152099
2016-06-02

Connector for transferring at least one fluid

#50
20160076595
2016-03-17

Variable torque bearing

#51
20160018004
2016-01-21

Hydraulically controllable mechanical seal

#52
20160003361
2016-01-07

Mechanical seal device

#53
20150377360
2015-12-31

Sliding parts

#54
20150361838
2015-12-17

Method and apparatus for rotating sleeve engine hydrodynamic seal

#55
20150167847
2015-06-18

Sliding component

#56
20150137458
2015-05-21

Stern tube sealing device

#57
20150125271
2015-05-07

Pump seal with thermal retracting actuator

#58
20140356160
2014-12-04

Mechanical seal

#59
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

#60
20140203517
2014-07-24

Mechanical face seal with a reverse trapezoidal face pattern

#61
20140117625
2014-05-01

Scooping hydrodynamic seal

#62
20140069100
2014-03-13

Compact double grounded mechanical carbon seal

#63
20140008876
2014-01-09

Seal ring

#64
20130322791
2013-12-05

Sealing device and rotary bearing therewith

#65
20130136583
2013-05-30

Fluid sealing device for rotating machines

#66
20130075973
2013-03-28

Rolling stand roll neck seal

#67
20130019752
2013-01-24

Gas separation device

#68
20120187636
2012-07-26

Mechanical seal device

#69
20120134799
2012-05-31

Adjustable mechanical seal

#70
20120107115
2012-05-03

Mechanical seal with improved seal assembly

#71
20120099984
2012-04-26

Mechanical seal

#72
20120098204
2012-04-26

Seal assemblies

#73
20120056383
2012-03-08

Air riding seal

#74
20110299984
2011-12-08

Air riding seal

#75
20110198813
2011-08-18

Mechanical seal

#76
20110057396
2011-03-10

Air riding seal

#77
20100213674
2010-08-26

Air riding seal

#78
20100164180
2010-07-01

Hydrodynamic intershaft seal and assembly

#79
20100156051
2010-06-24

DUST SEAL STRUCTURE OF INTERNAL MIXER

#80
20100089241
2010-04-15

Gas separation device

#81
20090278068
2009-11-12

Seal structure and control valve using said seal structure

#82
20080111315
2008-05-15

Static pressure type non-contact gas seal

#83
20080047756
2008-02-28

Hydrostatic mechanical seal with local pressurization of seal interface

#84
20070235946
2007-10-11

Air riding seal

#85
20070007730
2007-01-11

Air riding seal

#86
20050248093
2005-11-10

Shaft seal assembly and method

#87
20050161885
2005-07-28

Sliding ring fixing

#88
20050132703
2005-06-23

Rotating fluid machine

#89
20050098956
2005-05-12

Shaft seal

#90
20050046114
2005-03-03

Rotary seal member, assembly and methods for a hydraulic rotary swivel

#91
14740317
2017-08-15

Self-balancing air riding seal for a turbine