ClassID:

144204

F04D29/122 - CPC Classification

Classification description:

Details, component parts, or accessories; Sealings; Shaft sealings using sealing-rings especially adapted for elastic fluid pumps

Sub-classes:
Recent Application in this class:
#1
20260078775
2026-03-19

CONNECTION ASSEMBLY AND FAN

#2
20260029023
2026-01-29

PROPELLER SHAFT HYBRID LIP AND LABYRINTH SEAL

#3
20250382993
2025-12-18

PROPELLER SHAFT HYBRID LIP AND LABYRINTH SEAL

#4
20240263636
2024-08-08

IN A TURBOMACHINE, ROTOR STRUCTURE WITH SEAL ASSEMBLY AND METHOD IN CONNECTION WITH SAME

#5
20240084805
2024-03-14

Bench-top time of flight mass spectrometer

#6
20230250829
2023-08-10

Adapting assembly of a ceiling fan and ceiling fan having the same

#7
20220299039
2022-09-22

Rotating machine and mating ring included therein

#8
20220235790
2022-07-28

Reduced emission gas seal

#9
20220145891
2022-05-12

Compressor wheel device and supercharger

#10
20210340990
2021-11-04

Fluid machine

#11
20210285461
2021-09-16

Single-shaft turbo compressor

#12
20210207608
2021-07-08

Bench-top time of flight mass spectrometer

#13
20210164485
2021-06-03

Centrifugal multistage compressor

#14
20210095683
2021-04-01

Reduced emission gas seal

#15
20210088052
2021-03-25

Gas seal column pump

#16
20200325908
2020-10-15

High temperature face seal

#17
20200325788
2020-10-15

Bearing compartment seal configuration for a gas turbine engine

#18
20200263693
2020-08-20

Slurry seal assembly

#19
20200182254
2020-06-11

Rotating machine and mating ring included therein

#20
20200157962
2020-05-21

Halo seal access window openings

#21
20200149543
2020-05-14

Seal disassembly aid

#22
20200063872
2020-02-27

Mechanical seal and a slide ring thereof

#23
20190285182
2019-09-19

SEAL RING, SEALING ARRANGEMENT, AND USE OF A SEALING ARRANGEMENT

#24
20190211835
2019-07-11

Reduced emission gas seal

#25
20190203840
2019-07-04

Mechanical seal

#26
20190178292
2019-06-13

Seal structure and turbocharger

#27
20190170152
2019-06-06

Balancing system and method for turbomachine

#28
20190085859
2019-03-21

ROTATING MACHINE COMPRISING A SEAL RING DAMPING SYSTEM

#29
20190078569
2019-03-14

Slurry seal assembly

#30
20190055949
2019-02-21

Turbo-molecular pump

#31
20190049019
2019-02-14

THRUST BEARING AS A SEAL

#32
20190010951
2019-01-10

Radial compressor and exhaust gas recirculation system

#33
20190003597
2019-01-03

Compressor system

#34
20190003481
2019-01-03

Dry gas seal cooling arrangement and method

#35
20190003337
2019-01-03

ROTOR ASSEMBLY FOR AN EXHAUST GAS TURBOCHARGER

#36
20180363669
2018-12-20

Electric machine

#37
20180347583
2018-12-06

Casing assembly and rotary machine

#38
20180340436
2018-11-29

Flanged spring guide for a face seal arrangement

#39
20180328211
2018-11-15

Dry Gas Seal And Turbomachine Having A Dry Gas Seal

#40
20180283392
2018-10-04

Determining quality of gas for rotating equipment in a petrochemical plant or refinery

#41
20180223869
2018-08-09

Turbomachine and method of operating a turbomachine

#42
20180209436
2018-07-26

Centrifugal compressor having equalizing vent to prevent grease from being pushed out of a bearing

#43
20180187784
2018-07-05

Sliding component

#44
20180106265
2018-04-19

Sealing structure and turbocharger

#45
20180045066
2018-02-15

Non-contact seal with removal features

#46
20170356453
2017-12-14

Reduced emission gas seal

#47
20170356331
2017-12-14

ELECTRIC COMPRESSOR

#48
20170292611
2017-10-12

Mechanical seal assistance device and systems and methods for use thereof

#49
20170211581
2017-07-27

Centrifugal pump

#50
20170146019
2017-05-25

Multistage centrifugal pump with shaft hydraulic force compensation

#51
20160356283
2016-12-08

Seal structure and supercharger provided with the seal structure

#52
20160333711
2016-11-17

Flanged spring guide for a face seal arrangement

#53
20160305450
2016-10-20

Multi-stage electric centrifugal compressor

#54
20160160873
2016-06-09

Axially split pump

#55
20160131150
2016-05-12

Sealing mechanism and turbo refrigerator

#56
20160130967
2016-05-12

Modular turbocharger clearance seal

#57
20160130962
2016-05-12

Flow machine

#58
20160091094
2016-03-31

Porous media ventless seal

#59
20160024953
2016-01-28

Fluid flow machine using a gaseous medium for temperature control of a dry gas seal

#60
20150330395
2015-11-19

Seal of a compressor rotor

#61
20150267710
2015-09-24

Seal device and rotary machine

#62
20150110621
2015-04-23

Finger-foil seals and gas turbine engines employing the same

#63
20150056067
2015-02-26

Variable nozzle unit and variable-geometry turbocharger

#64
20150042044
2015-02-12

Sealing assembly

#65
20150023785
2015-01-22

Coupling for directly driven compressor

#66
20140161589
2014-06-12

Backup seals in rotary pumps

#67
20140147299
2014-05-29

Compensated barrier and lubrication fluids pressure regulation system for a subsea motor and pump module

#68
20130330171
2013-12-12

Ring seal midplate

#69
20130287555
2013-10-31

Compressor housing bearing and seal

#70
20130259679
2013-10-03

Dry gas seal assembly

#71
20130216377
2013-08-22

Induced draught fan

#72
20130142628
2013-06-06

Abradable seal with axial offset

#73
20130011256
2013-01-10

Mechanical seal unit, particularly for a fire extinguishing pump

#74
20120183388
2012-07-19

Systems and methods for swirl brake tapering

#75
20110198813
2011-08-18

Mechanical seal

#76
20110100473
2011-05-05

Sealing system assembly for high pressure fluid handling devices

#77
20100313435
2010-12-16

Method and system for adjusting a turbomachine gland seal

#78
20100254811
2010-10-07

Dry gas blow down seal

#79
20100202875
2010-08-12

Compressor-side shaft seal of an exhaust-gas turbocharger

#80
20090060408
2009-03-05

DIAMOND-COATED BEARING OR SEAL STRUCTURE AND FLUID MACHINE COMPRISING THE SAME

#81
20080012237
2008-01-17

DYNAMIC SEAL FOR USE IN HIGH-SPEED TURBOMACHINERY

#82
20060046129
2006-03-02

Sealing system assembly for high pressure fluid handling devices

#83
20050189720
2005-09-01

Dynamic seal for use in high-speed turbomachinery

#84
20050158166
2005-07-21

Traction drive shaft seal

#85
20050100462
2005-05-12

Concentric bearing and seal arrangement of a shaft in a hydrogen system

#86
20050069235
2005-03-31

Fluid bearing module

#87
16374250
2020-08-18

Multi-step bore turbocharger

#88
15627035
2018-08-21

Rotary seal for an industrial fan assembly