Patents-Review.com
ClassID:

144205 ⎘

F04D29/124 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260029023
2026-01-29

PROPELLER SHAFT HYBRID LIP AND LABYRINTH SEAL

 #2
20250389201
2025-12-25

SEAL LEAK GAS RECOVERY SYSTEM USING AN EJECTOR AND METHOD

 #3
20250382993
2025-12-18

PROPELLER SHAFT HYBRID LIP AND LABYRINTH SEAL

 #4
20250283476
2025-09-11

HELICAL SEAL FOR MULTI-STAGE COMPRESSOR

 #5
20250012289
2025-01-09

SYSTEM AND METHOD FOR INJECTING DRY GASES INTO GAS COMPRESSOR

 #6
20250003425
2025-01-02

CLOSED-LOOP COOLING FLUID CIRCUIT FOR MAGNETIC BEARINGS OF AN EXPANDER-COMPRESSOR SYSTEM

 #7
20240418178
2024-12-19

Compressor arrangement with reduced process gas consumption

 #8
20240133310
2024-04-25

SEAL LEAK GAS RECOVERY SYSTEM USING AN EJECTOR AND METHOD

 #9
20240026893
2024-01-25

SEALING GAS LEAKAGE RECOVERY AND SEALING GAS BOOSTING SYSTEM AND METHOD

 #10
20220381349
2022-12-01

Shaft sealing arrangement

 #11
20220381258
2022-12-01

Sealing system

 #12
20220307514
2022-09-29

Containment or separation seal

 #13
20220235790
2022-07-28

Reduced emission gas seal

 #14
20220235789
2022-07-28

Compressor arrangement and method of operating a compressor

 #15
20210309372
2021-10-07

Turbine housing for a two wheel air cycle machine

 #16
20210222701
2021-07-22

Porous carbon containment or separation seal

 #17
20210095683
2021-04-01

Reduced emission gas seal

 #18
20210048035
2021-02-18

Dry gas seal including oil repellant surface

 #19
20200332901
2020-10-22

Sliding component

 #20
20200309146
2020-10-01

Sealing system

 #21
20200278030
2020-09-03

Gas-lubricated mechanical seal having improved soiling protection

 #22
20190316524
2019-10-17

Shield for arranging between a bearing and a rotating seal element

 #23
20190271325
2019-09-05

Rotating machine

 #24
20190211835
2019-07-11

Reduced emission gas seal

 #25
20190072102
2019-03-07

Compressor system equipped for fugitive gas handling and fugitive gas system operating method

 #26
20190049019
2019-02-14

THRUST BEARING AS A SEAL

 #27
20190017414
2019-01-17

Fluid-cooled seal arrangement for a gas turbine engine

 #28
20190010951
2019-01-10

Radial compressor and exhaust gas recirculation system

 #29
20190003481
2019-01-03

Dry gas seal cooling arrangement and method

 #30
20180372112
2018-12-27

HEAT EXCHANGE SYSTEM FOR A TURBOMACHINE AND AN ASSOCIATED METHOD THEREOF

 #31
20180320710
2018-11-08

Sealing system, turbomachine with a sealing system and method for cleaning the same

 #32
20180274388
2018-09-27

Oil seal structure and compressing apparatus including the same

 #33
20180266265
2018-09-20

Dry gas seal

 #34
20180245600
2018-08-30

Seal gas supply control method, seal gas supply control apparatus, and rotary machine

 #35
20180119704
2018-05-03

Filter with integrated heater, and rotary machine system

 #36
20170363209
2017-12-21

Rotary machine system

 #37
20170356453
2017-12-14

Reduced emission gas seal

 #38
20170343257
2017-11-30

Gas recovery system for compressor, compressor system, and refrigeration cycle system

 #39
20170298955
2017-10-19

SYSTEM AND METHOD FOR RAPID PRESSURIZATION OF A MOTOR/BEARING COOLING LOOP FOR A HERMETICALLY SEALED MOTOR/COMPRESSOR SYSTEM

 #40
20170198813
2017-07-13

Mechanical seal

 #41
20170191487
2017-07-06

Compressor end head heating arrangement

 #42
20170191486
2017-07-06

Fluid energy machine having a tandem dry gas seal

 #43
20170184130
2017-06-29

Dry gas extraction device and method

 #44
20170175900
2017-06-22

Pump sealing device

 #45
20160160872
2016-06-09

Turbocharger purge seal including axisymmetric supply cavity

 #46
20160091094
2016-03-31

Porous media ventless seal

 #47
20160090991
2016-03-31

Thrust bearing as a seal

 #48
20160032840
2016-02-04

Shield for arranging between a bearing and a rotating seal element

 #49
20160032771
2016-02-04

Fluid-cooled seal arrangement for a gas turbine engine

 #50
20160024953
2016-01-28

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

 #51
20150330402
2015-11-19

Sealing assembly for turbomachine

 #52
20150330401
2015-11-19

Centrifugal steam compressor and shaft seal system used with same

 #53
20150322959
2015-11-12

TURBO MACHINE AND METHOD FOR THE OPERATION THEREOF

 #54
20150308443
2015-10-29

Compressor with thrust balancing and method thereof

 #55
20150292346
2015-10-15

Process gas compressor/gas turbine section

 #56
20150159662
2015-06-11

Efficient and reliable subsea compression system

 #57
20150118018
2015-04-30

COMPRESSOR, SEAL GAS DELIVERY, AND METHOD

 #58
20140314545
2014-10-23

Shaft sealing system and method with seal oil recuperator system

 #59
20140225325
2014-08-14

Seal assembly for centrifugal compressors

 #60
20140161587
2014-06-12

Seal monitoring and control system

 #61
20140037422
2014-02-06

System and cooling for rapid pressurization of a motor-bearing cooling loop for a hermetically sealed motor/compressor system

 #62
20140030063
2014-01-30

Shaft seal insert

 #63
20130302184
2013-11-14

Compressor motor windage loss mitigation

 #64
20130195649
2013-08-01

Compressor employing a dry gas seal

 #65
20130058769
2013-03-07

Compressor end head heating arrangement

 #66
20120093643
2012-04-19

MULTISTAGE TURBOCOMPRESSOR

 #67
20110031103
2011-02-10

Method and apparatus for removal of oil from utility gas stream

 #68
20100294374
2010-11-25

Seal leakage gas recovery system

 #69
20100254811
2010-10-07

Dry gas blow down seal

 #70
20100212493
2010-08-26

Methods of generating and utilizing utility gas

 #71
20100180589
2010-07-22

CHARGING DEVICE FOR A COMBUSTION ENGINE

 #72
20100139776
2010-06-10

Driven separator for gas seal panels

 #73
20090290971
2009-11-26

Seal monitoring and control system

 #74
20090246004
2009-10-01

Recovery of expander-booster leak gas

 #75
20070147988
2007-06-28

Centrifugal compressor and dry gas seal system for use in it

 #76
20070102139
2007-05-10

Heat exchanger for centrifugal compressor gas sealing

 #77
20070085278
2007-04-19

Tandem dual element intershaft carbon seal

 #78
20050058533
2005-03-17

Sealing arrangement in a compressor

 #79
19039163
2026-02-17

Seal gas contamination detection and seal gas supply switchover system

 #80
14644705
2015-10-20

Complex path design of the flinger and insert