ClassID:

144202

F04D29/108 - CPC Classification

Classification description:

Details, component parts, or accessories; Sealings; Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated

Recent Application in this class:
#1
20220349417
2022-11-03

Systems and methods for mapping hardware FIFO to processor address space

#2
20220341429
2022-10-27

MECHANICAL BARRIER FLUID PRESSURE REGULATION FOR SUBSEA SYSTEMS

#3
20220325756
2022-10-13

Steam leakage compact bearing

#4
20220299033
2022-09-22

Gas Seal Column Pump for Elevated Temperature Applications

#5
20220282602
2022-09-08

SUBMERSIBLE WELL FLUID SYSTEM

#6
20220136517
2022-05-05

Sealing device and integrated pump

#7
20220056918
2022-02-24

Pump assembly and method of controlling a pump

#8
20200370561
2020-11-26

Centrifugal pump assembly and impeller

#9
20200095992
2020-03-26

Isolated chamber for mechanical face seal leakage in submersible well pump assembly

#10
20190383302
2019-12-19

Bearing packing and feed pump

#11
20190293073
2019-09-26

Pump assembly having an impeller, a motor, and a shaft, with the shaft passing from the motor to the impeller through a fluid reservoir and a seal arrangemnet with a tration

#12
20190234408
2019-08-01

Portable Self-priming Pump

#13
20190195057
2019-06-27

Submersible well fluid system

#14
20180363779
2018-12-20

Method of forming a cylindrical sealing body with integral diverted lantern ring for a rotary mechanical device

#15
20180231005
2018-08-16

Subsea barrier fluid system

#16
20180216625
2018-08-02

Shaft seal device and vertical pump with this shaft seal device

#17
20180209425
2018-07-26

Mechanical barrier fluid pressure regulation for subsea systems

#18
20170370372
2017-12-28

Rotary machine system

#19
20170321711
2017-11-09

ISOLATED THRUST CHAMBER FOR ESP SEAL SECTION

#20
20170234332
2017-08-17

Auxiliary shaft seal flushing system of a centrifugal pump and an axial flow pump

#21
20170130729
2017-05-11

Stuffing box body with integral diverted lantern ring

#22
20170114790
2017-04-27

Shaft seals and liquid pump comprising same

#23
20160341209
2016-11-24

METHOD AND SYSTEM FOR SUPPLYING BARRIER FLUID IN A SUBSEA MOTOR AND PUMP ASSEMBLY

#24
20160195103
2016-07-07

Turbo machine having a sealing unit, maintenance method, and associated maintenance device

#25
20160177963
2016-06-23

Centrifugal pump, in particular for supplying power to rocket engines

#26
20160047385
2016-02-18

Valve and pump arrangement with valve

#27
20150330400
2015-11-19

Metal bellows seal section and method to evacuate air during filling

#28
20150300363
2015-10-22

Double seal pump with integral accumulator

#29
20150192141
2015-07-09

Motor shroud for an electric submersible pump

#30
20140321972
2014-10-30

DRY GAS SEAL FOR SUPERCRITICAL CO2 PUMP-HIGH PRESSURE BUFFER

#31
20140178178
2014-06-26

Gas seal assembly for cryogenic liquid turbomachines

#32
20140154071
2014-06-05

Air diffuser system for industrial pumps

#33
20130189084
2013-07-25

Arrangement, a sealing assembly, a casing flange and a spacer for sealing the propeller shaft of a marine vessel

#34
20130075979
2013-03-28

Shaft seal device and pump apparatus using the same

#35
20120263574
2012-10-18

Pressure compensating wet seal chamber

#36
20120163956
2012-06-28

Pressure compensating wet seal chamber

#37
20120027564
2012-02-02

Method for the pressure regulation of a barrier fluid and a pumping device for a method of this kind

#38
20120014783
2012-01-19

Apparatus For Non-Clogging Pumps

#39
20110064592
2011-03-17

Underwater delivery unit

#40
20100239442
2010-09-23

Protection system for subsea seawater injection pumps

#41
20100150740
2010-06-17

Sealing system device

#42
20100111686
2010-05-06

Air diffuser system for industrial pumps

#43
20100080686
2010-04-01

Multistage high-pressure pump

#44
20090060408
2009-03-05

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

#45
20070132191
2007-06-14

Device and method for guiding at least two flow media

#46
20060213574
2006-09-28

Seal support system with discharging means

#47
20060204386
2006-09-14

Industrial pump and manufacturing method thereof

#48
20060198743
2006-09-07

Pump device

#49
20050110220
2005-05-26

Pressurized chamber seal cartridge

#50
15232496
2018-02-20

Impeller for liquid sealed pump

#51
14018854
2016-09-06

Liquid sealed pump