Patents-Review.com
ClassID:

144207 ⎘

F04D29/128 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20250003425
2025-01-02

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

 #2
20250003418
2025-01-02

TANDEM SEAL PUMP

 #3
20240183361
2024-06-06

SEAL FLUSH COOLER ASSEMBLY FOR ROTARY SHAFT EQUIPMENT SEALS

 #4
20230358484
2023-11-09

FLUID COOLERS, HEAT EXCHANGERS, SEAL ASSEMBLIES AND SYSTEMS INCLUDING FLUID COOLERS OR HEAT EXCHANGERS AND RELATED METHODS

 #5
20220389935
2022-12-08

PUMP ARRANGEMENT FOR PUMPING BARRIER LIQUID AND A MECHANICAL SHAFT SEAL

 #6
20220381258
2022-12-01

Sealing system

 #7
20220349417
2022-11-03

Systems and methods for mapping hardware FIFO to processor address space

 #8
20220259981
2022-08-18

Erosion mitigating labyrinth seal mating ring

 #9
20220154733
2022-05-19

Permanent magnet direct-drive slurry pump based on gas film drag reduction

 #10
20220136517
2022-05-05

Sealing device and integrated pump

 #11
20210048036
2021-02-18

Tandem seal pump

 #12
20200408219
2020-12-31

PUMP AND SEALING SYSTEM

 #13
20200309146
2020-10-01

Sealing system

 #14
20200063872
2020-02-27

Mechanical seal and a slide ring thereof

 #15
20190383303
2019-12-19

Brushless DC motor and drain pump having the same

 #16
20190383302
2019-12-19

Bearing packing and feed pump

 #17
20190178258
2019-06-13

Shaft seals and liquid pump comprising same

 #18
20190154052
2019-05-23

BUSHING FOR ROTARY FLUID PUMPING EQUIPMENT

 #19
20190145421
2019-05-16

Shaft-sealing device

 #20
20180216625
2018-08-02

Shaft seal device and vertical pump with this shaft seal device

 #21
20180106374
2018-04-19

Sliding component

 #22
20180003187
2018-01-04

Mechanical seal for rotating shaft

 #23
20170241438
2017-08-24

Cooling or heating fluid circulation system of a cantilevered centrifugal pump

 #24
20170234332
2017-08-17

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

 #25
20170175900
2017-06-22

Pump sealing device

 #26
20170122324
2017-05-04

Pump drive unit for conveying a process fluid

 #27
20170114790
2017-04-27

Shaft seals and liquid pump comprising same

 #28
20170049944
2017-02-23

Slide device, mechanical seal, pump and auxiliary artificial heart system

 #29
20160348687
2016-12-01

Rotary machine and method for the heat exchange in a rotary machine

 #30
20160312785
2016-10-27

Circulation pump for cooling mechanical face seal of submersible well pump assembly

 #31
20160230892
2016-08-11

Mechanical seal

 #32
20160195103
2016-07-07

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

 #33
20160186769
2016-06-30

Bushing seal for use in a pump

 #34
20160177964
2016-06-23

Spiral flow constant pressure pump

 #35
20160108926
2016-04-21

Cartridge seal for a centrifugal pump

 #36
20160047385
2016-02-18

Valve and pump arrangement with valve

 #37
20150300363
2015-10-22

Double seal pump with integral accumulator

 #38
20150083370
2015-03-26

Pump sealing device

 #39
20140178178
2014-06-26

Gas seal assembly for cryogenic liquid turbomachines

 #40
20140169942
2014-06-19

Water pump

 #41
20140154071
2014-06-05

Air diffuser system for industrial pumps

 #42
20130075979
2013-03-28

Shaft seal device and pump apparatus using the same

 #43
20120263574
2012-10-18

Pressure compensating wet seal chamber

 #44
20120242046
2012-09-27

Slide ring seal arrangement for high circumferential velocities

 #45
20120163956
2012-06-28

Pressure compensating wet seal chamber

 #46
20120076643
2012-03-29

Sealing system for centrifugal pumps

 #47
20120027564
2012-02-02

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

 #48
20100111686
2010-05-06

Air diffuser system for industrial pumps

 #49
20100015000
2010-01-21

APPARATUS FOR SIMULTANEOUS SUPPORT OF PRESSURIZED AND UNPRESSURIZED MECHANICAL SHAFT SEALING BARRIER FLUID SYSTEMS

 #50
20080181765
2008-07-31

Seal chamber conditioning valve for a rotodynamic pump

 #51
20070217907
2007-09-20

Water pump with housing/impeller to enhance seal performance

 #52
20060198743
2006-09-07

Pump device

 #53
20050179208
2005-08-18

Shaft sealing arrangement for a pump for delivering hot fluids

 #54
20050147491
2005-07-07

Pump with seal rinsing feature

 #55
20050123395
2005-06-09

Self-compensating clearance seal for centrifugal pumps

 #56
20050053496
2005-03-10

Pulp pump