Patents-Review.com
ClassID:

144169 ⎘

F04D29/044 - CPC Classification

Classification description:

Details, component parts, or accessories; Shafts or bearings, or assemblies thereof; Shafts Arrangements for joining or assembling shafts

Recent Application in this class:
#1
20250198419
2025-06-19

ELECTRIC SUBMERSIBLE PUMP (ESP) ASSEMBLY SHAFT COUPLING WITH AXIAL LOAD HANDLING CAPABILITY

 #2
20250101994
2025-03-27

SYSTEM AND METHOD FOR VIBRATION CONTROL

 #3
20250052246
2025-02-13

PUMP ASSEMBLY

 #4
20240418176
2024-12-19

SPRING ACTUATED AXIALLY LOCKING SHAFT COUPLING FOR BI-DIRECTIONAL LOADING

 #5
20240003303
2024-01-04

MODULARITY OF AN AIRCRAFT TURBOMACHINE

 #6
20230417244
2023-12-28

System comprising an electric machine and a hydraulic unit, as well as electric machine and hydraulic unit

 #7
20230417131
2023-12-28

TORSIONAL COUPLING FOR ELECTRIC HYDRAULIC FRACTURING FLUID PUMPS

 #8
20230383632
2023-11-30

ONE WAY CLUTCH TRAIN FOR ARRESTING BACKSPIN

 #9
20230358237
2023-11-09

LAYERED BARRIER CANS FOR PUMPS AND METHODS OF PRODUCING THE SAME

 #10
20230358235
2023-11-09

AXIAL FLUX MOTOR DRIVEN PUMP SYSTEMS FOR PRESSURIZING FLUID IN CLOSED LOOP SYSTEMS

 #11
20230349274
2023-11-02

Ring latch locking shaft coupling for bi-directional loading

 #12
20230349273
2023-11-02

Spring actuated axially locking shaft coupling for bi-directional loading

 #13
20230304504
2023-09-28

Electric submersible pump (ESP) assembly shaft coupling with axial load handling capability

 #14
20230151842
2023-05-18

Multi-piece pinion shaft assembly

 #15
20230128922
2023-04-27

System and method for a mechanical shaft lock on an electric submersible pump

 #16
20230075831
2023-03-09

SPRING SPACER COUPLING

 #17
20230051162
2023-02-16

Motor drive shaft spring clutch in electrical submersible pump

 #18
20230018516
2023-01-19

Assembly structure of a multi-stage impeller and wheel housing in a submersible pump

 #19
20220316490
2022-10-06

Pump shaft for a multi-stage pump

 #20
20220268291
2022-08-25

Rotary machine

 #21
20220190702
2022-06-16

Split can

 #22
20220178234
2022-06-09

Torsional coupling for electric hydraulic fracturing fluid pumps

 #23
20220136490
2022-05-05

Apparatus and method of rotational alignment of permanent magnet tandem motors for electrical submersible pump

 #24
20210348488
2021-11-11

Motor drive shaft spring clutch in electrical submersible pump

 #25
20210332827
2021-10-28

Impeller stack compression device and method

 #26
20210324867
2021-10-21

Shear pin and drive shaft spring brake in electrical submersible pump

 #27
20210285461
2021-09-16

Single-shaft turbo compressor

 #28
20210220684
2021-07-22

SUBMERSIBLE WATER LIFTING ASSEMBLY AND AUTOMATIC FIRE FIGHTING SYSTEM FOR UNMANNED PLATFORMS HAVING SAID SYSTEM

 #29
20210199099
2021-07-01

Apparatus and method of rotational alignment of permanent magnet tandem motors for electrical submersible pump

 #30
20210189899
2021-06-24

Patch rings and methods of use

 #31
20210071683
2021-03-11

Diffuser assembly for upward, downward and radial pump protection

 #32
20210062818
2021-03-04

Fan blade support assembly for fan blade, air duct assembly and air conditioner

 #33
20200386233
2020-12-10

High volume portable hand drill pump

 #34
20200224748
2020-07-16

Oil pump drive device

 #35
20200224664
2020-07-16

Pump device, especially for mobile means of transport

 #36
20200200255
2020-06-25

Modular pinion shaft for reciprocating pumps

 #37
20200191156
2020-06-18

Turbofan comprising a set of rotatable blades for blocking off the bypass flow duct

 #38
20200182309
2020-06-11

Viscous coupling for a coolant pump

 #39
20200158124
2020-05-21

Radial compressor shaft having an air cooling cavity

 #40
20200109716
2020-04-09

Fuel pump

 #41
20200011332
2020-01-09

Retaining ring anti-migration system and method

 #42
20200003221
2020-01-02

Shaft seal

 #43
20190234417
2019-08-01

Water pump

 #44
20190195233
2019-06-27

Spring spacer coupling

 #45
20190170184
2019-06-06

CONNECTION TYPE BETWEEN A POWER SOURCE AND A PROGRESSING CAVITY PUMP FOR SUBMERSIBLE APPLICATION

 #46
20190170150
2019-06-06

Magnetic rotation component

 #47
20190078578
2019-03-14

Rotary machine and impeller

 #48
20190048945
2019-02-14

Viscous coupling for a coolant pump

 #49
20190048883
2019-02-14

Rotational assembly

 #50
20180363669
2018-12-20

Electric machine

 #51
20180347577
2018-12-06

MODULAR STUB SHAFT ASSEMBLY FOR A CENTRIFUGAL PUMP

 #52
20180347576
2018-12-06

Deflection spring seal

 #53
20180320701
2018-11-08

Fan central barrel coupling structure

 #54
20180313358
2018-11-01

SHAFT COUPLING AND PUMP APPARATUS

 #55
20180283206
2018-10-04

Mitigation of effects of fan blade off in a gas turbine engine

 #56
20180216624
2018-08-02

Centrifugal pump assemblies having an axial flux electric motor and methods of assembly thereof

 #57
20180202534
2018-07-19

Modular pinion shaft for reciprocating pumps

 #58
20180156224
2018-06-07

Subsea produced non-sales fluid handling system and method

 #59
20180149157
2018-05-31

Torque transfer system for centrifugal pumps

 #60
20180045209
2018-02-15

TORQUE TRANSMITTING KEY FOR ELECTRIC SUBMERSIBLE PUMPS

 #61
20180016937
2018-01-18

Gas turbine and method for protecting a gas turbine in case of a shaft break

 #62
20180003187
2018-01-04

Mechanical seal for rotating shaft

 #63
20170363103
2017-12-21

Centrifugal pumps for medical uses

 #64
20170363102
2017-12-21

Shaft Seal

 #65
20170306966
2017-10-26

Subsea process lubricated water injection pump

 #66
20170248151
2017-08-31

SHRINK DISC CONNECTION FOR SURFACE PUMP THRUST CARRYING SHAFTS

 #67
20170226839
2017-08-10

Torsional coupling for electric hydraulic fracturing fluid pumps

 #68
20170211580
2017-07-27

Systems and methods for split coupled pump and jacking gland

 #69
20170198722
2017-07-13

Fluid pump with multiple pump heads

 #70
20160281508
2016-09-29

Turbomachine with a cooled coupling guard

 #71
20160186759
2016-06-30

Sealed pump

 #72
20160168964
2016-06-16

Magnetic coupling unit for submersible well pumps

 #73
20160115961
2016-04-28

Drive rotor for a magnetically coupled pump having tolerance rings

 #74
20160084255
2016-03-24

Pump arrangement

 #75
20160084050
2016-03-24

Threaded Connection with Secure Shoulder Ring for Electrical Submersible Pump

 #76
20150267705
2015-09-24

PUMP ARRANGEMENT

 #77
20150211524
2015-07-30

Torsional coupling for electric hydraulic fracturing fluid pumps

 #78
20140205477
2014-07-24

Centrifugal pump, a shaft therefor and a sleeve for coupling the shaft of a centrifugal pump to a shaft of a drive motor

 #79
20140178119
2014-06-26

Fixture used in rotary machine and method for transporting rotary machine

 #80
20130330211
2013-12-12

System and method for direct drive pump

 #81
20130315706
2013-11-28

POWER STEERING PUMP AND WATER PUMP ASSEMBLY

 #82
20130004346
2013-01-03

Helical driver to reduce stress in brittle bearing materials

 #83
20120306193
2012-12-06

COMBINATION COUPLING

 #84
20120164005
2012-06-28

Motor compressor unit having a torsionally flexible coupling

 #85
20120098358
2012-04-26

Tuned bearing

 #86
20110042101
2011-02-24

Latching mechanism for changing pump size

 #87
20100284830
2010-11-11

Surface pump assembly having a thrust chamber with a telescoping shaft

 #88
20100232950
2010-09-16

Multi-stage centrifugal pump assembly (shaft)

 #89
20090054167
2009-02-26

Molten metal pump components

 #90
20060104841
2006-05-18

Pump stabilizer and method

 #91
20050269885
2005-12-08

Pressurized bearing system for submersible motor

 #92
20050199384
2005-09-15

Shaft locking couplings for submersible pump assemblies

 #93
20050013714
2005-01-20

Molten metal pump components

 #94
13987471
2017-03-07

Drive shaft for marine water pump