Patents-Review.com
ClassID:

143961 ⎘

F04D7/02 - CPC Classification

Classification description:

Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type

Sub-classes:
Recent Application in this class:
#1
20260117782
2026-04-30

PUMP UNIT, PUMP SYSTEM, AND PUMP SYSTEM OPERATION METHOD

 #2
20260102549
2026-04-16

TEMPERATURE MANAGEMENT SYSTEM FOR PATIENTS DURING STATIONARY AND MOBILE ECLS/ECMO THERAPY

 #3
20250382964
2025-12-18

Centrifugal pump

 #4
20250361877
2025-11-27

DRYING-UP METHOD, COOLING-DOWN METHOD, AND HOT-UP METHOD FOR A PUMP APPARATUS

 #5
20250226711
2025-07-10

MECHANISM FOR MAINTAINING INTEGRITY OF PERMANENT MAGNETS IN DIRECTLY DRIVEN SEALLESS PUMPS AND TURBINES

 #6
20250207598
2025-06-26

PROPANE DEHYDROGENATION SYSTEM WITH SINGLE CASING REACTOR EFFLUENT COMPRESSOR AND METHOD

 #7
20250100704
2025-03-27

PUMP SYSTEM

 #8
20250043793
2025-02-06

PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR

 #9
20240410371
2024-12-12

SUBMERSIBLE PUMP

 #10
20240392797
2024-11-28

MONOLITHIC SHAFT FOR CRYOGENIC TURBO MACHINE, CRYOGENIC TURBO MACHINE AND METHOD FOR MANUFACTURING

 #11
20240384725
2024-11-21

ELECTRIC PUMP ASSEMBLY, MANUFACTURING METHOD FOR INSTALLING SUCH A PUMP ASSEMBLY

 #12
20240367923
2024-11-07

A PUMPING SYSTEM AND METHOD

 #13
20240328433
2024-10-03

Additively manufactured optimized fuel pump volute entrance

 #14
20240133392
2024-04-25

Method of preventing damage to a pump

 #15
20240102482
2024-03-28

Coolant Pump Having an Improved Gap Seal

 #16
20240011492
2024-01-11

FLUID-PATH SWITCHING APPARATUS AND METHOD OF PREVENTING IDLING ROTATION OF SUBMERSIBLE PUMP

 #17
20230405600
2023-12-21

AN AERO ACOUSTIC PROCESSING APPARATUS AND PROCESS FOR PROCESSING WASTE

 #18
20230279867
2023-09-07

Aircraft engine fuel pump

 #19
20230271112
2023-08-31

CENTRIFUGAL RESERVOIR PUMP USED FOR PROCESSING A HYDROGEN STREAM IN AN AIRCRAFT

 #20
20230228273
2023-07-20

PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR

 #21
20230020149
2023-01-19

Offshore wind turbine with a fluid supply assembly

 #22
20220381252
2022-12-01

PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR

 #23
20220331503
2022-10-20

TEMPERATURE MANAGEMENT SYSTEM FOR PATIENTS DURING STATIONARY AND MOBILE ECLS/ECMO THERAPY

 #24
20220268288
2022-08-25

Pump for immersion within a fluid reservoir

 #25
20220049702
2022-02-17

Dual priming system for a pump

 #26
20210372244
2021-12-02

Downhole pump with switched reluctance motor

 #27
20210324869
2021-10-21

High energy density turbomachines

 #28
20210285406
2021-09-16

Motor vehicle auxiliary power unit vacuum pump

 #29
20210239128
2021-08-05

Single suction centrifugal blower

 #30
20210095685
2021-04-01

PUMP SHAFT WITH FASTENING BOLTS

 #31
20200408217
2020-12-31

PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR

 #32
20200355184
2020-11-12

Motorized pump

 #33
20200248697
2020-08-06

COMBINED-PURPOSE PRESSURE BOOSTER PUMP

 #34
20200149539
2020-05-14

Adjustable rigid spacer coupling

 #35
20200080563
2020-03-12

Mechanism for Driving the Blades of a Centrifugal Pump for Transporting Liquids and Living Fauna

 #36
20200063607
2020-02-27

TURBOMACHINERY

 #37
20200056615
2020-02-20

Motorized pump

 #38
20200049150
2020-02-13

Heat insulating vessel for low temperature liquefied gas pump

 #39
20200040915
2020-02-06

Self-cleaning pump

 #40
20200037625
2020-02-06

Pump for pumping heat-sensitive fluids

 #41
20190368508
2019-12-05

ELECTRIC WATER PUMP

 #42
20190353165
2019-11-21

Systems and Methods for Managing Cuttings Using Eddy Pump and Tank

 #43
20190322551
2019-10-24

In-liquid plasma device

 #44
20190277233
2019-09-12

Self-limiting regenerative pumping element start stage for high speed centrifugal engine fuel pump and associated method

 #45
20190211833
2019-07-11

Vertical pump and urea synthesis plant

 #46
20190128275
2019-05-02

Wear ring for use in a pump

 #47
20190085858
2019-03-21

Centrifugal pump for cryogenic pumped media

 #48
20190048886
2019-02-14

ANTI-GAS LOCK ELECTRIC SUBMERSIBLE PUMP

 #49
20190048884
2019-02-14

Magnetic bearing for a turbomachine

 #50
20180346316
2018-12-06

Multiple pump system

 #51
20180340541
2018-11-29

Pump for immersion within a fluid reservoir

 #52
20180306200
2018-10-25

Wear ring for use in a pump

 #53
20180291921
2018-10-11

Volutes for engine mounted boost stages

 #54
20180283381
2018-10-04

Cryogenic installation comprising a circulator

 #55
20180258893
2018-09-13

Fuel pump and fuel supply system using the same

 #56
20180238130
2018-08-23

Proportional control of rig drilling mud flow

 #57
20180209418
2018-07-26

Lobe gear pump with inducer assembly and centrifugal pump having one fluid flow path

 #58
20180142691
2018-05-24

Eddy pump impeller

 #59
20180051700
2018-02-22

Systems and methods for sensing parameters in an ESP using multiple MEMS sensors

 #60
20180030561
2018-02-01

Hollow element manufacturing method and rotary machine manufacturing method

 #61
20170234332
2017-08-17

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

 #62
20170211576
2017-07-27

Progressive vortex pump

 #63
20170184110
2017-06-29

Fluid conditioning module

 #64
20170146015
2017-05-25

Dual motor drive for electric submersible pump systems

 #65
20170056789
2017-03-02

In-line centrifuge-separator pump

 #66
20170037861
2017-02-09

Seal section with internal lubricant pump for electrical submersible well pump

 #67
20170037856
2017-02-09

Integral pump pressure relief valve

 #68
20170022997
2017-01-26

Pump for the conveyance of a fluid with varying viscosity

 #69
20160331881
2016-11-17

Start-up algorithm for an implantable blood pump

 #70
20160312790
2016-10-27

Open water pump

 #71
20160312591
2016-10-27

Flexible hose for bellows pressure equalizer of electrical submersible well pump

 #72
20160281697
2016-09-29

Fuel system having serially arranged in-tank pumps

 #73
20160229681
2016-08-11

Multiple pump system

 #74
20160186776
2016-06-30

Pump for immersion within a fluid reservoir

 #75
20160186670
2016-06-30

Fuel System

 #76
20160177963
2016-06-23

Centrifugal pump, in particular for supplying power to rocket engines

 #77
20160160862
2016-06-09

Systems and methods for energy optimization for converterless motor-driven pumps

 #78
20160146225
2016-05-26

Washer pump apparatus for vehicle provided with improved water-proof structure

 #79
20160138613
2016-05-19

Threaded Connection with Engaging Lugs for Electrical Submersible Pump

 #80
20160130923
2016-05-12

Electric submersible pump inverted shroud assembly

 #81
20160108926
2016-04-21

Cartridge seal for a centrifugal pump

 #82
20160061384
2016-03-03

Compact liquid nitrogen pump

 #83
20160017701
2016-01-21

Below motor equalizer of electrical submersible pump and method for connecting

 #84
20150354581
2015-12-10

ELECTRIC MOTOR FOR A WATER PUMP

 #85
20150330400
2015-11-19

Metal bellows seal section and method to evacuate air during filling

 #86
20150300363
2015-10-22

Double seal pump with integral accumulator

 #87
20150292519
2015-10-15

Centrifugal pump in particular for waste water or polluted water

 #88
20150267714
2015-09-24

Variable Capacity Centrifugal Pump Assembly

 #89
20150107245
2015-04-23

Coupling of a turbopump for molten salts

 #90
20150098796
2015-04-09

Pump for immersion within a fluid reservoir

 #91
20150044026
2015-02-12

Inducer for centrifugal pump

 #92
20140377083
2014-12-25

COMPRESSOR SYSTEM FOR NATURAL GAS, METHOD OF COMPRESSING NATURAL GAS AND PLANT USING THEM

 #93
20140338764
2014-11-20

FLUID COLLECTION AND EXPULSION APPARATUS

 #94
20140034162
2014-02-06

Multiple pump system

 #95
20130227931
2013-09-05

Turbopump, in particular for feeding rocket engines

 #96
20130216405
2013-08-22

Cryogenic pump for liquefied gases

 #97
20130129541
2013-05-23

Magnetically coupled pump assembly

 #98
20130017075
2013-01-17

Electrical submersible pump

 #99
20120224982
2012-09-06

Pump for immersion within a fluid reservoir

 #100
20120111419
2012-05-10

Method for delivering fluids using a centrifugal pump

 #101
20110129327
2011-06-02

Ball bearing and pump for cryogenic use

 #102
20110058965
2011-03-10

In-line flow mixer

 #103
20110050017
2011-03-03

Method and apparatus for controlling a bearing through a pressure boundary

 #104
20110044831
2011-02-24

MOTOR WITH HIGH PRESSURE RATED CAN

 #105
20100300119
2010-12-02

Pump for supplying cryogenic coolant

 #106
20100284796
2010-11-11

PUMP

 #107
20100207285
2010-08-19

Underwater aeration device

 #108
20100061869
2010-03-11

Cryogenic fluid circulation pump

 #109
20090213686
2009-08-27

Method and Apparatus for Feeding Gaseous or Liquid Fluid into a Medium

 #110
20090162217
2009-06-25

Hydro-powered fluid transfer device and method

 #111
20090151953
2009-06-18

Submersible pump with surfactant injection

 #112
20090060706
2009-03-05

BALL BEARING AND PUMP FOR CRYOGENIC USE

 #113
20080156382
2008-07-03

Methods and apparatus for pumping liquefied gases

 #114
20080122226
2008-05-29

Compact assemblies for high efficiency performance of cryogenic liquefied gas expanders and pumps

 #115
20080101924
2008-05-01

Electrical submersible pump

 #116
20060104831
2006-05-18

Method and system for cooling a pump

 #117
20060073041
2006-04-06

Method and apparatus for cooling motor bearings of a high pressure pump

 #118
20050287025
2005-12-29

Method and apparatus for use in enhancing fuels

 #119
20050191172
2005-09-01

Inducer with shrouded rotor for high speed applications

 #120
20050127091
2005-06-16

Apparatus and method for draining reservoirs

 #121
20050123425
2005-06-09

Apparatus and method for draining reservoirs

 #122
20050112003
2005-05-26

Pump design for circulating supercritical carbon dioxide

 #123
18437855
2025-05-27

Efficient system for pumping low-density liquids

 #124
17208817
2022-07-05

Interlocking diffuser arrangement in electrical submersible pump

 #125
16380593
2020-10-27

Dual stage grinder pump

 #126
14452195
2015-12-08

Solids pump having feed guides