Patents-Review.com
ClassID:

144235 ⎘

F04D29/2255 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for centrifugal pumps; Special flow patterns flow-channels with a special cross-section contour, e.g. ejecting, throttling or diffusing effect

Recent Application in this class:
#1
20260085693
2026-03-26

Water Pump

 #2
20250369445
2025-12-04

IMPELLER PUMP APPARATUS FOR PUMPING SHEAR SENSITIVE FLUIDS

 #3
20250250927
2025-08-07

Heat Engine

 #4
20250020136
2025-01-16

A Multi-Phase Rotor, System and Method for Maintaining a Stable Vapour Cavity

 #5
20240191723
2024-06-13

Pump for conveying wastewater and impeller for such a pump

 #6
20240125219
2024-04-18

ELECTRICAL SUBMERSIBLE PUMP WITH SINGLE DIRECTION LUBRICANT FLOW

 #7
20230139727
2023-05-04

Compressor interstage throttle, and method of operating therof

 #8
20220325627
2022-10-13

Rotor having a plurality of spiral pathways to pass liquid or gas therethrough to increase power thereof

 #9
20210239128
2021-08-05

Single suction centrifugal blower

 #10
20210190073
2021-06-24

High efficiency double suction impeller

 #11
20210123455
2021-04-29

High-powered sanitary pump

 #12
20210071680
2021-03-11

Impeller for a liquid pump

 #13
20200393129
2020-12-17

Diffuser pipe with axially-directed exit

 #14
20190277303
2019-09-12

Centrifugal pump

 #15
20190257311
2019-08-22

High efficiency double suction impeller

 #16
20190078579
2019-03-14

Compact centrifugal apparatus for conveying a fluid

 #17
20190032495
2019-01-31

Endwall cooling system

 #18
20180128271
2018-05-10

HIGH EFFICIENCY DOUBLE SUCTION IMPELLER

 #19
20180100515
2018-04-12

High Efficiency Fan

 #20
20180045202
2018-02-15

Pump system for high pressure application

 #21
20180010608
2018-01-11

Hydrodynamic thrust bearings for rotary blood pump

 #22
20170227015
2017-08-10

Centrifugal pumps having anti-air-locking features

 #23
20170089355
2017-03-30

Impeller, centrifugal pump and electric pump

 #24
20170009777
2017-01-12

FLUID PUMP

 #25
20160208804
2016-07-21

Impeller shaft to bearing interface for centrifugal blood pump

 #26
20160138599
2016-05-19

Centrifugal pump

 #27
20160138597
2016-05-19

ROTARY PUMP WITH THRUST BEARINGS

 #28
20160108927
2016-04-21

PUMP IMPELLER FOR SUBMERGED PUMP AND SUBMERGED PUMP INCLUDING SAME

 #29
20160053770
2016-02-25

Dynamic pressure bearing pump

 #30
20160053769
2016-02-25

DYNAMIC PRESSURE BEARING PUMP

 #31
20150300357
2015-10-22

Pump system for high pressure application

 #32
20150275913
2015-10-01

Hydraulic Turbines with Exit Flow Direction Opposite to its Inlet Flow Direction

 #33
20150211522
2015-07-30

Relating to centrifugal pump impellers

 #34
20150159670
2015-06-11

Impeller for centrifugal rotary machine, and centrifugal rotary machine

 #35
20150016981
2015-01-15

Centrifugal fluid machine

 #36
20140348675
2014-11-27

Pump

 #37
20140105747
2014-04-17

Centrifugal pump impellers

 #38
20140064947
2014-03-06

Rotor machine intended to function as a pump or an agitator and an impeller for such a rotor machine

 #39
20130317283
2013-11-28

Hydrodynamic thrust bearings for rotary blood pump

 #40
20130287558
2013-10-31

LOW FLOW-HIGH PRESSURE CENTRIFUGAL PUMP

 #41
20120063942
2012-03-15

Rotary pump with thrust bearings

 #42
20110243732
2011-10-06

PUMP IMPELLER

 #43
20110158795
2011-06-30

Centrifugal pump impellers

 #44
20100322771
2010-12-23

Fluid machine

 #45
20100290901
2010-11-18

CENTRIFUGAL IMPELLER

 #46
20090304501
2009-12-10

Pond pump

 #47
20090280013
2009-11-12

Frustoconical centrifugal wheel

 #48
20090047119
2009-02-19

SUBMERSIBLE MULTISTAGE PUMP WITH IMPELLERS HAVING DIVERGING SHROUDS

 #49
20090004020
2009-01-01

Water Pump

 #50
20080031725
2008-02-07

Shrouded thrust bearings

 #51
20080021394
2008-01-24

Stabilizing drive for contactless rotary blood pump impeller

 #52
20070280841
2007-12-06

Hydrodynamic thrust bearings for rotary blood pumps

 #53
20060245921
2006-11-02

High flow/dual inducer/high efficiency impeller for liquid applications including molten metal

 #54
20060210394
2006-09-21

Fluid pump

 #55
20060120866
2006-06-08

Centrifugal impeller and pump apparatus

 #56
20050129502
2005-06-16

Impeller for molten metal pump with reduced clogging