ClassID:

144239

F04D29/2277 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point

Recent Application in this class:
#1
20260078760
2026-03-19

MODULAR CRYOGENIC PERMANENT MAGNET ELECTRICAL MOTORS AND GENERATORSFOR SUBMERGED MOTOR PUMPS AND TURBINES AND RELATED SYSTEMS AND METHODS

#2
20250197254
2025-06-19

HYDRODYNAMIC CAVITATION SYSTEM FOR THE REMOVAL OF UNWANTED, TOXIC, OR CONTAMINATED ORGANIC AND INORGANIC COMPOUNDS

#3
20240392789
2024-11-28

MODULAR CRYOGENIC PERMANENT MAGNET ELECTRICAL MOTORS AND GENERATORS FOR SUBMERGED MOTOR PUMPS AND TURBINES AND RELATED SYSTEMS AND METHODS

#4
20240392787
2024-11-28

INDUCERS FOR CRYOGENIC PUMPS AND RELATED SYSTEMS AND METHODS

#5
20230193925
2023-06-22

Drainage pump

#6
20230077333
2023-03-16

Hydrodynamic cavitation system for the removal of unwanted, toxic, or contaminated organic and inorganic compounds

#7
20220356885
2022-11-10

Inducer for a submersible pump for pumping a slurry containing solids and viscous fluids and method of designing same

#8
20220018362
2022-01-20

Compensation assemblies for fluid handling devices and related devices, systems, and methods

#9
20210003138
2021-01-07

Pump with housing having internal grooves

#10
20200158125
2020-05-21

High Flow and Low NPSHr Horizontal Pump

#11
20190345955
2019-11-14

IMPELLER PUMP

#12
20190033152
2019-01-31

Abnormality determination device and abnormality determination method

#13
20180291919
2018-10-11

Impellers for engine mounted boost stage pumps

#14
20180209447
2018-07-26

Centrifugal Pump Blade Profile

#15
20180058466
2018-03-01

Self-priming pump

#16
20170191488
2017-07-06

Molten metal impeller and shaft

#17
20170051752
2017-02-23

Horizontal pumping system with primary stage assembly and separate NPSH stage assembly

#18
20170037863
2017-02-09

Anti-icing impeller spinner

#19
20170037856
2017-02-09

Integral pump pressure relief valve

#20
20160341201
2016-11-24

Magnetic pump

#21
20160305447
2016-10-20

Rotating diffuser pump

#22
20160208759
2016-07-21

Centrifugal fuel pump with variable pressure control

#23
20160097400
2016-04-07

Impeller for engine-mounted boost stage fuel pump

#24
20160097399
2016-04-07

Volute for engine-mounted boost stage fuel pump

#25
20150044026
2015-02-12

Inducer for centrifugal pump

#26
20150010394
2015-01-08

Inducer

#27
20140348675
2014-11-27

Pump

#28
20140050585
2014-02-20

Impeller, rotary machine including the same, and method for manufacturing impeller

#29
20130330185
2013-12-12

Inducer with cavitation instability controls to reduce vibrations and radial loads

#30
20130320148
2013-12-05

IMPELLER, CENTRIFUGAL PUMP INCLUDING THE SAME, AND AIRCRAFT FUEL SYSTEM INCLUDING THE CENTRIFUGAL PUMP

#31
20130183155
2013-07-18

Fuel system centrifugal boost pump impeller

#32
20130121804
2013-05-16

Fluid movement system and method for determining impeller blade angles for use therewith

#33
20120121421
2012-05-17

Flow vector control for high speed centrifugal pumps

#34
20110123321
2011-05-26

Inducer for centrifugal pump

#35
20110064568
2011-03-17

Fluid pump

#36
20110027076
2011-02-03

Counter rotation inducer housing

#37
20110027071
2011-02-03

MULTI-STAGE INDUCER FOR CENTRIFUGAL PUMPS

#38
20100061849
2010-03-11

FROTH HANDLING PUMP

#39
20100061841
2010-03-11

FROTH HANDLING PUMP

#40
20100038309
2010-02-18

Separator drum and compressor impeller assembly

#41
20090246022
2009-10-01

FIRE FIGHTING PUMP AND ITS OPERATING METHODS

#42
20090090798
2009-04-09

Inducer comminutor

#43
20080286096
2008-11-20

Drain pump, and air conditioner provided therewith

#44
20080226467
2008-09-18

IMPELLER WITH ANTI-VAPOR LOCK MECHANISM

#45
20080159847
2008-07-03

Centrifugal Pump With Screw Pump Accelerator and Reverse Flow Vane

#46
20080080973
2008-04-03

Impeller and diffuser with a rotating and converging hub

#47
20080080965
2008-04-03

Pump comprising an axial balancing system

#48
20070160461
2007-07-12

High performance inducer

#49
20070036642
2007-02-15

Bridged inducer

#50
20060245921
2006-11-02

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

#51
20060171800
2006-08-03

Drain pump, and air conditioner provided therewith

#52
20060110245
2006-05-25

Inducer, and inducer-equipped pump

#53
20050238479
2005-10-27

Centrifugal pump with screw pump accelerator

#54
20050191172
2005-09-01

Inducer with shrouded rotor for high speed applications