ClassID:

143942

F04D1/08 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps; Multi-stage pumps the stages being situated concentrically

Recent Application in this class:
#1
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MULTISTAGE PUMPING SYSTEM FOR ADAPTIVE OFFLOADING OF A LIQUID FROM A CONTAINER

#2
20250207598
2025-06-26

PROPANE DEHYDROGENATION SYSTEM WITH SINGLE CASING REACTOR EFFLUENT COMPRESSOR AND METHOD

#3
20240167478
2024-05-23

MOTOR PUMP, PUMP UNIT, AND METHOD OF BALANCING IMPELLER OF MOTOR PUMP

#4
20240141900
2024-05-02

VERTICALLY SUSPENDED CENTRIFUGAL PUMP WITH INTEGRAL SPEED REDUCER

#5
20230332604
2023-10-19

Fan Assembly and Vacuum Cleaner

#6
20230243354
2023-08-03

MODULAR COMPACT PUMP

#7
20220333615
2022-10-20

Vertical multi-stage pump

#8
20220243732
2022-08-04

Multi-stage rotor

#9
20220178381
2022-06-09

Process fluid lubricated pump and pumping system

#10
20220170476
2022-06-02

Pump

#11
20210363995
2021-11-25

Multistage centrifugal pump for conveying a fluid

#12
20210324868
2021-10-21

Process fluid lubricated pump

#13
20210285461
2021-09-16

Single-shaft turbo compressor

#14
20210071683
2021-03-11

Diffuser assembly for upward, downward and radial pump protection

#15
20200325901
2020-10-15

High viscosity pumping system and method of using same

#16
20200271126
2020-08-27

Multistage centrifugal fluid machine

#17
20200067376
2020-02-27

Compact, modular, pump or turbine with integral modular motor or generator and coaxial fluid flow

#18
20200063739
2020-02-27

TURBOMACHINERY

#19
20190211833
2019-07-11

Vertical pump and urea synthesis plant

#20
20190040862
2019-02-07

Permanent magnet pump

#21
20170227012
2017-08-10

ROTARY MACHINE

#22
20170184116
2017-06-29

Impeller and pump using the impeller

#23
20150285251
2015-10-08

Pump

#24
20130183137
2013-07-18

Centrifugal pump with secondary impeller and dual outlets

#25
20130115047
2013-05-09

Impeller vane with leading edge enhancement

#26
20120070268
2012-03-22

Single volute centrifugal pump with two stage impeller

#27
20080138189
2008-06-12

FUEL PUMP AND FUEL FEED APPARATUS HAVING THE SAME

#28
14796610
2017-06-13

Centrifugal pump impeller support system and apparatus