ClassID:

143941

F04D1/066 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps; Multi-stage pumps of the vertically split casing type the casing consisting of a plurality of annuli bolted together

Recent Application in this class:
#1
20240175339
2024-05-30

High volume axial flow electric submersible pump (ESP) pump stage

#2
20240102487
2024-03-28

Pump assembly

#3
20220090602
2022-03-24

Balancing axial thrust in submersible well pumps

#4
20210363996
2021-11-25

Liquid pressurizing apparatus and urea synthesis plant

#5
20210277901
2021-09-09

Single wheel multi-stage radially-layered regenerative pump

#6
20200248695
2020-08-06

Balancing axial thrust in submersible well pumps

#7
20200067376
2020-02-27

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

#8
20190211833
2019-07-11

Vertical pump and urea synthesis plant

#9
20190085667
2019-03-21

ELECTRIC SUBMERSIBLE PUMP CONFIGURATION

#10
20180363659
2018-12-20

Multi-stage centrifugal pump having tie rods formed from sheet metal

#11
20180223854
2018-08-09

Fluid processing machines and fluid production systems

#12
20180003177
2018-01-04

Ring section pump having intermediate tie rod combination

#13
20150330391
2015-11-19

Back-to-back centrifugal pump

#14
20150098794
2015-04-09

Turbine-pump system bowl assembly

#15
20150098793
2015-04-09

Turbine-pump system

#16
20130164125
2013-06-27

Centrifugal pump

#17
20130028760
2013-01-31

Pump motor combination

#18
20100284831
2010-11-11

ADAPTORS FOR MULTISTAGE PUMP ASSEMBLIES

#19
20100119363
2010-05-13

High-efficiency, multi-stage centrifugal pump and method of assembly

#20
20100068031
2010-03-18

Multiple-stage centrifugal pump including a controlled leakage hydraulic balancing drum

#21
20100008796
2010-01-14

Pump assembly as well as method for the modular construction of a pump assembly

#22
20080019831
2008-01-24

Centrifugal Pump

#23
20070097784
2007-05-03

Process for the continuous production of emulsions

#24
20070059166
2007-03-15

Pump apparatus and methods of making and using same

#25
20070048158
2007-03-01

Low profile pump with first and second rotor arrangement

#26
20050147505
2005-07-07

Multistage pump

#27
18931222
2026-01-20

Miniature pump