F04D19/026 - CPC Classification Index

ClassID:

144083 ⎘

F04D19/026 - CPC Classification

Classification description:

Axial-flow pumps; Multi-stage pumps with a plurality of shafts rotating at different speeds

Recent Application in this class:

20240337264

2024-10-10

ARRANGEMENT FOR PRESSURIZING OF FLUID

20230287834

2023-09-14

Modular multistage turbine system for gas turbine engines

20230235740

2023-07-27

Arrangement for pressurizing of fluid

20200018317

2020-01-16

Arrangement for pressurizing of fluid

20190017436

2019-01-17

Clutched compressor section for gas turbine engine

20180223854

2018-08-09

Fluid processing machines and fluid production systems

20170159665

2017-06-08

Multistage turbomachine with embedded electric motors

20160333886

2016-11-17

AXIAL COMPRESSOR AND USE OF AN AXIAL COMPRESSOR

20130149115

2013-06-13

Recirculation fan and wind-guiding device thereof

#10

20130149104

2013-06-13

Recirculation fan and fan assembly thereof

#11

20130133332

2013-05-30

Systems and methods for changing a speed of a compressor boost stage in a gas turbine

#12

20120269652

2012-10-25

Control method of fan rotation speed

#13

20120107091

2012-05-03

Fan assembly

#14

20110311361

2011-12-22

System of compact contra-rotating propellers

#15

20090314003

2009-12-24

Gas turbine with at least one multi-stage compressor unit including several compressor modules

#16

20090067983

2009-03-12

Centerline compression turbine engine

#17

17688753

2022-12-27

Thin type counter-rotating axial air moving device