F04D17/14 - CPC Classification Index

ClassID:

144067 ⎘

F04D17/14 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps; Centrifugal pumps for compressing or evacuating; Multi-stage pumps with means for changing the flow-path through the stages, e.g. series-parallel, e.g. side-loads

Recent Application in this class:

20230107601

2023-04-06

Modularized subsea compressor train and method of installation

20230025097

2023-01-26

Centrifugal compressor with recirculation passage

20220213898

2022-07-07

Turbofan

20220010802

2022-01-13

Centrifugal compressor with recirculation passage

20200240405

2020-07-30

System and method for evacuating a process space

20190249681

2019-08-15

Centrifugal compressor with recirculation passage

20190178259

2019-06-13

VARIABLE RETURN CHANNEL VANES TO EXTEND THE OPERATING FLOW RANGE OF A VAPOR CYCLE CENTRIFUGAL COMPRESSOR

20170350409

2017-12-07

Impeller and fan including the impeller

20170342894

2017-11-30

Turbocharger engine

#10

20170051661

2017-02-23

Turbocharger with compressor operable in either single-stage mode or two-stage serial mode

#11

20140356138

2014-12-04

Variable-speed multi-stage refrigerant centrifugal compressor with diffusers

#12

20120230840

2012-09-13

Gas compression

#13

20110280710

2011-11-17

Reversible system for injecting and extracting gas for fluid rotary machines

#14

20110239699

2011-10-06

Turbocompressor train and method for operation thereof and natural gas liquefaction plant having the turbocompressor train

#15

20110038737

2011-02-17

MULTI-STAGE COMPRESSOR

#16

20100296916

2010-11-25

Gas compressor

#17

20090031722

2009-02-05

Multistage exhaust turbocharger

#18

20070274822

2007-11-29

Vacuum Pump