F04D17/167 - CPC Classification Index

ClassID:

144073 ⎘

F04D17/167 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps; Centrifugal pumps for displacing without appreciable compression Operating by means of fibrous or porous elements , e.g. with sponge rotors

Recent Application in this class:

20200132080

2020-04-30

FAN DEVICE

20190120243

2019-04-25

FAN IMPELLER STRUCTURE AND COOLING FAN THEREOF

20160102673

2016-04-14

Method and system of compressing gas with flow restrictions

20150023807

2015-01-22

Centrifugal gas compressor method and system

20150003007

2015-01-01

Techniques for improved volumetric resistance blower apparatus, system and method

20120070320

2012-03-22

Air blower

20090185906

2009-07-23

CENTRIFUGAL IMPELLER

20090135560

2009-05-28

HIGH EFFICIENCY FLUID MOVERS

20080286121

2008-11-20

Ejector-type rotary device

#10

20070177349

2007-08-02

High efficiency fluid mover

#11

20070140842

2007-06-21

HIGH EFFICIENCY FLUID MOVERS

#12

20070116561

2007-05-24

High efficiency fluid movers

#13

20060137313

2006-06-29

Adjustable, self-cleaning rotary machine which is intended to produce a flow of purefied fluid