F04D17/18 - CPC Classification Index

ClassID:

144075 ⎘

F04D17/18 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps; Centrifugal pumps characterised by use of centrifugal force of liquids entrained in pumps

Recent Application in this class:

20230296095

2023-09-21

LIQUID BLADE PUMP

20220268286

2022-08-25

Centrifugal air compressor and control

20220228604

2022-07-21

Gas compressor with reduced energy loss

20220120294

2022-04-21

Gas compressor with reduced energy loss

20210172440

2021-06-10

Pump having liquid blades and an associated method of pumping

20200277970

2020-09-03

Gas compressor with reduced energy loss

20190331138

2019-10-31

Energy recovery-recycling turbine integrated with a capillary tube gas compressor

20190309763

2019-10-10

Control method of a compressor mechanically coupled to a turbine

20180231029

2018-08-16

Energy recovery-recycling turbine integrated with a capillary tube gas compressor

#10

20180216468

2018-08-02

BLADE CONTOUR OF A ROTOR FOR A LIQUID RING PUMP

#11

20160102673

2016-04-14

Method and system of compressing gas with flow restrictions

#12

20150023807

2015-01-22

Centrifugal gas compressor method and system