Patents-Review.com
ClassID:

144069 ⎘

F04D17/161 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps; Centrifugal pumps for displacing without appreciable compression Shear force pumps

Recent Application in this class:
#1
20250237200
2025-07-24

System and Method for Separating Fluids and Creating Magnetic Fields

 #2
20250163900
2025-05-22

System with a Disk-Pack Turbine

 #3
20250154940
2025-05-15

Fluid Processing System with a Disk-Pack Turbine

 #4
20250154939
2025-05-15

Gas Separation Device System Using Waveform Disks

 #5
20250099877
2025-03-27

Disk-Pack Turbine

 #6
20240001264
2024-01-04

Disk-pack turbine

 #7
20230116261
2023-04-13

Non-Sealed Vacuum Pump With Supersonically Rotatable Bladeless Gas Impingement Surface

 #8
20220333487
2022-10-20

Integrated power pump

 #9
20220282715
2022-09-08

Waveform disks for use in a disk-pack turbine

 #10
20220282714
2022-09-08

Waveform rotors and/or disks for use in a disk-pack turbine

 #11
20220282713
2022-09-08

Fluid Processing System with a Disk-Pack Turbine

 #12
20220275791
2022-09-01

Waveform Disks and a System Using the Waveform Disks

 #13
20210324863
2021-10-21

Non-sealed vacuum pump with supersonically rotatable bladeless gas impingement surface

 #14
20210322900
2021-10-21

Water treatment system

 #15
20210199123
2021-07-01

Tray-type fan impeller structure

 #16
20210131449
2021-05-06

Fan

 #17
20210079922
2021-03-18

Centrifugal pump and a pump housing

 #18
20210067000
2021-03-04

Fluid separation system and disk-pack turbine

 #19
20200256191
2020-08-13

BOUNDARY LAYER TURBOMACHINE

 #20
20200246726
2020-08-06

Water treatment system and method

 #21
20200208524
2020-07-02

Disc turbine with static distributor

 #22
20200191168
2020-06-18

Fluid-foil impeller and method of use

 #23
20190293074
2019-09-26

Laminar flow radial ceiling fan

 #24
20190195242
2019-06-27

Fan

 #25
20190041073
2019-02-07

AIR FLOW CAPTURE SYSTEM

 #26
20180266250
2018-09-20

Shear flow turbomachinery devices

 #27
20180216463
2018-08-02

Tubular adhesion turbine or pump

 #28
20180094869
2018-04-05

Multi-disk heat exchanger and fan unit

 #29
20180003163
2018-01-04

Disk array and disk-pack turbines

 #30
20170356467
2017-12-14

Blower apparatus

 #31
20170356465
2017-12-14

Blower apparatus

 #32
20170356463
2017-12-14

Blower apparatus

 #33
20170356460
2017-12-14

Blower apparatus

 #34
20170356455
2017-12-14

BLOWER APPARATUS

 #35
20170300094
2017-10-19

Viscous flow blower for thermal management of an electronic device

 #36
20170291124
2017-10-12

Disk-pack turbine

 #37
20160258442
2016-09-08

Boundary layer turbomachine

 #38
20150110614
2015-04-23

Hybrid drive engine

 #39
20150078883
2015-03-19

BLADELESS FLUID PROPULSION PUMP

 #40
20140308112
2014-10-16

SLIDE RING SEAL ARRANGEMENT WITH TESLA PUMP

 #41
20140119924
2014-05-01

Laminar flow radial ceiling fan

 #42
20140102115
2014-04-17

Turbo-engine, particularly internal combustion engine

 #43
20140070541
2014-03-13

Disk-pack turbine

 #44
20130071259
2013-03-21

Boundary layer disk turbine systems for controlling pneumatic devices

 #45
20130068314
2013-03-21

Boundary layer disk turbine systems for hydrocarbon recovery

 #46
20130039744
2013-02-14

Internal combustion boundary layer turbine engine (BLTE)

 #47
20120304391
2012-12-06

Pump and housing configuration for inflating and deflating an air mattress

 #48
20120240340
2012-09-27

Inflating an air mattress with a boundary-layer pump

 #49
20120227940
2012-09-13

Toroidal Fluid Mover and Associated Heat Sink

 #50
20120051908
2012-03-01

System and method for separating fluids and creating magnetic fields

 #51
20110268430
2011-11-03

Magnetic air heating and impelling apparatus

 #52
20110038707
2011-02-17

Bladeless fluid propulsion pump

 #53
20100310357
2010-12-09

RING WING-TYPE ACTINIC FLUID DRIVE

 #54
20100111720
2010-05-06

HIGH DISPLACEMENT AIR PUMP

 #55
20090220336
2009-09-03

Ventilation system and method for assembling the same

 #56
20060291997
2006-12-28

Fluid Flow Chambers and Bridges in Bladeless Compressors, Turbines and Pumps

 #57
20060216149
2006-09-28

Fluid Flow Channels in Bladeless Compressors, Turbines and Pumps

 #58
20050214108
2005-09-29

Multi-stage dry vacuum pump for high vacuum applications

 #59
20050019154
2005-01-27

Turbines and methods of generating power

 #60
15949773
2020-06-02

Magnetic air heating an impelling apparatus