ClassID:

144068

F04D17/16 - page 3 - CPC Classification

Classification description:

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

Recent Application in this class:
#601
20130084173
2013-04-04

CENTRIFUGAL FAN

#602
20130077242
2013-03-28

Fan structure and electronic device applied with the same

#603
20130075065
2013-03-28

Sculpted fan housing

#604
20130064700
2013-03-14

Cooling fan with circuit board positioning structure and an assembly method thereof

#605
20130058783
2013-03-07

Impeller and centrifugal fan using the same

#606
20130052049
2013-02-28

Centrifugal fan

#607
20130052001
2013-02-28

CENTRIFUGAL BLOWER

#608
20130028720
2013-01-31

Centrifugal fan

#609
20130028710
2013-01-31

Compact low noise efficient blower for CPAP devices

#610
20130026865
2013-01-31

Motor and vehicle-mounted air conditioner using same

#611
20130022065
2013-01-24

Gas laser having radial and axial gas bearings

#612
20130004307
2013-01-03

IMPELLER AND CENTRIFUGAL FAN HAVING THE SAME

#613
20130004299
2013-01-03

Heating and ventilation fan for bathroom

#614
20130004114
2013-01-03

BEARING APPARATUS AND BLOWER FAN

#615
20120328969
2012-12-27

Fuel cell system with centrifugal blower system for providing a flow of gaseous medium thereto

#616
20120305224
2012-12-06

HEAT SINK

#617
20120285931
2012-11-15

Gas laser oscillation device and gas laser processing machine

#618
20120269617
2012-10-25

Cooling fan

#619
20120223640
2012-09-06

Solid state lighting devices and methods with rotary cooling structures

#620
20120219440
2012-08-30

Centrifugal ceiling fan

#621
20120219437
2012-08-30

Electric blower and electric cleaner using same

#622
20120211205
2012-08-23

Multi-blade centrifugal fan and air conditioner employing the same

#623
20120201704
2012-08-09

Fan assembly

#624
20120199129
2012-08-09

Blower

#625
20120156063
2012-06-21

Fan module

#626
20120156022
2012-06-21

Centrifugal fan and method for manufacturing the same

#627
20120148393
2012-06-14

Centrifugal fan

#628
20120138709
2012-06-07

DISK SPRAY DEVICE

#629
20120134794
2012-05-31

FAN AND AIR-CONDITIONING APPARATUS PROVIDED WITH FAN

#630
20120128486
2012-05-24

Centrifugal fan and impeller thereof

#631
20120121409
2012-05-17

Blower

#632
20120121389
2012-05-17

Compact and strengthened rotor assembly of a radiator fan

#633
20120057971
2012-03-08

Centrifugal blower

#634
20120057966
2012-03-08

FAN AND MANUFACTURING METHOD THEREOF

#635
20120051904
2012-03-01

Compact scroll fan assembly

#636
20120026677
2012-02-02

Dual operation centrifugal fan apparatus and methods of using same

#637
20110308777
2011-12-22

Cooling Module with Multiple Parallel Blowers

#638
20110194955
2011-08-11

ELECTRIC FAN

#639
20110180068
2011-07-28

Breathable gas apparatus with humidifier

#640
20110157824
2011-06-30

Centrifugal fan and electronic apparatus

#641
20110116943
2011-05-19

Stator structure, and motor and fan assembly using same

#642
20110073110
2011-03-31

Compact low noise efficient blower for CPAP devices

#643
20110031786
2011-02-10

CENTRIFUGAL AIR BLOWER AND AUTOMOBILE SEAT

#644
20110023877
2011-02-03

Breathable gas apparatus with humidifier

#645
20110017212
2011-01-27

Breathable gas apparatus with humidifier

#646
20100329886
2010-12-30

STOPPING STRUCTURE OF FAN

#647
20100310357
2010-12-09

RING WING-TYPE ACTINIC FLUID DRIVE

#648
20100303652
2010-12-02

MINIATURE HEAT-DISSIPATING FAN DEVICE

#649
20100264762
2010-10-21

Fan-motor unit

#650
20100232948
2010-09-16

Fan Housing

#651
20100209270
2010-08-19

Centrifugal fan

#652
20100142146
2010-06-10

Centrifugal fan and electronic device using same

#653
20100129243
2010-05-27

BLOWER, HOUSING AND WIND WHEEL THEREOF

#654
20100092282
2010-04-15

Centrifugal fan

#655
20090324403
2009-12-31

Impeller with Hybrid Blades for Blowers

#656
20090290307
2009-11-26

CENTRIFUGAL BLOWER AND ELECTRONIC DEVICE INCORPORATING THE SAME

#657
20090246013
2009-10-01

Compact low noise efficient blower for CPAP devices

#658
20090185919
2009-07-23

Fan assembly

#659
20090115276
2009-05-07

Outer rotor motor

#660
20090060738
2009-03-05

FAN AND MANUFACTURING METHOD THEREOF

#661
20090049843
2009-02-26

Domestic appliance comprising a thermoelectric heat pump

#662
20090016879
2009-01-15

Fan and frame with sensor-supporting structure thereof

#663
20080260527
2008-10-23

Fan assembly

#664
20080226472
2008-09-18

Air Blower

#665
20080219838
2008-09-11

Centrifugal fan

#666
20080063532
2008-03-13

Multiple-motor blower and impeller thereof

#667
20070253813
2007-11-01

Fan of heat sink

#668
20060213643
2006-09-28

Cooling apparatus and electronic equipment

#669
20060207748
2006-09-21

Cooling apparatus and electronic equipment

#670
20060093499
2006-05-04

Centrifugal blower

#671
20060081366
2006-04-20

Heat dissipation module and flow direction controlling structure thereof

#672
20050201861
2005-09-15

CENTRIFUGAL FAN

#673
20050188989
2005-09-01

Air assistance apparatus providing fast rise and fall of pressure within one patient's breath

#674
20050063823
2005-03-24

Fan having magnetic levitation blade assembly

#675
20050056405
2005-03-17

Cooling apparatus and electronic equipment

#676
19293033
2026-02-10

Dual-duct air pump

#677
19063198
2025-10-07

Ventilation fan device

#678
18848235
2025-06-24

Blower and air filter assembly

#679
18769808
2025-08-12

Composite fan

#680
18616722
2025-07-08

Truck cooler fan

#681
18233750
2024-10-08

Wearable air circulation devices and methods of use

#682
18167924
2023-07-18

Neck-hanging fan

#683
18127987
2024-04-23

Truck cooler fan

#684
18054331
2023-09-05

Plenum fan with telescoping blades

#685
17743063
2023-06-13

Dynamically controlled cooling device

#686
17552794
2023-04-25

Airflow-doubling vane structure

#687
17467472
2023-01-03

Centrifugal fan noise-lowering structure

#688
17364416
2022-11-29

Viscous flow fan impellers having wave blades

#689
15278220
2018-01-09

Heated air moving device

#690
15255430
2018-01-30

Inflating unit for use with an inflatable object

#691
15164149
2018-01-02

Mist blower