Patents-Review.com
ClassID:

144070 ⎘

F04D17/162 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260022709
2026-01-22

CENTRIFUGAL FAN

 #2
20260007843
2026-01-08

RESPIRATORY PRESSURE THERAPY SYSTEM

 #3
20250215891
2025-07-03

CENTRIFUGAL FAN

 #4
20250161606
2025-05-22

IMPELLER AND MOTOR ASSEMBLY

 #5
20250012293
2025-01-09

ELECTRIC WATER PUMP

 #6
20240418179
2024-12-19

FAN WHEEL AND A METHOD OF MANUFACTURING THEREOF

 #7
20240376908
2024-11-14

Centrifugal Fan Impeller, Fan and Air Conditioning System

 #8
20240307639
2024-09-19

RESPIRATORY PRESSURE THERAPY SYSTEM

 #9
20240216627
2024-07-04

RESPIRATORY PRESSURE THERAPY SYSTEM

 #10
20240026896
2024-01-25

CENTRIFUGAL AIR-SENDING DEVICE AND AIR-CONDITIONING APPARATUS

 #11
20230349386
2023-11-02

Centrifugal heat dissipation fan

 #12
20230340959
2023-10-26

Multi-stage turbomachine

 #13
20230211097
2023-07-06

Impeller and motor assembly

 #14
20230193910
2023-06-22

Portable blowing device

 #15
20230193909
2023-06-22

Portable blowing device

 #16
20230135727
2023-05-04

Impeller, multi-blade air-sending device, and air-conditioning apparatus

 #17
20220372990
2022-11-24

Impeller, multi-blade fan, and air-conditioning apparatus

 #18
20220341433
2022-10-27

Impeller-type exhaust apparatus for blocking electric heat

 #19
20220235786
2022-07-28

Portable blowing device

 #20
20220145893
2022-05-12

Impeller, multi-blade air-sending device, and air-conditioning apparatus

 #21
20220016375
2022-01-20

Respiratory pressure therapy system

 #22
20220010798
2022-01-13

BACKPACK BLOWER

 #23
20210372411
2021-12-02

Turbo fan, air sending device, air-conditioning device, and refrigeration cycle device

 #24
20210348611
2021-11-11

Double suction pump

 #25
20210310497
2021-10-07

Double inlet backward curved blower

 #26
20210293250
2021-09-23

Blower

 #27
20210285458
2021-09-16

Split nose blower scroll

 #28
20210277904
2021-09-09

Air mover

 #29
20210262485
2021-08-26

Centrifugal blower

 #30
20210239128
2021-08-05

Single suction centrifugal blower

 #31
20200277966
2020-09-03

Method to reduce entrance losses to increase fan inlet flow and reduce acoustic noise

 #32
20200263695
2020-08-20

Furnace air handler blower assembly utilizing a motor connected to an impeller fan that is suspended with mounting arms

 #33
20200129909
2020-04-30

Air purifier including bi-directional fans having different discharge directions

 #34
20190277305
2019-09-12

Air mover

 #35
20190269871
2019-09-05

Respiratory pressure therapy system

 #36
20190262561
2019-08-29

Impeller and motor assembly

 #37
20190234418
2019-08-01

Double inlet backward curved blower

 #38
20190136866
2019-05-09

Blower impeller for a handheld blower

 #39
20190104694
2019-04-11

Backpack blower

 #40
20190093660
2019-03-28

Double suction pump

 #41
20190032925
2019-01-31

Cooktops with integrated hoods

 #42
20180320698
2018-11-08

Local ventilation equipment and blower therein

 #43
20180320697
2018-11-08

Blower assembly kit, device kit and associated method

 #44
20180258948
2018-09-13

Centrifugal blower assemblies having a plurality of airflow guidance fins and method of assembling the same

 #45
20180156228
2018-06-07

Blower housing labyrinth seal

 #46
20180112668
2018-04-26

Furnace air handler blower assembly utilizing a motor connected to an impeller fan that is suspended with mounting arms

 #47
20180023582
2018-01-25

Blower

 #48
20180023579
2018-01-25

Blower

 #49
20170284413
2017-10-05

Centrifugal blower

 #50
20170058914
2017-03-02

Centrifugal fan

 #51
20160355069
2016-12-08

Suction pulser intended for a heating, ventilation and/or air-conditioning device of a motor vehicle

 #52
20160153458
2016-06-02

Centrifugal fan

 #53
20160102676
2016-04-14

Fan and method of cooling a motor

 #54
20160084262
2016-03-24

Centrifugal blower

 #55
20150260198
2015-09-17

Method to reduce entrance losses to increase fan inlet flow and reduce acoustic noise

 #56
20150204338
2015-07-23

Fan apparatus and cooled electrical assembly

 #57
20140216460
2014-08-07

Impeller and motor assembly

 #58
20140133974
2014-05-15

Cooling fan and cooling device with cooling fan

 #59
20140127024
2014-05-08

Centrifugal fan impeller structure

 #60
20140105744
2014-04-17

Blower

 #61
20140099197
2014-04-10

Centrifugal fan with ancillary airflow opening

 #62
20140079569
2014-03-20

Fan with sound-muffling box

 #63
20140072434
2014-03-13

FAN IMPELLER STRUCTURE OF CENTRIFUGAL FAN

 #64
20140023521
2014-01-23

Furnace air handler blower assembly utilizing a motor connected to an impeller fan that is suspended with mounting arms

 #65
20130170945
2013-07-04

Furnace air handler blower with enlarged backward curved impeller and associated method of use

 #66
20130101451
2013-04-25

Double inlet centrifugal blower with a solid center plate

 #67
20130101449
2013-04-25

Double inlet centrifugal blower with peripheral motor

 #68
20130089425
2013-04-11

Blade structure for centrifugal fan

 #69
20130084187
2013-04-04

Blade structure for centrifugal fan

 #70
20120288384
2012-11-15

HEAT-DISSIPATION FAN

 #71
20120156024
2012-06-21

Fan module

 #72
20120128486
2012-05-24

Centrifugal fan and impeller thereof

 #73
20120121407
2012-05-17

Blower fan

 #74
20120107157
2012-05-03

AIR PUMP HAVING AN IMPELLER WITH DOUBLE-SIDED BLADES

 #75
20120057971
2012-03-08

Centrifugal blower

 #76
20100158719
2010-06-24

Electric ventilator with unit for controlling speed located in a container surrounding the motor

 #77
20090232676
2009-09-17

Single stage dual-entry centriafugal compressor, radial turbine gas generator

 #78
20090142179
2009-06-04

Centrifugal fan

 #79
20090123285
2009-05-14

Double suction type centrifugal fan

 #80
20080229776
2008-09-25

Centrifugal blower and air conditioner having the same

 #81
20080229721
2008-09-25

Air filter and fan device for vehicle ventilation systems

 #82
20080226446
2008-09-18

CENTRIFUGAL IMPELLER, FAN APPARATUS, AND ELECTRONIC DEVICE

 #83
20080117594
2008-05-22

Thermal module with centrifugal blower and electronic assembly incorporating the same

 #84
20070020085
2007-01-25

Centrifugal fan

 #85
20060120902
2006-06-08

Air pump capable of inflating an inflatable object

 #86
20060048518
2006-03-09

Thermoelectric heat exchanger

 #87
20050095126
2005-05-05

Centrifugal fan and housing thereof

 #88
20050058543
2005-03-17

Centrifugal fan