ClassID:

144302

F04D29/441 - page 3 - CPC Classification

Classification description:

Details, component parts, or accessories; Casings; Connections of working fluid for radial or helico-centrifugal pumps; Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps

Recent Application in this class:
#601
20150104303
2015-04-16

Turbocharger

#602
20150093267
2015-04-02

Centrifugal Impeller and Centrifugal Blower

#603
20150093098
2015-04-02

Nozzle for bladeless fan assembly with heater

#604
20150086349
2015-03-26

Powered ventilators

#605
20150071760
2015-03-12

Acoustic resonators for compressors

#606
20150064002
2015-03-05

Two-sided turbocharger wheel with differing blade parameters

#607
20150063996
2015-03-05

Inducer and diffuser configuration for a gas turbine system

#608
20150063980
2015-03-05

Functionally asymmetric two-sided turbocharger wheel and diffuser

#609
20150056069
2015-02-26

Rotary machine

#610
20150056062
2015-02-26

Centrifugal compressor

#611
20150050136
2015-02-19

Air intake duct structure for centrifugal fluid machine

#612
20150038070
2015-02-05

Ventilation system and method

#613
20150023787
2015-01-22

Air cycle machine compressor diffuser

#614
20150013945
2015-01-15

Centrifugal blower and air conditioner using the same

#615
20150003974
2015-01-01

Blower assembly for electronic device

#616
20140377053
2014-12-25

Centrifugal compressor

#617
20140369814
2014-12-18

Diffuser pipe for a gas turbine engine and method for manufacturing same

#618
20140348658
2014-11-27

Medallion fan

#619
20140325789
2014-11-06

Compressor flow path

#620
20140322003
2014-10-30

Turbocharger

#621
20140322002
2014-10-30

Sleepfan

#622
20140314544
2014-10-23

Devices and methods for reducing noise in a blower housing

#623
20140301828
2014-10-09

Fan performance by increasing effective blade height in a tolerance neutral manner

#624
20140294630
2014-10-02

COVER MODULE AND ELECTRIC BLOWER HAVING THE SAME

#625
20140294580
2014-10-02

Blowing device, and image forming apparatus

#626
20140294564
2014-10-02

Auxiliary power units and other turbomachines having ported impeller shroud recirculation systems

#627
20140271173
2014-09-18

CENTRIFUGAL COMPRESSOR WITH AXIAL IMPELLER EXIT

#628
20140271133
2014-09-18

Centrifugal blower assembly and method for assembling the same

#629
20140255175
2014-09-11

Centrifugal compressor and manufacturing method therefor

#630
20140208788
2014-07-31

Centrifugal compressor with extended operating range

#631
20140205470
2014-07-24

Fan assembly

#632
20140205450
2014-07-24

Fan and motor assembly and method of assembling

#633
20140205433
2014-07-24

Spiral pumping stage and vacuum pump incorporating such pumping stage

#634
20140178194
2014-06-26

Blower fan

#635
20140147261
2014-05-29

Centrifugal fan

#636
20140127059
2014-05-08

Centrifugal compressor assembly and method

#637
20140127023
2014-05-08

Centrifugal compressor impeller

#638
20140119892
2014-05-01

Mixed flow fan assembly

#639
20140105736
2014-04-17

Centrifugal compressor

#640
20140105723
2014-04-17

Gas turbine diffuser blowing method and corresponding diffuser

#641
20140099195
2014-04-10

Fan tray perforation pattern

#642
20140069095
2014-03-13

Engine system having intake conduit with surge inhibitor and method

#643
20140056739
2014-02-27

Ceiling fan

#644
20140030082
2014-01-30

Air delivery device

#645
20140003927
2014-01-02

Blower assembly

#646
20130343886
2013-12-26

Turbocharger compressor noise reduction system and method

#647
20130343885
2013-12-26

Scroll structure of centrifugal compressor

#648
20130343865
2013-12-26

Blower housing

#649
20130302155
2013-11-14

Centrifugal compressor and manufacturing method thereof

#650
20130294903
2013-11-07

Scroll shape of centrifugal compressor

#651
20130272865
2013-10-17

Scroll structure of centrifugal compressor

#652
20130266432
2013-10-10

Scroll structure of centrifugal compressor

#653
20130243586
2013-09-19

Compressor inlet manifold for a gas turbine engine

#654
20130243585
2013-09-19

Centrifugal fan and fan with sound-muffling box having the centrifugal fan built-in

#655
20130227952
2013-09-05

Two-surface sandwich structure for accommodating in-plane expansion of one of the surfaces relative to the opposing surface

#656
20130199372
2013-08-08

Fan assembly

#657
20130195606
2013-08-01

Inlet design for a pump assembly

#658
20130143479
2013-06-06

Heating ventilator for bathroom

#659
20130129544
2013-05-23

BARBECUE SMOKER AIR BLOWER AND THE METHOD OF INSTALLATION

#660
20130094980
2013-04-18

Handheld Electric Fan

#661
20130094953
2013-04-18

VARIABLE THICKNESS AND VARIABLE RADIUS STRUCTURAL RIB SUPPORT FOR SCROLLS AND TORUS

#662
20130092357
2013-04-18

Multiblade centrifugal fan and air conditioner equipped with the same

#663
20130075065
2013-03-28

Sculpted fan housing

#664
20130072105
2013-03-21

Ventilating fan

#665
20130064659
2013-03-14

CENTRIFUGAL COMPRESSOR

#666
20130058783
2013-03-07

Impeller and centrifugal fan using the same

#667
20130051973
2013-02-28

Compressor diffuser plate

#668
20130039750
2013-02-14

Compressor housing for supercharger and method for manufacturing the same

#669
20130036760
2013-02-14

Centrifugal compressor with fluid injector diffuser

#670
20130028710
2013-01-31

Compact low noise efficient blower for CPAP devices

#671
20130025967
2013-01-31

Acoustic array of polymer material

#672
20130017106
2013-01-17

Fan discharge duct having a scroll section

#673
20130017105
2013-01-17

Fan assembly with tangential air inlet

#674
20130017079
2013-01-17

DEBRIS BLOWING AND/OR VACUUM APPLIANCE

#675
20130004305
2013-01-03

Machine with Abradable Ridges and Method

#676
20130000308
2013-01-03

Diffuser pipe and assembly for gas turbine engine

#677
20120325442
2012-12-27

Air conditioner

#678
20120308374
2012-12-06

Diffuser-guide vane connection for a centrifugal compressor

#679
20120308370
2012-12-06

CENTRIFUGAL FAN

#680
20120294703
2012-11-22

Diffuser divider

#681
20120269659
2012-10-25

Die-cast diffuser for a turbocharger

#682
20120230812
2012-09-13

Intermediate floor for a radial turbine engine

#683
20120230658
2012-09-13

Fan assembly

#684
20120219440
2012-08-30

Centrifugal ceiling fan

#685
20120211205
2012-08-23

Multi-blade centrifugal fan and air conditioner employing the same

#686
20120201660
2012-08-09

Wet gas compressor systems

#687
20120199129
2012-08-09

Blower

#688
20120195747
2012-08-02

Centrifugal fan

#689
20120175079
2012-07-12

HEAT DISSIPATION DEVICE HAVING CENTRIFUGAL FAN

#690
20120171032
2012-07-05

Guide device for a centrifugal blower

#691
20120171030
2012-07-05

DISCHARGE SCROLL AND TURBOMACHINE

#692
20120171014
2012-07-05

Barrel-type multistage pump

#693
20120156027
2012-06-21

Air cycle machine compressor diffuser

#694
20120148393
2012-06-14

Centrifugal fan

#695
20120148391
2012-06-14

CENTRIFUGAL COMPRESSOR

#696
20120141264
2012-06-07

Air mover

#697
20120141262
2012-06-07

Air blower for an air conditioner

#698
20120134795
2012-05-31

Centrifugal fan

#699
20120128477
2012-05-24

Radial compressor and method for producing a radial compressor

#700
20120107106
2012-05-03

System and method of assembling a supersonic compressor system including a supersonic compressor rotor and a compressor assembly

#701
20120087815
2012-04-12

Centrifugal compressor assembly and method

#702
20120070277
2012-03-22

Integrated fan

#703
20120067347
2012-03-22

Fan unit with improved surge characteristics

#704
20120063885
2012-03-15

Fluid channeling device for back-to-back compressors

#705
20120055653
2012-03-08

Heat Dissipating Unit And Heat Dissipating Device Having The Heat Dissipating Unit

#706
20120020779
2012-01-26

Low mass diffuser vane

#707
20120009059
2012-01-12

MULTIBLADE FAN

#708
20120009057
2012-01-12

Bell mouth for scroll case

#709
20110311356
2011-12-22

Suction casing and fluid machine

#710
20110305554
2011-12-15

LIGHT WEIGHT VANELESS COMPRESSOR CONTAINMENT DESIGN

#711
20110304230
2011-12-15

Fan, electric motor, and machine tool

#712
20110280710
2011-11-17

Reversible system for injecting and extracting gas for fluid rotary machines

#713
20110275302
2011-11-10

IMPROVED TUNNEL VENTILATION DEVICE

#714
20110255952
2011-10-20

Compressor gas flow deflector and compressor incorporating the same

#715
20110247789
2011-10-13

Heat dissipation device and centrifugal fan thereof

#716
20110189004
2011-08-04

Fan inlet and method

#717
20110167845
2011-07-14

Cooler and display device having the same

#718
20110158796
2011-06-30

Collecting chamber and production process

#719
20110158794
2011-06-30

Intermediate housing floor for a fluid kinetic machine

#720
20110142609
2011-06-16

Centrifugal compressor with pipe diffuser

#721
20110073110
2011-03-31

Compact low noise efficient blower for CPAP devices

#722
20110064571
2011-03-17

Secondary inlet cone for a plenum fan

#723
20110056207
2011-03-10

Diffuser for turbine engine including indented annular webs

#724
20110048003
2011-03-03

Integrated EGR mixer and ported shroud housing compressor

#725
20100329856
2010-12-30

Supersonic compressor comprising radial flow path

#726
20100307151
2010-12-09

COMPRESSOR AND METHOD FOR SERVICING

#727
20100303646
2010-12-02

Non-dilution blower apparatus for high efficiency water heater

#728
20100272561
2010-10-28

Boltless multi-part diaphragm for use with a centrifugal compressor

#729
20100269364
2010-10-28

Air intake structure for hand dryers of high airflow pressure

#730
20100251753
2010-10-07

REFRIGERATING CONTAINER FOR LAND, ROAD AND RAIL VEHICLES

#731
20100239437
2010-09-23

Fluid channeling device for back-to-back compressors

#732
20100239419
2010-09-23

Slidable cover for casing access port

#733
20100232967
2010-09-16

CENTRIFUGAL FAN

#734
20100232957
2010-09-16

Blower fan

#735
20100232955
2010-09-16

Housing for a radical compressor

#736
20100226797
2010-09-09

Fan assembly

#737
20100226751
2010-09-09

Fan assembly

#738
20100221107
2010-09-02

Duct for changing direction of flow, particularly for turbocharger compressor inlet

#739
20100209271
2010-08-19

Fan motor apparatus having diffuser unit for vacuum cleaner

#740
20100202877
2010-08-12

Turbocharger diffuser

#741
20100183433
2010-07-22

Centrifugal fan

#742
20100178163
2010-07-15

Radial compressor with a diffuser for use in a turbocharger

#743
20100172753
2010-07-08

COMPRESSOR SIDE INLET WITH IMPROVED AERODYNAMIC PERFORMANCE AND REDUCED MANUFACTURING COMPLEXITY

#744
20100166539
2010-07-01

Centrifugal compressor

#745
20100158722
2010-06-24

Air supplier, particularly for an air supply system for fuel cells

#746
20100150749
2010-06-17

Centrifugal pump with offset volute

#747
20100150699
2010-06-17

Fan

#748
20100143095
2010-06-10

Radial compressor

#749
20100129209
2010-05-27

Centrifugal Compressor

#750
20100122536
2010-05-20

Plasma flow controlled diffuser system

#751
20100122531
2010-05-20

Inlet system for an engine

#752
20100111667
2010-05-06

Ring fan and shroud air guide system

#753
20100101065
2010-04-29

Diffuser case removal apparatus and method

#754
20100089549
2010-04-15

Exhaust device

#755
20100074738
2010-03-25

BLOWER

#756
20100061843
2010-03-11

Coupling turbochargers for passive pre-swirl counter-rotation

#757
20100050678
2010-03-04

Air conditioner

#758
20100031663
2010-02-11

Turbomachine with a diffuser

#759
20100028147
2010-02-04

Diffuser/guide vane assembly for a turbomachine

#760
20100028141
2010-02-04

Multistage centrifugal compressor

#761
20100021292
2010-01-28

Fluid deflector for fluid separator devices

#762
20090317248
2009-12-24

Centrifugal compressor having vaneless diffuser and vaneless diffuser thereof

#763
20090304502
2009-12-10

Pre-diffuser for centrifugal compressor

#764
20090293485
2009-12-03

Diffusers, diffusion systems, and methods for controlling airflow through diffusion systems

#765
20090252605
2009-10-08

Extended Length Cutoff Blower

#766
20090246013
2009-10-01

Compact low noise efficient blower for CPAP devices

#767
20090246009
2009-10-01

Compressor scrolls for auxiliary power units

#768
20090214333
2009-08-27

Diffuser-nozzle assembly for a turbomachine

#769
20090205362
2009-08-20

Centrifugal compressor assembly and method

#770
20090205360
2009-08-20

Centrifugal compressor assembly and method

#771
20090193844
2009-08-06

Inlet guide vane, turbo compressor, and refrigerator

#772
20090193843
2009-08-06

Turbo compressor and refrigerator

#773
20090193842
2009-08-06

Turbo compressor and turbo refrigerator

#774
20090145583
2009-06-11

Blower and air conditioner having the same

#775
20090139228
2009-06-04

Exhaust gas turbocharger for an internal combustion engine and device for switching an air guiding device of an exhaust gas turbocharger

#776
20090129921
2009-05-21

Cooling fan having protrusion at air outlet thereof

#777
20090060731
2009-03-05

Compressor wheel housing

#778
20090022588
2009-01-22

Electric fan module and airflow conduction structure thereof

#779
20090022586
2009-01-22

Axial diffuser for a centrifugal compressor

#780
20090004001
2009-01-01

Diffusive cooling device

#781
20080310957
2008-12-18

Extended Length Cutoff Blower

#782
20080298959
2008-12-04

Unit for treating air with controlled flow

#783
20080276478
2008-11-13

Laundry dryer having an air duct

#784
20080276416
2008-11-13

TUBE BARRIER

#785
20080256926
2008-10-23

Diffuser with improved erosion resistance

#786
20080232958
2008-09-25

SPIRAL BLOWER

#787
20080206050
2008-08-28

Dual taper fan-motor assembly

#788
20080193305
2008-08-14

Electric blower

#789
20080187439
2008-08-07

BLOWER ASSEMBLY WITH PRE-SWIRLER

#790
20080166223
2008-07-10

Plenum/plug fan assembly

#791
20080149306
2008-06-26

Thermal module with centrifugal blower and electronic assembly incorporating the same

#792
20080145213
2008-06-19

Engine compressor assembly and method of operating the same

#793
20080118341
2008-05-22

Wide flow compressor with diffuser bypass

#794
20080101966
2008-05-01

High efficient compact radial blower

#795
20080085186
2008-04-10

Centrifugal fan with turbulence inducing inlet bell

#796
20070271921
2007-11-29

Inclined rib ported shroud compressor housing

#797
20070269323
2007-11-22

Miniature high speed compressor having embedded permanent magnet motor

#798
20070269308
2007-11-22

Engine intake air compressor having multiple inlets and method

#799
20070253830
2007-11-01

Fan unit

#800
20070235373
2007-10-11

Diffuser particle separator

#801
20070217906
2007-09-20

Fan inlet flow distributor

#802
20070212219
2007-09-13

Centrifugal fan

#803
20070212218
2007-09-13

Centrifugal blower

#804
20070201976
2007-08-30

Impeller of multiblade fan and multiblade fan having the same

#805
20070140889
2007-06-21

Flow passage structure for refrigerant compressor

#806
20070131220
2007-06-14

Cooking appliance

#807
20070122273
2007-05-31

Multistage centrifugal compressor

#808
20070110569
2007-05-17

Multistage centrifugal compressor having a tank which can be opened horizontally

#809
20070104573
2007-05-10

BLOWER ASSEMBLY

#810
20070059168
2007-03-15

Volute for a centrifugal compressor

#811
20070036662
2007-02-15

Multistage motor-compressor for the compression of a fluid

#812
20060204382
2006-09-14

Radial fan

#813
20060153671
2006-07-13

Centrifugal fan diffuser

#814
20060130479
2006-06-22

Turbocharger with blow-by gas injection port

#815
20060115358
2006-06-01

Centrifugal compressor

#816
20060110250
2006-05-25

Centrifugal fan

#817
20060104809
2006-05-18

Low cost diffuser assembly for gas turbine engine

#818
20050281669
2005-12-22

Centrifugal fan

#819
20050238487
2005-10-27

Turbulent flow blower

#820
20050207887
2005-09-22

Centrifugal fan

#821
20050204582
2005-09-22

Exhaust fan assembly

#822
20050166809
2005-08-04

Upblast fan nozzle with wind deflecting panels

#823
20050141988
2005-06-30

Centrifugal fan diffuser

#824
20050118019
2005-06-02

Discrete passage diffuser

#825
20050096767
2005-05-05

Method for designing a blower wheel scroll cage

#826
20050050889
2005-03-10

Connecting duct for fluid compression system

#827
19293033
2026-02-10

Dual-duct air pump

#828
19217502
2026-05-26

Combustor inlet plenum and baffle

#829
19215643
2026-05-19

Moisture removal apparatus

#830
19173420
2026-03-10

Refrigerable hanging ice neck collar

#831
19094836
2026-05-05

Gas propulsion thrust device

#832
18918102
2025-09-02

Fan structure

#833
18908149
2025-09-02

Centrifugal compressor

#834
18616722
2025-07-08

Truck cooler fan

#835
18456504
2024-08-27

Head mechanism and fan apparatus

#836
18439304
2025-08-12

Compressor frangible containment structure

#837
18167924
2023-07-18

Neck-hanging fan

#838
18127987
2024-04-23

Truck cooler fan

#839
17577876
2022-06-28

Inlet collector for centrifugal fan and centrifugal fan

#840
16130707
2019-09-24

Turbocharger turbine diffuser with deswirl ribs

#841
15812103
2020-06-16

Multiple channel diffuser

#842
12932404
2014-04-15

Body fan device