Patents-Review.com
ClassID:

144096 ⎘

F04D23/008 - CPC Classification

Classification description:

Other rotary non-positive-displacement pumps Regenerative pumps

Recent Application in this class:
#1
20250334129
2025-10-30

SIDE CHANNEL COMPRESSOR HAVING A SEAL ASSEMBLY

 #2
20250154956
2025-05-15

Regenerative blower

 #3
20250087727
2025-03-13

DEVICE FOR ANODE GAS RECIRCULATION IN A FUEL CELL SYSTEM

 #4
20240426304
2024-12-26

SIDE-CHANNEL MACHINE (COMPRESSOR, VACUUM PUMP OR BLOWER) HAVING AN EXTRACTION DUCT IN THE STRIPPER

 #5
20240229807
2024-07-11

POWER MODULES WITH REGENERATIVE COMPRESSOR WHEELS

 #6
20240133388
2024-04-25

Power modules with regenerative compressor wheels

 #7
20240084812
2024-03-14

Side channel compressor having a seal assembly

 #8
20240084806
2024-03-14

SIDE CHANNEL COMPRESSOR FOR A FUEL CELL SYSTEM, FUEL CELL SYSTEM, AND USE OF A SIDE CHANNEL COMPRESSOR

 #9
20230258191
2023-08-17

DRY VACUUM PUMP REGENERATION MECHANISM AND DRY VACUUM PUMP REGENERATION METHOD

 #10
20230235741
2023-07-27

Regenerative multi-stage compressor

 #11
20230193907
2023-06-22

Side-channel machine (compressor, vacuum pump or blower) having an extraction duct in the stripper

 #12
20220316486
2022-10-06

Power modules with regenerative compressor wheels

 #13
20220307513
2022-09-29

Side channel compressor having a seal assembly

 #14
20220282733
2022-09-08

Regenerative blower

 #15
20220228595
2022-07-21

Side-channel machine (compressor, vacuum pump or blower) having an extraction duct in the stripper

 #16
20220049704
2022-02-17

Side-channel compressor for a fuel cell system for conveying and/or compressing a gaseous medium

 #17
20220008837
2022-01-13

Water vapor distillation apparatus, method and system

 #18
20210340994
2021-11-04

Side channel compressor for compressing gas

 #19
20210301830
2021-09-30

Blade rotor and fluid working machine comprising such a rotor

 #20
20210140438
2021-05-13

Side channel compressor for a fuel cell system for conveying and/or compressing a gaseous medium

 #21
20210095677
2021-04-01

Side-channel machine (compressor, vacuum pump or blower) having an extraction duct in the stripper

 #22
20210033106
2021-02-04

DELIVERY DEVICE COMPRISING A SIDE CHANNEL BLOWER OR PERIPHERAL BLOWER

 #23
20200355190
2020-11-12

VACUUM PUMPING ARRANGEMENT

 #24
20200343566
2020-10-29

Side-channel compressor for a fuel cell system for conveying and/or compressing a gaseous medium

 #25
20200340489
2020-10-29

Side channel compressor having a seal assembly

 #26
20200325904
2020-10-15

Power modules with regenerative compressor wheels

 #27
20200309137
2020-10-01

Regenerative blower

 #28
20200277963
2020-09-03

Side-channel compressor for a fuel cell system for conveying and/or compressing a gaseous media

 #29
20200194814
2020-06-18

Side-channel compressor for a fuel cell system for conveying and/or compressing a gaseous media

 #30
20200032812
2020-01-30

Regenerative blowers-compressors with shaft bypass fluid re-vents

 #31
20190263224
2019-08-29

Combustion air blower

 #32
20190242388
2019-08-08

COMPRESSOR ARRANGEMENT

 #33
20190032672
2019-01-31

Vortex pump

 #34
20180347572
2018-12-06

VORTEX PUMP

 #35
20180347511
2018-12-06

Evaporated fuel processing devices

 #36
20180347510
2018-12-06

Vortex pump

 #37
20180335039
2018-11-22

FAN AND CLEANER

 #38
20180326815
2018-11-15

Vehicle heater

 #39
20180304169
2018-10-25

Water vapor distillation apparatus, method and system

 #40
20180202447
2018-07-19

Side-channel machine (compressor, vacuum pump or blower) having an extraction duct in the stripper

 #41
20180050577
2018-02-22

Delivery device for providing two medium flows guided separately from one another, especially in a fuel-operated vehicle heater

 #42
20180020895
2018-01-25

ELECTRICAL GENERATOR SYSTEM FOR USE WITH VEHICLE MOUNTED ELECTRIC FLOOR CLEANING SYSTEM

 #43
20180017084
2018-01-18

Side-channel blower for an internal combustion engine, comprising a wide interrupting gap

 #44
20180017069
2018-01-18

Side-channel blower for an internal combustion engine

 #45
20170363091
2017-12-21

Irregular-pitch regenerative blower and optimization design method for same

 #46
20170342859
2017-11-30

Side channel blower, especially for a vehicle heater

 #47
20170298949
2017-10-19

Vortex pump and fuel vapor treatment device comprising the vortex pump

 #48
20170211576
2017-07-27

Progressive vortex pump

 #49
20170051753
2017-02-23

Impeller, in particular for a side channel machine

 #50
20160262588
2016-09-15

Cleaning system utilizing a regenerative blower

 #51
20160258436
2016-09-08

Impeller for a side channel flow machine in particular designed as a side channel blower

 #52
20160160865
2016-06-09

Side channel blower, especially for a vehicle heater

 #53
20160097400
2016-04-07

Impeller for engine-mounted boost stage fuel pump

 #54
20160069353
2016-03-10

Blower housing, especially for a blower for a vehicle heater

 #55
20160017891
2016-01-21

Turbomachine

 #56
20150377240
2015-12-31

TURBOCHARGER HAVING VANED COMPRESSOR INLET RECIRCULATION PASSAGE

 #57
20150211545
2015-07-30

Shroud treatment for a centrifugal compressor

 #58
20150176598
2015-06-25

Blower housing, especially for a side channel blower

 #59
20150167680
2015-06-18

ROTARY COMPRESSOR PROVIDED WITH AT LEAST ONE SIDE CHANNEL

 #60
20150128640
2015-05-14

Two-stage centrifugal compressor with extended range and capacity control features

 #61
20150086329
2015-03-26

Multi-stage radial compressor unit comprising gas removal during a compressor stage

 #62
20140369807
2014-12-18

Vacuum pump

 #63
20140300109
2014-10-09

System and method of wrapping flow in a fluid working apparatus

 #64
20140259512
2014-09-18

Cleaning system utilizing a regenerative blower

 #65
20140169939
2014-06-19

Air filter attachment for side channel compressor

 #66
20140069800
2014-03-13

Water vapor distillation apparatus, method and system

 #67
20140017064
2014-01-16

Side channel machine arrangement

 #68
20130266434
2013-10-10

Impeller and regenerative blower

 #69
20130251514
2013-09-26

Regenerative blower with a convoluted contactless impeller-to-housing seal assembly

 #70
20130224001
2013-08-29

Vacuum pump

 #71
20130209247
2013-08-15

Side channel blower, in particular a secondary air blower for an internal combustion machine

 #72
20130195607
2013-08-01

Inlet design for a pump assembly

 #73
20130195606
2013-08-01

Inlet design for a pump assembly

 #74
20120301267
2012-11-29

CONDUCTING UNIT, AND CONDUCTING METHODS

 #75
20120298926
2012-11-29

Composite materials, production thereof and use thereof in electrical cells

 #76
20120298055
2012-11-29

Apparatus and method for pumping air for exhaust oxidation in an internal combustion engine

 #77
20120288383
2012-11-15

AIR FEED BLOWER, ESPECIALLY FOR A VEHICLE HEATER

 #78
20120241529
2012-09-27

Side channel blower for a vehicle heater

 #79
20120189436
2012-07-26

Temperature control ring for vehicle air pump

 #80
20120132479
2012-05-31

Blower arrangement

 #81
20120073950
2012-03-29

Water vapor distillation apparatus, method and system

 #82
20120057995
2012-03-08

Side-channel compressor with symmetric rotor disc which pumps in parallel

 #83
20120051893
2012-03-01

Regenerative vacuum pump with axial thrust balancing means

 #84
20120051887
2012-03-01

Side-channel pump with axial gas bearing

 #85
20110280718
2011-11-17

PRESSURIZING CENTRIFUGAL PUMP

 #86
20110200423
2011-08-18

Vacuum pump

 #87
20110052378
2011-03-03

Side channel compressor

 #88
20110003238
2011-01-06

Pump and fuel cell system having a pump

 #89
20100239956
2010-09-23

Unit for a Fuel Cell System, and a Fuel Cell System

 #90
20100221097
2010-09-02

SIDE CHANNEL COMPRESSOR

 #91
20100172777
2010-07-08

INLET DESIGN FOR A PUMP ASSEMBLY

 #92
20100172749
2010-07-08

Wall of turbo machine and turbo machine

 #93
20100086396
2010-04-08

Dual inlet regenerative air pump

 #94
20100048777
2010-02-25

POLYPHENYLENE SULFIDE RESIN COMPOSITION

 #95
20090317235
2009-12-24

Vortex blower

 #96
20090155102
2009-06-18

Integrated hydrogen recirculation blower for fuel cell vehicle

 #97
20090142183
2009-06-04

Turbo vacuum pump

 #98
20090081021
2009-03-26

Blower

 #99
20090025399
2009-01-29

Water vapor distillation apparatus, method and system

 #100
20080138219
2008-06-12

Vacuum pump

 #101
20080112790
2008-05-15

Vacuum Side-Channel Compressor

 #102
20080056886
2008-03-06

Vacuum pumps with improved pumping channel cross sections

 #103
20070297894
2007-12-27

Regenerative Vacuum Generator for Aircraft and Other Vehicles

 #104
20070231121
2007-10-04

Side channel compressor with housing shells and running wheel

 #105
20070227328
2007-10-04

Rotary blade molding method, rotary blade molding die and rotary blade molded by the same

 #106
20070224031
2007-09-27

Rotary blower and aspirator having a modifiable conformation

 #107
20070147983
2007-06-28

Vortex-flow blower device

 #108
20070140833
2007-06-21

Vacuum pumping arrangement

 #109
20070116555
2007-05-24

Vacuum pump

 #110
20070081893
2007-04-12

Pump apparatus for semiconductor processing

 #111
20070059154
2007-03-15

Lateral channel compressor

 #112
20070020084
2007-01-25

COMPRESSOR, IN PARTICULAR LATERAL CHANNEL COMPRESSOR

 #113
20060269395
2006-11-30

Rotary vacuum blower

 #114
20060269394
2006-11-30

Blower

 #115
20060263205
2006-11-23

Turbo vacuum pump

 #116
20060257249
2006-11-16

Hybrid turbomolecular vacuum pumps

 #117
20060140795
2006-06-29

Vacuum pumping arrangement

 #118
20060140794
2006-06-29

Vacuum pumping arrangement

 #119
20060127264
2006-06-15

Multi-vane device

 #120
20060093473
2006-05-04

Integrated turbo/drag/regenerative pump with counter-rotating turbo blades

 #121
20060034676
2006-02-16

Regenerative fluid pump and stator for the same

 #122
20050271528
2005-12-08

Lubricating systems for regenerative vacuum pumps

 #123
20050226739
2005-10-13

Combined vacuum pump load-lock assembly

 #124
20050220614
2005-10-06

Fluid pump apparatus

 #125
20050217267
2005-10-06

Air pump having valve controlled by self-pressure

 #126
20050207883
2005-09-22

Vortex blower having helmholtz resonators and a baffle assembly

 #127
20050118013
2005-06-02

Vacuum pumping arrangement

 #128
20050047904
2005-03-03

Vacuum pump

 #129
20050047903
2005-03-03

Regenerative pump having blades received in fluid passage

 #130
20050025640
2005-02-03

Vacuum pump and semiconductor manufacturing apparatus

 #131
20050002807
2005-01-06

Vortex blower

 #132
19220259
2026-04-07

Low noise blower

 #133
16351624
2022-02-15

O-ring for side channel blower and side channel blower including said o-ring