ClassID:

144223

F04D29/188 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for regenerative pumps

Recent Application in this class:
#1
20250154956
2025-05-15

Regenerative blower

#2
20250087727
2025-03-13

DEVICE FOR ANODE GAS RECIRCULATION IN A FUEL CELL SYSTEM

#3
20240426304
2024-12-26

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

#4
20230220849
2023-07-13

Fluid pump impeller including blades extending from a hub to an outer ring and having a draft angle between adjacent blades that varies between the hub and the outer ring

#5
20230193907
2023-06-22

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

#6
20230065082
2023-03-02

Multi-way coolant valve and heat pump system having the same

#7
20220282733
2022-09-08

Regenerative blower

#8
20220228595
2022-07-21

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

#9
20210301830
2021-09-30

Blade rotor and fluid working machine comprising such a rotor

#10
20210095677
2021-04-01

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

#11
20200343566
2020-10-29

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

#12
20200309137
2020-10-01

Regenerative blower

#13
20200109716
2020-04-09

Fuel pump

#14
20190301483
2019-10-03

Fluid pump

#15
20190301482
2019-10-03

Fluid pump

#16
20190107121
2019-04-11

Fluid pump with flow impedance member

#17
20190032672
2019-01-31

Vortex pump

#18
20180347570
2018-12-06

Regenerative pump start stage for high speed centrifugal fuel pump

#19
20180347510
2018-12-06

Vortex pump

#20
20180202447
2018-07-19

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

#21
20180142653
2018-05-24

Fuel pump

#22
20170298949
2017-10-19

Vortex pump and fuel vapor treatment device comprising the vortex pump

#23
20170268525
2017-09-21

IMPELLER WITH OUTER RING PRESSURE LOADING SLOTS

#24
20170211576
2017-07-27

Progressive vortex pump

#25
20170051753
2017-02-23

Impeller, in particular for a side channel machine

#26
20170023016
2017-01-26

Fluid pump with flow impedance member

#27
20160258436
2016-09-08

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

#28
20150050155
2015-02-19

Impeller for fuel pump of vehicle

#29
20150044015
2015-02-12

Side channel liquid ring pump and impeller for side channel liquid ring pump

#30
20150037137
2015-02-05

Gas transfer vacuum pump

#31
20140255199
2014-09-11

Rotator

#32
20120257980
2012-10-11

Impeller of fuel pump for vehicle

#33
20120257956
2012-10-11

Turbine fuel pump for vehicle

#34
20120251323
2012-10-04

Impeller

#35
20120251311
2012-10-04

FUEL PUMP

#36
20120201700
2012-08-09

Impeller and fluid pump

#37
20110280718
2011-11-17

PRESSURIZING CENTRIFUGAL PUMP

#38
20100189543
2010-07-29

Fuel Pump

#39
20100054949
2010-03-04

Random pitch impeller for fuel pump

#40
20100021282
2010-01-28

Side-Channel Pump

#41
20090257876
2009-10-15

Blower impeller with partial tip blockage

#42
20090238680
2009-09-24

PUMPING UNIT

#43
20090060709
2009-03-05

Impeller, fuel pump having the impeller, and fuel supply unit having the fuel pump

#44
20080253878
2008-10-16

Fuel pump

#45
20080232970
2008-09-25

Mold Assembly and Method for Injection Molding of an Impeller, and Impeller Formed by Said Method

#46
20080193297
2008-08-14

Delivery Unit

#47
20080085181
2008-04-10

Fuel pump

#48
20080056884
2008-03-06

Disc shaped impeller and fuel pump

#49
20070231120
2007-10-04

Impeller for fuel pump and fuel pump in which the impeller is employed

#50
20070183886
2007-08-09

Circumferential flow pump

#51
20070160456
2007-07-12

Pressure and current reducing impeller

#52
20070160455
2007-07-12

Pressure and current reducing impeller

#53
20070122264
2007-05-31

Pump

#54
20070104567
2007-05-10

Impeller and fluid pump having the same

#55
20070086882
2007-04-19

Turbine fuel pump

#56
20070077138
2007-04-05

Fluid pumping system

#57
20060275154
2006-12-07

Fuel pump

#58
20060228207
2006-10-12

Impeller for fuel pumps

#59
20060159546
2006-07-20

Turbine fuel pump

#60
20060120853
2006-06-08

Impeller and apparatus using the same

#61
20060120852
2006-06-08

Circumferential flow pump

#62
20060008344
2006-01-12

Fuel pump

#63
20050226716
2005-10-13

Impeller for fuel pumps

#64
20050226715
2005-10-13

Impeller and fuel pump using the same

#65
20050175443
2005-08-11

Circumferential flow pump

#66
20050053497
2005-03-10

Side-channel pump

#67
20050025616
2005-02-03

Turbine type electric fuel pump for automobile

#68
20050013712
2005-01-20

Impeller for a side channel pump

#69
19220259
2026-04-07

Low noise blower

#70
16909403
2023-04-11

Bearing housing and bearing subassembly for use in side channel blower and side channel blower employing same