ClassID:

144389

F04D29/706 - CPC Classification

Classification description:

Details, component parts, or accessories; Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps Humidity separation

Recent Application in this class:
#1
20260078770
2026-03-19

BLOWER WITH WATERPROOF FUNCTION

#2
20250239634
2025-07-24

DEVICE FOR RECIRCULATING ANODE GAS IN A FUEL CELL SYSTEM

#3
20250052447
2025-02-13

FAN ASSEMBLY

#4
20240280114
2024-08-22

LIQUID-FEED-TYPE GAS COMPRESSOR

#5
20240229829
2024-07-11

COMPRESSED AIR-MOISTURE SEPARATING UNIT FOR MULTISTAGE TURBOCOMPRESSOR SYSTEM

#6
20240128483
2024-04-18

HYDROGEN RECIRCULATION PUMP HEATING AND SEALING ASSEMBLIES AND METHODS

#7
20230193924
2023-06-22

Blower housing having integral exhaust blower discharge drain section

#8
20230016480
2023-01-19

Compressor with a system for removing liquid from the compressor

#9
20220349421
2022-11-03

Blower housing having integral exhaust blower discharge drain section

#10
20220341440
2022-10-27

Gas compressor cleaning

#11
20220235799
2022-07-28

Moisture evacuation system for electric compressor device

#12
20220220981
2022-07-14

Moisture removal system for electric compressor device

#13
20220136529
2022-05-05

Air cleaner

#14
20210262486
2021-08-26

Blower housing having integral exhaust blower discharge drain section

#15
20210222706
2021-07-22

Compressor and method of operating same

#16
20210164491
2021-06-03

Blower housing having integral exhaust blower discharge drain section

#17
20210102551
2021-04-08

Electric compressor

#18
20200343566
2020-10-29

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

#19
20200194814
2020-06-18

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

#20
20190323518
2019-10-24

Blower Housing Having Integral Exhaust Blower Discharge Drain Section

#21
20190234429
2019-08-01

Centrifugal fan and air supply device having the same

#22
20190211845
2019-07-11

Centrifugal compressor

#23
20190151885
2019-05-23

Centrifugal compressor and turbocharger

#24
20190085863
2019-03-21

Induced draft fan and gas furnace comprising the same

#25
20190048895
2019-02-14

Centrifugal compressor without external drainage system, motorcompressor and method of avoiding external drainage in a compressor

#26
20190041124
2019-02-07

Integrated expander-motor compressor

#27
20190030986
2019-01-31

Blower device for air-conditioning of vehicle

#28
20190010947
2019-01-10

Drainage apparatus for a motorcompressor

#29
20180372121
2018-12-27

Multi-stage centrifugal compressor

#30
20180347588
2018-12-06

Centrifugal compressor

#31
20180119995
2018-05-03

Air compressor system including a refrigerated dryer and a condensate harvester and water supply

#32
20180119704
2018-05-03

Filter with integrated heater, and rotary machine system

#33
20180078890
2018-03-22

Air or gas cleaning blower with spiral separation chamber

#34
20180045224
2018-02-15

Liquid/gas separator and centrifugal motor compressor unit equipped with such a separator

#35
20170343012
2017-11-30

Refrigerant compressing process with cooled motor

#36
20170319995
2017-11-09

System and method for conditioning flow of a wet gas stream

#37
20170254341
2017-09-07

Sealing device for turbomachines

#38
20170211595
2017-07-27

Extracting dry gas from a wet-gas compressor

#39
20170211578
2017-07-27

Gas compression process with introduction of excess refrigerant at compressor inlet

#40
20170184131
2017-06-29

System and method for draining a wet-gas compressor

#41
20170184130
2017-06-29

Dry gas extraction device and method

#42
20170045061
2017-02-16

Apparatus and method for water and ice flow management in a gas turbine engine

#43
20160363126
2016-12-15

Centrifugal blower

#44
20160186781
2016-06-30

Compressor system with float drain

#45
20160177970
2016-06-23

Blower

#46
20160153311
2016-06-02

Bleed valve resonator drain

#47
20160146225
2016-05-26

Washer pump apparatus for vehicle provided with improved water-proof structure

#48
20150330398
2015-11-19

Energy Efficient Air Compressor System

#49
20150143695
2015-05-28

Removal of liquid from airfoil of equipment having gas-liquid flows

#50
20150125314
2015-05-07

Vertical cooler with liquid removal and mist eliminator

#51
20150104290
2015-04-16

Supersonic compressor with separator

#52
20150086371
2015-03-26

Impeller for a ventilation unit and ventilation unit comprising said impeller

#53
20150023807
2015-01-22

Centrifugal gas compressor method and system

#54
20130318973
2013-12-05

Axial compressor and gas turbine having axial compressor

#55
20130195608
2013-08-01

Droplet catcher for centrifugal compressor

#56
20120005996
2012-01-12

Multistage separation system

#57
20110142607
2011-06-16

Centrifugal compressor for wet gas environments and method of manufacture

#58
20110091315
2011-04-21

Fan with pressurizing structure

#59
20100239956
2010-09-23

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

#60
20100150697
2010-06-17

Fluid release valve

#61
20100139776
2010-06-10

Driven separator for gas seal panels

#62
20100012562
2010-01-21

Turbomachine filter system having a drain with one-way valve

#63
20090193845
2009-08-06

Turbo compressor and refrigerator

#64
20080199311
2008-08-21

BLOWER SCROLL

#65
20070237626
2007-10-11

Cooling channel for a fan motor for a ventilation, heating, and/or air conditioning system