ClassID:

144431

F04F5/461 - CPC Classification

Classification description:

Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow; Component parts, details, or accessories not provided for in, or of interest apart from, groups  - ; Arrangements of nozzles Adjustable nozzles

Recent Application in this class:
#1
20250223974
2025-07-10

NOZZLE FOR A FAN ASSEMBLY

#2
20250215904
2025-07-03

STEAM SPECIAL EFFECT SPRAYER AND RELATED SPECIAL EFFECT SYSTEM

#3
20250192198
2025-06-12

EJECTOR FOR FUEL CELL AND FUEL CELL

#4
20250188955
2025-06-12

Motionless Molten Salt Pump on Leverage of Pressure Variation Force

#5
20250129792
2025-04-24

NOZZLE FOR A FAN ASSEMBLY

#6
20240313236
2024-09-19

INJECTION MODULE FOR A CONVEYOR ASSEMBLY OF A FUEL CELL SYSTEM

#7
20240271636
2024-08-15

Nozzle for a fan assembly

#8
20240055623
2024-02-15

Ejector nozzle and ejector including same

#9
20230407888
2023-12-21

JET PUMP FOR GASEOUS MEDIUM

#10
20230003232
2023-01-05

Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly

#11
20220416272
2022-12-29

Ejector having two-stage nozzle structure

#12
20220325725
2022-10-13

Dual direction vacuum apparatus having a vacuum mode and purge mode

#13
20220307522
2022-09-29

Steam special effect sprayer and related special effect system

#14
20220220982
2022-07-14

Ejector with core needle cooled by cooling medium

#15
20220196018
2022-06-23

Jet pump spool valve

#16
20210277913
2021-09-09

Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly

#17
20210270292
2021-09-02

NOZZLE FOR A FAN ASSEMBLY

#18
20210270283
2021-09-02

Nozzle for a fan assembly

#19
20210246849
2021-08-12

Variable area ejector

#20
20210222702
2021-07-22

Submersible water lifting assembly and automatic fire fighting system for unmanned platforms having said system

#21
20210184232
2021-06-17

Ejector nozzle and ejector including same

#22
20210131451
2021-05-06

Switched suction jet pump

#23
20210091393
2021-03-25

Metering valve and jet pump unit for controlling a gaseous medium

#24
20200280079
2020-09-03

Jet pump unit comprising a metering valve, for controlling a gaseous medium

#25
20200135348
2020-04-30

Flow restricting slip joint clamps and methods for use in a nuclear reactor jet pump

#26
20200067112
2020-02-27

Ejector for a fuel cell system and fuel cell system

#27
20190383308
2019-12-19

Ejector module

#28
20190186504
2019-06-20

ASPIRATOR SYSTEM

#29
20190091704
2019-03-28

Telescoping aspirator system

#30
20190032678
2019-01-31

Ejector, ejector production method, and method for setting diffuser outlet flow path

#31
20190032677
2019-01-31

Ejector

#32
20180202466
2018-07-19

Aspirator system

#33
20180155039
2018-06-07

Collapsible aspirator barrel

#34
20180120004
2018-05-03

Ejector and refrigeration cycle apparatus having ejector

#35
20180080482
2018-03-22

Ejector and ejector-type refrigeration cycle

#36
20180073523
2018-03-15

Devices, systems, and methods for variable flow rate fuel ejection

#37
20180058738
2018-03-01

Ejector and ejector-type refrigeration cycle

#38
20170029073
2017-02-02

High efficiency compressor and distribution system

#39
20160369820
2016-12-22

Dry roughing vacuum pump

#40
20160363139
2016-12-15

Aspirator for internal combustion engine having integrated flow bypass and check valve

#41
20160215795
2016-07-28

Jet pump for turbomachine lubrication chamber depressurization circuit

#42
20160195316
2016-07-07

Ejector

#43
20160090996
2016-03-31

SINGLE AND MULTI-PRESSURE CONDENSATION SYSTEM

#44
20160052001
2016-02-25

Venturi pump and facility for applying paint coatings

#45
20150361994
2015-12-17

Controllable constriction device for the throat of a venturi channel for introducing a liquid additive into a stream of main liquid

#46
20150330671
2015-11-19

Ejector

#47
20150176606
2015-06-25

Ejector

#48
20150159677
2015-06-11

Flow control for aspirators producing vacuum using the venturi effect

#49
20150152885
2015-06-04

EJECTOR

#50
20150118071
2015-04-30

VACUUM GENERATOR

#51
20140346250
2014-11-27

Variable asset multiphase ejector for production recovery at the wellhead

#52
20140286767
2014-09-25

Variable volume induction nozzle

#53
20140255217
2014-09-11

Device for blowing air by means of a nozzle assembly

#54
20140134007
2014-05-15

Device for pressure-dependent opening of a suction intake

#55
20140084492
2014-03-27

Fan assembly

#56
20130277448
2013-10-24

Ejector

#57
20130272858
2013-10-17

Fan assembly

#58
20120312203
2012-12-13

AERODYNAMIC DEVICE FOR REGULATING TEMPERATURE AND PRESSURE IN A FLUID FLOW CIRCUIT

#59
20120093630
2012-04-19

Fan assembly

#60
20120093629
2012-04-19

Fan assembly

#61
20110123359
2011-05-26

Pneumatic vacuum generator

#62
20110005408
2011-01-13

Adjustable steam injector

#63
20100230107
2010-09-16

Jet pump for use with a multi-string tubing system and method of using the same for well clean out and testing

#64
20100040482
2010-02-18

Ejectors with separably secured nozzles, adjustable size nozzles, or adjustable size mixing tubes

#65
20090311111
2009-12-17

Ejector

#66
20090155092
2009-06-18

Fuel cell system

#67
20080273992
2008-11-06

CAVITATION-DETERRING ENERGY-EFFICIENT FLUID PUMP SYSTEM AND METHOD OF OPERATION

#68
20080202470
2008-08-28

Fuel supply system for a motor vehicle

#69
20080118371
2008-05-22

SERVO-CONTROLLED VARIABLE GEOMETRY EJECTOR PUMP

#70
20080115503
2008-05-22

MULTI-PORT BLEED SYSTEM WITH VARIABLE GEOMETRY EJECTOR PUMP

#71
20070163649
2007-07-19

Ejector and fuel cell system therewith

#72
20070025862
2007-02-01

Compressible gas ejector with unexpanded motive gas-load gas interface

#73
20070000253
2007-01-04

Variable jet mixer for improving the performance of a fixed displacement fuel pump

#74
20060153694
2006-07-13

Pneumatic suction device

#75
20050207902
2005-09-22

Machine for removing sump pit water and process for making same

#76
20050204771
2005-09-22

Ejector

#77
20050188719
2005-09-01

Ejector

#78
20050183448
2005-08-25

Ejector-type depressurizer for vapor compression refrigeration system

#79
20050130008
2005-06-16

Fuel supply apparatus for fuel cell

#80
20050011221
2005-01-20

Refrigeration cycle

#81
20050002797
2005-01-06

Structure of ejector pump

#82
15239512
2019-06-04

High flow capacity well fluid extraction jet pump providing through access

#83
14296378
2014-12-09

Venturi

#84
13537167
2016-05-10

Reversible inline jet siphon