ClassID:

144437

F04F5/467 - 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 with a plurality of nozzles arranged in series

Recent Application in this class:
#1
20250354568
2025-11-20

COMPRESSED-AIR-DRIVEN VACUUM GENERATION DEVICE AND AREA SUCTION GRIPPER

#2
20240068489
2024-02-29

Vacuum ejector pump with multiple nozzles

#3
20230304510
2023-09-28

MULTISTAGE VACUUM

#4
20220056926
2022-02-24

RECOVERING WASTE OIL

#5
20210180616
2021-06-17

Multistage aspirator for inflatable assemblies

#6
20200232481
2020-07-23

Jet pump

#7
20200088213
2020-03-19

Pressure-controlling device, and pressure-using apparatus

#8
20190234430
2019-08-01

Low-cost evacuator for an engine having tuned Venturi gaps

#9
20190186504
2019-06-20

ASPIRATOR SYSTEM

#10
20180209428
2018-07-26

Motorcompressor and method to improve the efficiency of a motorcompressor

#11
20170122342
2017-05-04

High Vacuum Ejector

#12
20160215795
2016-07-28

Jet pump for turbomachine lubrication chamber depressurization circuit

#13
20160061160
2016-03-03

Low-cost evacuator for an engine having tuned Venturi gaps

#14
20160047396
2016-02-18

Vacuum Generator on the Ejector Principle

#15
20160033183
2016-02-04

Ejector and heat pump apparatus including the same

#16
20160010661
2016-01-14

Dual Venturi device

#17
20150354601
2015-12-10

Vacuum ejector nozzle with elliptical diverging section

#18
20150337866
2015-11-26

Vacuum Ejector With Multi-Nozzle Drive Stage

#19
20150316074
2015-11-05

Vacuum ejector with tripped diverging exit flow

#20
20150300377
2015-10-22

Multi-stage vacuum ejector with molded nozzle having integral valve elements

#21
20150076249
2015-03-19

Multistage ejector

#22
20140050595
2014-02-20

Quick-release vacuum pump

#23
20130232723
2013-09-12

Pneumatic vacuum cleaner

#24
20120217319
2012-08-30

Heat-generating jet injection

#25
20120168526
2012-07-05

Supersonic nozzle

#26
20110123359
2011-05-26

Pneumatic vacuum generator

#27
20100108167
2010-05-06

Supersonic ejector package

#28
20090320478
2009-12-31

Reduced boundary layer separation steam jet air ejector assembly and method

#29
20090290994
2009-11-26

Suction Jet Pump

#30
20090155668
2009-06-18

Multi-stage in-line cartridge ejector for fuel cell system

#31
20080292476
2008-11-27

Vacuum ejector pumps

#32
20080253901
2008-10-16

Jet ejector system and method

#33
20080105315
2008-05-08

Tandem supersonic ejectors for the repressurization of an off gas

#34
20070148009
2007-06-28

Vacuum ejector pumps

#35
20050072662
2005-04-07

Vapor-compression evaporation system and method

#36
20050063832
2005-03-24

Jet ejector system and method

#37
20050061493
2005-03-24

Heat exchanger system and method

#38
20050061378
2005-03-24

Multi-stage eductor apparatus