Patents-Review.com
ClassID:

143084 ⎘

F04B45/04 - CPC Classification

Classification description:

Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms

Sub-classes:
Recent Application in this class:
#1
20260126036
2026-05-07

SEALING DIAPHRAGM AND METHODS OF MANUFACTURING SAID DIAPHRAGM

 #2
20260055759
2026-02-26

Airflow Generating Device and Method Thereof

 #3
20260049609
2026-02-19

VALVE SEAT STRUCTURE OF DIAPHRAGM PUMP AND DIAPHRAGM PUMP

 #4
20260038722
2026-02-05

ACTUATOR

 #5
20260036123
2026-02-05

COMPOSITE MEMBRANE FOR MEMBRANE PUMP

 #6
20260013678
2026-01-15

SEQUENTIALLY ACTIVATED MULTI-DIAPHRAGM FOAM PUMPS, REFILL UNITS AND DISPENSER SYSTEMS

 #7
20250290498
2025-09-18

INFLATION BULB

 #8
20250109746
2025-04-03

PUMP DEVICE AND VALVE MODULE

 #9
20250059966
2025-02-20

PRESSURE ACTUATED DIAPHRAGM PUMP

 #10
20240360825
2024-10-31

SERVICE LIFE TEST APPARATUS FOR PRODUCTION OF DIAPHRAGM OF DIAPHRAGM COMPRESSOR

 #11
20240251199
2024-07-25

Air-Pulse Generating Device, Wearable Sound Device, Fanless Blower, and Airflow Producing Method

 #12
20240200554
2024-06-20

Sound Reducing Device For Air Operated Double Diaphragm Pump

 #13
20240141891
2024-05-02

DEVICES, SYSTEMS, AND METHODS FOR A DIAPHRAGM PUMP

 #14
20240141883
2024-05-02

SELF-LOCKING MEMBRANE SYSTEM

 #15
20230313790
2023-10-05

Fluid control device

 #16
20230220839
2023-07-13

Mechanically driven modular diaphragm pump

 #17
20230204026
2023-06-29

Blowing apparatus

 #18
20230190049
2023-06-22

SEQUENTIALLY ACTIVATED MULTI-DIAPHRAGM FOAM PUMPS, REFILL UNITS AND DISPENSER SYSTEMS

 #19
20230160482
2023-05-25

Valve and diaphragm pump with inlet and outlet valves

 #20
20230095491
2023-03-30

High-Pressure Compressor and System with a High-Pressure Compressor

 #21
20220333704
2022-10-20

Valve and application apparatus

 #22
20220316469
2022-10-06

System and method for dispensing liquids

 #23
20220316463
2022-10-06

SEALING DIAPHRAGM AND METHODS OF MANUFACTURING SAID DIAPHRAGM

 #24
20220304833
2022-09-29

Pump system

 #25
20220275872
2022-09-01

Valve and gas control device

 #26
20220275798
2022-09-01

A Diaphragm Pump

 #27
20220170451
2022-06-02

Pump-valve integrated machine for pneumatic lumbar support of automobile seat

 #28
20220125607
2022-04-28

PUMP SYSTEM

 #29
20220106955
2022-04-07

Diaphragm assembly

 #30
20220090586
2022-03-24

Sealing structure for a transport device having a shape-memory alloy

 #31
20220088538
2022-03-24

HOLLOW FIBER FILTRATION SYSTEMS AND METHODS

 #32
20220025879
2022-01-27

MINIATURIZED MULTIPLE CHANNEL PRESSURE CONTROL SYSTEM

 #33
20210355929
2021-11-18

Pump having multi-stage gas compression

 #34
20210338918
2021-11-04

ROTATIONALLY ACTUATED NEGATIVE-PRESSURE WOUND THERAPY DEVICE

 #35
20210324848
2021-10-21

Air pump with external pressure relief valve

 #36
20210293235
2021-09-23

Diaphragm pump having a porous, arched aluminum filter

 #37
20210262456
2021-08-26

Mechanically driven modular diaphragm pump

 #38
20210172432
2021-06-10

METHOD FOR SURVEILLANCE OF AIR OPERATED DIAPHRAGM PUMP AND SURVEILLANCE DEVICE

 #39
20210164575
2021-06-03

Valve and gas control device

 #40
20210164464
2021-06-03

Blower

 #41
20210145221
2021-05-20

Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems

 #42
20210123429
2021-04-29

Rolling diaphragm pump

 #43
20210095659
2021-04-01

Fluid control device

 #44
20210047209
2021-02-18

Methods of metering delivery of caustic soda for treatment of water

 #45
20210046223
2021-02-18

Wound treatment apparatuses and methods for controlled delivery of fluids to a wound

 #46
20210010354
2021-01-14

Horizontal wellbore separation system and method

 #47
20200408203
2020-12-31

Diaphragm compressor, cooling unit, projector, recording apparatus, and three-dimensional modeled object manufacturing apparatus

 #48
20200392955
2020-12-17

Personal air sampling pump assembly with diaphragm damping portion

 #49
20200256587
2020-08-13

High temperature synthesis for power production and storage

 #50
20200248683
2020-08-06

Pump assembly

 #51
20200230804
2020-07-23

Pneumatic exomuscle system and method

 #52
20200217426
2020-07-09

Valve and application apparatus

 #53
20200208626
2020-07-02

HORIZONTAL AND VERTICAL WELL FLUID PUMPING SYSTEM

 #54
20200200163
2020-06-25

Displacement magnifying device, diaphragm type compressor, cooling unit, projector, recording apparatus, and three-dimensional molded object manufacturing apparatus

 #55
20200166028
2020-05-28

Rotary diaphragm positive displacement pump

 #56
20200149522
2020-05-14

Sealing diaphragm and methods of manufacturing said diaphragm

 #57
20200146851
2020-05-14

Pump system

 #58
20200116146
2020-04-16

DIAPHRAGM PUMP

 #59
20200101499
2020-04-02

Cleaning apparatuses and devices for applying cleaning fluid to substrates

 #60
20200085598
2020-03-19

Pump system

 #61
20200037826
2020-02-06

High quality non-aerosol hand sanitizing foam

 #62
20190376506
2019-12-12

Disc pump with advanced actuator

 #63
20190376503
2019-12-12

Diaphragm pump and valve plate thereof

 #64
20190345926
2019-11-14

Vacuum pumps and methods of manufacturing the same

 #65
20190301442
2019-10-03

Oscillating fan and electronic device having the same

 #66
20190286174
2019-09-19

Closed circulation system for production of a polymer solution and improving operating efficiency of a gas drainage pump used in a coal mine

 #67
20190154532
2019-05-23

Reciprocating pump

 #68
20190154025
2019-05-23

Mechanically driven modular diaphragm pump

 #69
20190145396
2019-05-16

Valve having a first and second obstruction confining the valve from leaving a confining region

 #70
20190093651
2019-03-28

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

 #71
20190063419
2019-02-28

Diaphragm pump comprising dust suction from below

 #72
20190037302
2019-01-31

Human-ear-wearable apparatus, system, and method of operation

 #73
20190031155
2019-01-31

CLEANING SYSTEM

 #74
20180320675
2018-11-08

Inflating device

 #75
20180289223
2018-10-11

Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems

 #76
20180238317
2018-08-23

Disposable alternating tangential flow filtration units

 #77
20180223829
2018-08-09

Fluid control device, decompression device, and compression device

 #78
20180223828
2018-08-09

Diaphragm pump

 #79
20180223826
2018-08-09

Dual diaphragm pump having a pressure pulsation pad

 #80
20180223817
2018-08-09

Reciprocating Pump Having a Combination Check Valve and Relief Valve

 #81
20180202427
2018-07-19

Method and control device for operating a reciprocating piston pump

 #82
20180193173
2018-07-12

Vacuum pump system with heel pump for a prosthetic leg

 #83
20180187672
2018-07-05

Blower

 #84
20180180325
2018-06-28

High temperature synthesis for power production and storage

 #85
20180135615
2018-05-17

Miniature vacuum/pressure diaphragm pumps with noise mitigation boot

 #86
20180119833
2018-05-03

Check valve and valve body

 #87
20180117611
2018-05-03

LOW-PRESSURE AND LOW-NOISE SPRAY DEVICE

 #88
20180100495
2018-04-12

Pump

 #89
20180099131
2018-04-12

Wound treatment apparatuses and methods for controlled delivery of fluids to a wound

 #90
20180087495
2018-03-29

Horizontal and vertical well fluid pumping system

 #91
20180079071
2018-03-22

Pneumatic exomuscle system and method

 #92
20180066762
2018-03-08

Fluid control device

 #93
20180058439
2018-03-01

Disc pump with advanced actuator

 #94
20180045190
2018-02-15

One piece diaphragm

 #95
20180030976
2018-02-01

Pump having freely movable member

 #96
20180017053
2018-01-18

Pump assembly for a pump, pump, and method for reducing or eliminating disturbing noises and / or vibrations in pumps

 #97
20180008436
2018-01-11

Pump mechanism for vacuum suspension system

 #98
20170350387
2017-12-07

Pressure monitoring apparatus

 #99
20170303031
2017-10-19

Human-ear-wearable apparatus, system, and method of operation

 #100
20170303027
2017-10-19

Human-ear-wearable apparatus, system, and method of operation

 #101
20170292511
2017-10-12

COMPRESSIBLE AIR PUMP

 #102
20170290470
2017-10-12

Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems

 #103
20170268461
2017-09-21

Fuel supply apparatus including a pressure reduction pump for general purpose engine

 #104
20170266680
2017-09-21

Three piece pump

 #105
20170254323
2017-09-07

Airflow generator

 #106
20170231437
2017-08-17

High quality non-aerosol hand sanitizing foam

 #107
20170218846
2017-08-03

Fuel system with vacuum generator to purge fuel from fuel nozzles

 #108
20170143172
2017-05-25

Foam dispensing systems, pumps and refill units having high air to liquid ratios

 #109
20170135532
2017-05-18

Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems

 #110
20170122303
2017-05-04

Structure for securing diaphragm, and diaphragm pump and valve device equipped with the same

 #111
20170107981
2017-04-20

Structure for securing diaphragm, diaphragm pump and valve device equipped with the same, and method of securing diaphragm

 #112
20170107980
2017-04-20

Inflating device

 #113
20170094834
2017-03-30

Thermal management via active surfaces

 #114
20170074260
2017-03-16

Air pump

 #115
20170071424
2017-03-16

Inflatable Wedge toilet seat lift

 #116
20170067456
2017-03-09

Dampening apparatus

 #117
20170058884
2017-03-02

Blower

 #118
20170045247
2017-02-16

Multi-pulse jet generator and air conditioner having same

 #119
20170022985
2017-01-26

Personal air sampling pump assembly

 #120
20170015148
2017-01-19

Dynamic tire pressure regulator for bicycles

 #121
20160377073
2016-12-29

Blower

 #122
20160369783
2016-12-22

KINETIC ENERGY RECOVERY SYSTEM

 #123
20160346100
2016-12-01

Pump system for use with a prosthetic device

 #124
20160338859
2016-11-24

Membrane pump system for use with a prosthetic system

 #125
20160327031
2016-11-10

Fluid control device

 #126
20160310801
2016-10-27

Detachable ball inflation and deflation device

 #127
20160265525
2016-09-15

Valve clack and air pump having same

 #128
20160237999
2016-08-18

System and method for cooling electrical components using an electroactive polymer actuator

 #129
20160230752
2016-08-11

Pump system and pump abnormality detection method

 #130
20160215684
2016-07-28

Method for operating a combustion engine and combustion engine for carrying out the method

 #131
20160208795
2016-07-21

Sleeping system

 #132
20160169218
2016-06-16

Metallic Sandwich Diaphragm Pump Mechanism

 #133
20160123315
2016-05-05

Rapid-discharge-valve structural body and diaphragm pump

 #134
20160115850
2016-04-28

Exhaust gas analyzing system and pumping device

 #135
20160108904
2016-04-21

Pulseless positive displacement pump and method of pulselessly displacing fluid

 #136
20160102662
2016-04-14

Pump assembly

 #137
20160053756
2016-02-25

Valve and valve seat for a diaphragm pump

 #138
20160051740
2016-02-25

Magnet-based systems and methods for transferring fluid

 #139
20160047375
2016-02-18

Diaphragm pump integrally including quick discharge valve unit

 #140
20160040664
2016-02-11

Valve clack and air pump having same

 #141
20160032905
2016-02-04

Contact Interface Energy Harvesting Systems and Methods

 #142
20160017881
2016-01-21

Diaphragm pump

 #143
20160003251
2016-01-07

Pump device and method for controlling the same

 #144
20160003232
2016-01-07

Disc pump with advanced actuator

 #145
20160000585
2016-01-07

Pump mechanism for vacuum suspension system

 #146
20150322938
2015-11-12

Precision Pump With Multiple Heads

 #147
20150300350
2015-10-22

High-efficiency double-intake air pump

 #148
20150267696
2015-09-24

Multi-port metering pump assembly and related methods

 #149
20150267694
2015-09-24

DIAPHRAGM PLATE GROUP FOR DIAPHRAGM PUMPS

 #150
20150245536
2015-08-27

Heat dissipating device and electronic apparatus

 #151
20150226207
2015-08-13

Hydraulic drive system for a pulseless positive displacement pump

 #152
20150226206
2015-08-13

Pulseless positive displacement pump and method of pulselessly displacing fluid

 #153
20150226205
2015-08-13

Mechanical drive system for a pulseless positive displacement pump

 #154
20150226192
2015-08-13

Electric drive system for a pulseless positive displacement pump

 #155
20150152859
2015-06-04

Heat dissipation device

 #156
20150152858
2015-06-04

Heat dissipation module

 #157
20150071797
2015-03-12

Blower

 #158
20150030476
2015-01-29

Pump unit driven by an electric motor

 #159
20150005709
2015-01-01

Method of making a corrugated deflection diaphragm

 #160
20140341755
2014-11-20

Horizontal and vertical well fluid pumping system

 #161
20140334956
2014-11-13

Pump for vehicle suspension system

 #162
20140271274
2014-09-18

Electromagnetic vibrating diaphragm pump

 #163
20140241922
2014-08-28

Structure of simplified inflation valve

 #164
20140230921
2014-08-21

Adjusting device for a vehicle component

 #165
20140227111
2014-08-14

Method of producing air for ventricular assist system

 #166
20140154117
2014-06-05

Diaphragm pump

 #167
20140099222
2014-04-10

Highly airtight gas pump

 #168
20140056744
2014-02-27

Valve and diaphragm for a pump

 #169
20140023533
2014-01-23

Electromagnetic vibrating diaphragm pump

 #170
20130294942
2013-11-07

Membrane pump with air release valve

 #171
20130272909
2013-10-17

Diaphragm with passive flow rate control for compression stage

 #172
20130236338
2013-09-12

Disc pump with advanced actuator

 #173
20130195693
2013-08-01

GRAPHENE-DRUM PUMP AND ENGINE SYSTEMS

 #174
20130055887
2013-03-07

MULTIPLE VALVE HEAD COMPRESSOR APPARATUS

 #175
20130034452
2013-02-07

Diaphragm pump

 #176
20120308415
2012-12-06

GRAPHENE-DRUM PUMP AND ENGINE SYSTEMS

 #177
20120123559
2012-05-17

PUMP COMPRISING A MOVING WALL AND USE OF A PUMP OF THIS TYPE

 #178
20120098215
2012-04-26

Pump for vehicle suspension system

 #179
20120073432
2012-03-29

Compressor and/or expander device with rolling piston seal

 #180
20120057734
2012-03-08

Hearing Device System and Method

 #181
20120034116
2012-02-09

COMPRESSOR

 #182
20120027628
2012-02-02

Compressor and oxygen concentrator

 #183
20120006192
2012-01-12

Adhesive attachment of the disc brake pushrod plate to the diaphragm

 #184
20110265898
2011-11-03

Sealed Manifold For Air Pump System

 #185
20110250958
2011-10-13

Apparatus and method for providing a user interface to an information processing system

 #186
20110224802
2011-09-15

SHOCK ABSORBING APPARATUS AND METHOD

 #187
20110190735
2011-08-04

Wound treatment apparatuses and methods for controlled delivery of fluids to a wound

 #188
20110103984
2011-05-05

Valve and diaphragm for a pump

 #189
20110073202
2011-03-31

Multiple configuration air mattress pump system

 #190
20110063582
2011-03-17

COOLING PUMP UNIT AND PROJECTION DISPLAY APPARATUS INCLUDING THE SAME

 #191
20100086419
2010-04-08

Membrane Suction Pump Unit

 #192
20090242061
2009-10-01

Dual-cavity fluid conveying apparatus

 #193
20090242060
2009-10-01

Fluid transportation device having multiple double-chamber actuating structures

 #194
20090177149
2009-07-09

Method of purging air from a medical fluid machine

 #195
20090159830
2009-06-25

Fluid transportation device

 #196
20090148318
2009-06-11

Piezoelectric Pump

 #197
20090047150
2009-02-19

Anti-jammed air pump

 #198
20090036998
2009-02-05

Vacuum pump for a prosthetic device

 #199
20080304979
2008-12-11

Reaction Drive Energy Transfer Device

 #200
20080181800
2008-07-31

POSITIVE DISPLACEMENT PUMP FOR TRANSPORTING A FLUID WITH AUTOMATIC ADAPTATION TO THE COMPRESSIBILITY OF THE FLUID

 #201
20080181795
2008-07-31

Multiple configuration air mattress pump system

 #202
20070215150
2007-09-20

Inhalation therapy device compressor

 #203
20070196222
2007-08-23

Pump comprising a moving wall and use of a pump of this type

 #204
20070157800
2007-07-12

Pump sealing apparatus

 #205
20060245949
2006-11-02

Electromagnetically bonded pumps and pump subassemblies and methods of fabrication

 #206
20060113249
2006-06-01

Medical fluid machine with air purging pump

 #207
20050265861
2005-12-01

Diaphragm pump

 #208
20050112004
2005-05-26

Pump

 #209
20050049513
2005-03-03

Pump provided with exhaust valve device and hemodynamometer incorporating the same

 #210
19012852
2025-07-01

Vacuum adsorber

 #211
14949514
2017-07-04

Pump tester