ClassID:

143086

F04B45/043 - 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 two or more plate-like pumping flexible members in parallel

Recent Application in this class:
#1
20260146596
2026-05-28

PUMP AND A SENSOR CLEANING DEVICE INCLUDING THE SAME

#2
20260146595
2026-05-28

NOVEL DESIGN AND PRODUCTION TECHNIQUE OF SYNTHETIC JET ACTUATORS

#3
20260138864
2026-05-21

AIRFLOW GENERATING DEVICE AND ITS APPLICATIONS

#4
20260022695
2026-01-22

PUMP AND VALVE SYSTEM

#5
20260013678
2026-01-15

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

#6
20250331756
2025-10-30

PATIENT MONITORING SYSTEMS, DEVICES, AND METHODS

#7
20250255528
2025-08-14

BLOOD PRESSURE MONITOR ASSEMBLY

#8
20250243883
2025-07-31

PNEUMATIC DRIVE DEVICE FOR TRANSLATIONAL AND/OR ROTATIONAL MOVEMENT

#9
20250223957
2025-07-10

AIR QUALITY SENSING MODULE IN HANDHELD DEVICE AND AIR PUMP

#10
20250180005
2025-06-05

METHOD OF PRODUCING COMPRESSED AIR VIA ENERGY EXCHANGE WITH COMPRESSED NATURAL GAS

#11
20250116269
2025-04-10

DOUBLE DIAPHRAGM PUMP

#12
20240328441
2024-10-03

Novel Design and Production Technique of Synthetic Jet Actuators

#13
20240309866
2024-09-19

COMPACT MULTI-CHAMBER FOAM-AT-A-DISTANCE PUMPS AND DISPENSERS

#14
20240298952
2024-09-12

ELECTROCARDIOGRAM DEVICE

#15
20240295215
2024-09-05

MEMBRANE COMPRESSOR

#16
20240234247
2024-07-11

PIEZOELECTRIC MEMS-BASED ACTIVE COOLING FOR HEAT DISSIPATION IN COMPUTE DEVICES

#17
20240200550
2024-06-20

HIGH-THROUGHPUT DIAPHRAGM COMPRESSOR

#18
20240200549
2024-06-20

DIAPHRAGM PUMP AND PRESSURE REGULATING APPARATUS

#19
20240136252
2024-04-25

PIEZOELECTRIC MEMS-BASED ACTIVE COOLING FOR HEAT DISSIPATION IN COMPUTE DEVICES

#20
20240117802
2024-04-11

Hydraulic drive for diaphragm compressor

#21
20230309892
2023-10-05

PHYSIOLOGICAL MONITORING DEVICE ATTACHMENT ASSEMBLY

#22
20230293078
2023-09-21

BLOOD PRESSURE MONITOR ATTACHMENT ASSEMBLY

#23
20230258168
2023-08-17

High-throughput diaphragm compressor

#24
20230198339
2023-06-22

Fluid plate assembly

#25
20230190049
2023-06-22

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

#26
20230147328
2023-05-11

High-throughput diaphragm compressor

#27
20230145160
2023-05-11

High-throughput diaphragm compressor

#28
20230144628
2023-05-11

High-throughput diaphragm compressor

#29
20230003210
2023-01-05

PUMP ASSEMBLY

#30
20220299019
2022-09-22

BLOOD TREATMENT SYSTEM HAVING BACKFLOW PREVENTION

#31
20220290664
2022-09-15

Fluid control device

#32
20220275798
2022-09-01

A Diaphragm Pump

#33
20220235754
2022-07-28

DIAPHRAGM PUMP DRIVE FOR AN ELECTRIC PUMP

#34
20220196006
2022-06-23

Breather valve

#35
20220189852
2022-06-16

MEMS-based active cooling systems

#36
20220145874
2022-05-12

ACTIVE OIL INJECTION SYSTEM FOR A DIAPHRAGM COMPRESSOR

#37
20220139804
2022-05-05

Mobile phone and other compute device cooling architecture

#38
20220136495
2022-05-05

Four-cylinder diaphragm pump

#39
20220099084
2022-03-31

Miniature fluid transportation device

#40
20210363983
2021-11-25

MIcro Pump Systems and Processing Techniques

#41
20210324851
2021-10-21

Piezoelectric pump having a heat-dissipating arrangement

#42
20210324848
2021-10-21

Air pump with external pressure relief valve

#43
20210285436
2021-09-16

DIAPHRAGM PUMP AND PRESSURE REGULATING APPARATUS

#44
20210199106
2021-07-01

Microblower

#45
20210190065
2021-06-24

FLUID PUMPING SYSTEMS INCORPORATING DIAPHRAGM PUMPS AND STRAIN MEASUREMENT DEVICES

#46
20210183743
2021-06-17

Two-dimensional addessable array of piezoelectric MEMS-based active cooling devices

#47
20210145221
2021-05-20

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

#48
20210143084
2021-05-13

Piezoelectric MEMS-based active cooling for heat dissipation in compute devices

#49
20210138139
2021-05-13

PUMP SYSTEM, DIALYSIS MACHINE, AND METHOD OF OPERATING A PUMP

#50
20210123440
2021-04-29

Pump assemblies configured for drive and pump end interchangeability

#51
20210071658
2021-03-11

Diaphragm pump

#52
20210046801
2021-02-18

TARGETED CABIN THERMAL COMFORT

#53
20210025379
2021-01-28

Fluid control device

#54
20210022628
2021-01-28

Patient monitoring systems, devices, and methods

#55
20200381339
2020-12-03

Mobile phone and other compute device cooling architecture

#56
20200332790
2020-10-22

Pump and fluid control device

#57
20200330037
2020-10-22

Physiological monitoring device attachment assembly

#58
20200329993
2020-10-22

Electrocardiogram device

#59
20200329984
2020-10-22

Blood pressure monitor attachment assembly

#60
20200329983
2020-10-22

Liquid inhibiting air intake for blood pressure monitor

#61
20200284249
2020-09-10

Electromagnetic cooling fan

#62
20200256587
2020-08-13

High temperature synthesis for power production and storage

#63
20200248683
2020-08-06

Pump assembly

#64
20200208626
2020-07-02

HORIZONTAL AND VERTICAL WELL FLUID PUMPING SYSTEM

#65
20200149526
2020-05-14

Quick-Exhaust Diaphragm Pump

#66
20200088219
2020-03-19

Pneumatic pump

#67
20200063732
2020-02-27

Airway pressure device with micro-pump system

#68
20200051895
2020-02-13

Piezoelectric MEMS-based active cooling for heat dissipation in compute devices

#69
20200049388
2020-02-13

Method and system for driving piezoelectric MEMS-based active cooling devices

#70
20200049387
2020-02-13

Combined architecture for cooling devices

#71
20200049386
2020-02-13

Two-dimensional addessable array of piezoelectric MEMS-based active cooling devices

#72
20200049143
2020-02-13

Chamber architecture for cooling devices

#73
20200037826
2020-02-06

High quality non-aerosol hand sanitizing foam

#74
20200003203
2020-01-02

EXTRUSION PUMPING MODULE AND DIAPHRAGM FLUID SUPPLY DEVICE USING THE SAME

#75
20200003197
2020-01-02

Hypocycloid compressor

#76
20190301443
2019-10-03

Reduced pressurization shift within diaphragm pump cavity

#77
20190293523
2019-09-26

Microfabricated fractionator for particulate matter monitor

#78
20190232217
2019-08-01

Personal oxygen enhanced breathing system

#79
20190209770
2019-07-11

Blood treatment system having pulsatile blood intake

#80
20190209769
2019-07-11

Medical fluid pumping system including pump and machine chassis mounting regime

#81
20190209768
2019-07-11

Medical fluid delivery device actuated via motive fluid

#82
20190145397
2019-05-16

DIAPHRAM PUMPS WITH AIR SAVINGS DEVICES

#83
20190145396
2019-05-16

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

#84
20190128251
2019-05-02

Gas transportation device

#85
20180289223
2018-10-11

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

#86
20180258923
2018-09-13

Micro pump systems and processing techniques

#87
20180223828
2018-08-09

Diaphragm pump

#88
20180223824
2018-08-09

Pump with motor

#89
20180180325
2018-06-28

High temperature synthesis for power production and storage

#90
20180142684
2018-05-24

Diaphragm pump

#91
20180119694
2018-05-03

Compact pump and diaphragm assembly used therein

#92
20180087495
2018-03-29

Horizontal and vertical well fluid pumping system

#93
20180045192
2018-02-15

Membrane pump, in particular for use in the exhaust gas system of an internal combustion engine, and internal combustion engine comprising a membrane pump

#94
20180045190
2018-02-15

One piece diaphragm

#95
20170370357
2017-12-28

Pneumatic pump

#96
20170363076
2017-12-21

Modular stacked variable-compression micropump and method of making same

#97
20170328359
2017-11-16

PUMP CONTROL FOR LOW FLOW VOLUMES

#98
20170306935
2017-10-26

Reciprocating pump

#99
20170290470
2017-10-12

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

#100
20170231437
2017-08-17

High quality non-aerosol hand sanitizing foam

#101
20170226997
2017-08-10

Diaphragm pumps with air savings devices

#102
20170156550
2017-06-08

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

#103
20170146003
2017-05-25

AIR-OPERATED DOUBLE DIAPHRAGM PUMP

#104
20170074260
2017-03-16

Air pump

#105
20170045247
2017-02-16

Multi-pulse jet generator and air conditioner having same

#106
20170009760
2017-01-12

Double diaphragm pump

#107
20160309259
2016-10-20

Electrically conductive membrane pump system

#108
20160305410
2016-10-20

High-pressure to low-pressure changeover valve for a positive displacement pump

#109
20160265525
2016-09-15

Valve clack and air pump having same

#110
20160215684
2016-07-28

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

#111
20160201665
2016-07-14

Gas control device

#112
20160199607
2016-07-14

Respiratory therapy apparatus

#113
20160121351
2016-05-05

DOUBLE ACTING BLADDER PUMP

#114
20160102662
2016-04-14

Pump assembly

#115
20160053441
2016-02-25

Pneumatic roadway energy recovery system

#116
20160047375
2016-02-18

Diaphragm pump integrally including quick discharge valve unit

#117
20160040664
2016-02-11

Valve clack and air pump having same

#118
20150337827
2015-11-26

Four-compression-chamber diaphragm pump with diaphragm positioning structures to reduce vibration

#119
20150337826
2015-11-26

Compressing diaphragm pump with multiple effects

#120
20150316046
2015-11-05

Planar coil and support for actuator of fluid mover

#121
20150267695
2015-09-24

Micro pump systems

#122
20150260181
2015-09-17

Micro pumps

#123
20150233366
2015-08-20

Fluid-driven pump having a modular insert and related methods

#124
20150152859
2015-06-04

Heat dissipation device

#125
20150098846
2015-04-09

Diaphragm pumps and pumping systems

#126
20150004019
2015-01-01

Diaphragm pumps with air savings devices

#127
20150004003
2015-01-01

Air mass control for diaphragm pumps

#128
20140341755
2014-11-20

Horizontal and vertical well fluid pumping system

#129
20140271274
2014-09-18

Electromagnetic vibrating diaphragm pump

#130
20140227111
2014-08-14

Method of producing air for ventricular assist system

#131
20140161654
2014-06-12

Pump, in particular pneumatic pump

#132
20140099222
2014-04-10

Highly airtight gas pump

#133
20140023533
2014-01-23

Electromagnetic vibrating diaphragm pump

#134
20140023531
2014-01-23

Electromagnetic vibrating diaphragm pump with function preventing fluid leakage to electromagnetic portion

#135
20140003978
2014-01-02

Electromagnetic vibrating diaphragm pump

#136
20130333564
2013-12-19

System and method for concentrating gas

#137
20130280102
2013-10-24

Modular fluid-driven diaphragm pump and related methods

#138
20130189135
2013-07-25

Air pump structure

#139
20130136637
2013-05-30

Miniature pump

#140
20130064687
2013-03-14

Shuttling by-pass compressor apparatus

#141
20130058802
2013-03-07

Low ice pneumatic motor exhaust muffler

#142
20120315166
2012-12-13

Diaphragm pump with inlet pathways passing through mounting holes

#143
20120304993
2012-12-06

Pump unit and breathing assistance device

#144
20120224984
2012-09-06

Diaphragm pump and pumping systems

#145
20120189468
2012-07-26

Multi-stage diaphragm suction pump

#146
20110277968
2011-11-17

AIRFLOW GENERATOR AND HEAT DISSIPATION DEVICE INCORPORATING THE SAME

#147
20110277464
2011-11-17

Motor-pump assembly

#148
20110271670
2011-11-10

Motor-pump assembly

#149
20110250958
2011-10-13

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

#150
20110229359
2011-09-22

Diaphragm pump for a seat adjusting device and seat adjusting device

#151
20100316512
2010-12-16

DIAPHRAGM PUMP WITH TWO DIAPHRAGM HEADS AND TWO SEPARATE PUMP HOUSINGS

#152
20100263750
2010-10-21

Multi-stage membrane suction pump

#153
20100247334
2010-09-30

Piston systems having a flow path between piston chambers, pumps including a flow path between piston chambers, and methods of driving pumps

#154
20100111715
2010-05-06

Air supply mechanism for ventricular assist system

#155
20100045096
2010-02-25

Motor/pump assembly

#156
20090304534
2009-12-10

Electric oscillating drive

#157
20090050652
2009-02-26

Liquid dispenser

#158
20080279702
2008-11-13

HANDHELD VACUUM SUCTION DEVICE

#159
20080267800
2008-10-30

Reciprocating Pump

#160
20080260551
2008-10-23

ROLLING DIAPHRAGM PUMP

#161
20080236116
2008-10-02

Dust collecting mechanism

#162
20080092884
2008-04-24

Scotch yoke with anti-lash assembly

#163
20080086062
2008-04-10

Body pulsating method and apparatus

#164
20080077068
2008-03-27

Diaphragm pump and related methods

#165
20080060515
2008-03-13

DIAPHRAGM-TYPE VACUUM PUMP

#166
20080050251
2008-02-28

Reciprocatory fluid pump

#167
20070261553
2007-11-15

Capillary flow restrictor apparatus

#168
20070258835
2007-11-08

Diaphragm pump

#169
20070140879
2007-06-21

Air pump with improved air intake control structure

#170
20060269614
2006-11-30

Multi-cell polarizer systems for hyperpolarizing gases

#171
20050254971
2005-11-17

Electromagnetic vibrating type diaphragm pump

#172
20050235988
2005-10-27

Body pulsating method and apparatus

#173
20050196302
2005-09-08

Air pump

#174
20050163634
2005-07-28

Rapid exhausting mechanism in pump unit

#175
20050047940
2005-03-03

Pump provided with exaust valve device and hemodynamometer incorporating the same

#176
20050047934
2005-03-03

Pump provided with exhaust valve device and hemodynamometer incorporating the same