ClassID:

143088

F04B45/047 - page 2 - 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 Pumps having electric drive

Recent Application in this class:
#301
20180066649
2018-03-08

Miniature fluid control device

#302
20180058446
2018-03-01

Micro pump and method for manufacturing a micro pump

#303
20180058439
2018-03-01

Disc pump with advanced actuator

#304
20180051686
2018-02-22

Pump having a top portion fixed to an external structure

#305
20180017053
2018-01-18

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

#306
20170368239
2017-12-28

Pressure sampling systems and methods for negative pressure wound therapy

#307
20170363076
2017-12-21

Modular stacked variable-compression micropump and method of making same

#308
20170342971
2017-11-30

Systems and methods for supplying reduced pressure using a disc pump with electrostatic actuation

#309
20170328359
2017-11-16

PUMP CONTROL FOR LOW FLOW VOLUMES

#310
20170292509
2017-10-12

Valve and fluid control device

#311
20170290470
2017-10-12

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

#312
20170254323
2017-09-07

Airflow generator

#313
20170248135
2017-08-31

AIR-COOLING SYSTEM AND AIRFLOW GENERATOR

#314
20170233878
2017-08-17

Electrochemical hydrogen pump

#315
20170231437
2017-08-17

High quality non-aerosol hand sanitizing foam

#316
20170226996
2017-08-10

Miniature diaphragm pump with enlarged operation time

#317
20170226994
2017-08-10

Pump comprising a polygon-shaped piezo diaphragm transducer

#318
20170222125
2017-08-03

Piezoelectric actuator

#319
20170222123
2017-08-03

Piezoelectric actuator

#320
20170218949
2017-08-03

Valve and fluid control device

#321
20170218948
2017-08-03

Driving circuit for piezoelectric pump and control method thereof

#322
20170218942
2017-08-03

Miniature fluid control device

#323
20170218941
2017-08-03

Miniature fluid control device

#324
20170218940
2017-08-03

Miniature pneumatic device

#325
20170218939
2017-08-03

Miniature pneumatic device

#326
20170218938
2017-08-03

Miniature pneumatic device

#327
20170218758
2017-08-03

Linear actuator and method for operating such a linear actuator

#328
20170215744
2017-08-03

Valve, fluid control device, and sphygmomanometer

#329
20170198687
2017-07-13

PUMP APPARATUS AND PARTICLE DETECTOR HAVING A PUMP APPARATUS

#330
20170191474
2017-07-06

Method of pulselessly displacing fluid

#331
20170181894
2017-06-29

Negative pressure wound therapy apparatus

#332
20170173234
2017-06-22

Suction Pump with a Safety Valve

#333
20170152845
2017-06-01

Blower with a vibrating body having a restraining plate located on a periphery of the body

#334
20170143879
2017-05-25

Suction device

#335
20170138357
2017-05-18

Fluid control device

#336
20170127956
2017-05-11

Fluid control device

#337
20170106660
2017-04-20

Fluid transport device

#338
20170094834
2017-03-30

Thermal management via active surfaces

#339
20170074260
2017-03-16

Air pump

#340
20170074258
2017-03-16

MAGNETICALLY DRIVEN MICROPUMP

#341
20170058884
2017-03-02

Blower

#342
20170058883
2017-03-02

Membrane vacuum pump

#343
20170058882
2017-03-02

Fluid control device and pump

#344
20170047835
2017-02-16

Actuator, air pump, beauty treatment device, and laser scanning device

#345
20170043065
2017-02-16

Suction device

#346
20170042224
2017-02-16

Electronic vaporiser system

#347
20170037838
2017-02-09

Actuator support structure and pump device

#348
20170022985
2017-01-26

Personal air sampling pump assembly

#349
20170002839
2017-01-05

Acoustic-resonance fluid pump

#350
20160377073
2016-12-29

Blower

#351
20160367737
2016-12-22

Negative pressure wound therapy apparatus

#352
20160348670
2016-12-01

Electric pump

#353
20160348666
2016-12-01

Piezoelectric blower

#354
20160348665
2016-12-01

High frequency oscillator ventilator

#355
20160309259
2016-10-20

Electrically conductive membrane pump system

#356
20160258430
2016-09-08

Method for generating a flow of fluid

#357
20160252088
2016-09-01

AIR SUPPLY DEVICE AND RELATED METHODS OF MANUFACTURE

#358
20160237999
2016-08-18

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

#359
20160208795
2016-07-21

Sleeping system

#360
20160201665
2016-07-14

Gas control device

#361
20160175474
2016-06-23

Removable cartridge for liquid diffusion device and cartridge insert thereof

#362
20160175473
2016-06-23

Removable cartridge for liquid diffusion device

#363
20160135714
2016-05-19

Exhalation measurement device, and control method

#364
20160131126
2016-05-12

Microelectromechanical systems fabricated with roll to roll processing

#365
20160108904
2016-04-21

Pulseless positive displacement pump and method of pulselessly displacing fluid

#366
20160102662
2016-04-14

Pump assembly

#367
20160084391
2016-03-24

CHECK VALVE MECHANISM AND PUMP DEVICE USING THE SAME

#368
20160076530
2016-03-17

Micro-gas pressure driving device

#369
20160061194
2016-03-03

Vibrational fluid mover jet with active damping mechanism

#370
20160036182
2016-02-04

Diaphragm Pump and Motor System and Method

#371
20160010636
2016-01-14

Piezoelectric blower

#372
20160003251
2016-01-07

Pump device and method for controlling the same

#373
20160003232
2016-01-07

Disc pump with advanced actuator

#374
20150367295
2015-12-24

HANDY PUMP

#375
20150351215
2015-12-03

Transversely actuated piezoelectric bellows heatsink

#376
20150337832
2015-11-26

Vibration-reducing structure for four-compression-chamber diaphragm pump

#377
20150337828
2015-11-26

Vibrational fluid mover active controller

#378
20150337827
2015-11-26

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

#379
20150337819
2015-11-26

Roundel structure for five-compressing-chamber diaphragm pump

#380
20150320958
2015-11-12

EAP-driven air pump for patient interfaces

#381
20150316047
2015-11-05

FLUID PUMP HAVING MATERIAL DISPLACEABLE RESPONSIVE TO ELECTRICAL ENERGY

#382
20150316046
2015-11-05

Planar coil and support for actuator of fluid mover

#383
20150300345
2015-10-22

Air supply device and related methods of manufacture

#384
20150298147
2015-10-22

Removable cartridge for liquid diffusion device

#385
20150292497
2015-10-15

Piezo pump and pressurized circuit provided therewith

#386
20150267695
2015-09-24

Micro pump systems

#387
20150260181
2015-09-17

Micro pumps

#388
20150245536
2015-08-27

Heat dissipating device and electronic apparatus

#389
20150226207
2015-08-13

Hydraulic drive system for a pulseless positive displacement pump

#390
20150226206
2015-08-13

Pulseless positive displacement pump and method of pulselessly displacing fluid

#391
20150226205
2015-08-13

Mechanical drive system for a pulseless positive displacement pump

#392
20150226192
2015-08-13

Electric drive system for a pulseless positive displacement pump

#393
20150198154
2015-07-16

VIBRATION-REDUCING STRUCTURE FOR COMPRESSING DIAPHRAGM PUMP

#394
20150192119
2015-07-09

PIEZOELECTRIC BLOWER

#395
20150152859
2015-06-04

Heat dissipation device

#396
20150152858
2015-06-04

Heat dissipation module

#397
20150147207
2015-05-28

Linear piezoelectric compressor

#398
20150144821
2015-05-28

REAR ELECTROMAGNET FOR VIBRATING PUMP AND VALVES

#399
20150109732
2015-04-23

Device and arrangement for generating a flow of air

#400
20150085501
2015-03-26

Heat dissipation device for lamps having diaphragm pump

#401
20150071797
2015-03-12

Blower

#402
20150056087
2015-02-26

Fluid control device

#403
20150038858
2015-02-05

Blood pressure meter and pump driving system

#404
20150030476
2015-01-29

Pump unit driven by an electric motor

#405
20150021410
2015-01-22

System and method for miniaturization of synthetic jets

#406
20150021409
2015-01-22

System and method for miniaturization of synthetic jets

#407
20150018787
2015-01-15

Wound closure and drainage system

#408
20140338868
2014-11-20

Heat dissipating system

#409
20140271274
2014-09-18

Electromagnetic vibrating diaphragm pump

#410
20140230921
2014-08-21

Adjusting device for a vehicle component

#411
20140227111
2014-08-14

Method of producing air for ventricular assist system

#412
20140178227
2014-06-26

Pump arrangement comprising a safety valve arrangement

#413
20140178220
2014-06-26

Piezoelectric micro-blower

#414
20140134024
2014-05-15

Extended elasticity of pump membrane with conserved pump force

#415
20140134023
2014-05-15

Progressive pump force regulation

#416
20140134019
2014-05-15

MAGNETIC CIRCUIT

#417
20140099222
2014-04-10

Highly airtight gas pump

#418
20140050604
2014-02-20

Fluid pump including a pressure oscillation with at least one nodal diameter

#419
20140023533
2014-01-23

Electromagnetic vibrating diaphragm pump

#420
20140010673
2014-01-09

Systems and methods for supplying reduced pressure using a disc pump with electrostatic actuation

#421
20140008038
2014-01-09

Thermal transferring method and structural device utilizing thermal energy body performing vibration displacement (relative) to fluid

#422
20140003978
2014-01-02

Electromagnetic vibrating diaphragm pump

#423
20130333564
2013-12-19

System and method for concentrating gas

#424
20130323099
2013-12-05

Synthetic jet equipment

#425
20130309107
2013-11-21

Vibration fan with movable magnetic component

#426
20130294942
2013-11-07

Membrane pump with air release valve

#427
20130281986
2013-10-24

Wound closure and drainage system

#428
20130276977
2013-10-24

Bonding method for bonding metal plate and piezoelectric body

#429
20130276906
2013-10-24

Disc pump valve with performance enhancing valve flap

#430
20130266461
2013-10-10

Actuator support structure and pump device

#431
20130230934
2013-09-05

System and method for miniaturization of synthetic jets

#432
20130189135
2013-07-25

Air pump structure

#433
20130071273
2013-03-21

Disc pump and valve structure

#434
20130064687
2013-03-14

Shuttling by-pass compressor apparatus

#435
20130058819
2013-03-07

Fluid control device

#436
20130058818
2013-03-07

Fluid control device

#437
20130058810
2013-03-07

Fluid control device

#438
20130058809
2013-03-07

Fluid control device

#439
20130052044
2013-02-28

Fluid feeding pump, medical apparatus, and air bubble detection method for fluid feeding pump

#440
20130039787
2013-02-14

ENERGY TRANSFER FLUID DIAPHRAGM AND DEVICE

#441
20130034452
2013-02-07

Diaphragm pump

#442
20130008545
2013-01-10

Device for creating fluid flow

#443
20120315166
2012-12-13

Diaphragm pump with inlet pathways passing through mounting holes

#444
20120304993
2012-12-06

Pump unit and breathing assistance device

#445
20120282113
2012-11-08

Gel coupling diaphragm for electrokinetic delivery systems

#446
20120195774
2012-08-02

Piezoelectric micro-blower

#447
20120189468
2012-07-26

Multi-stage diaphragm suction pump

#448
20120177506
2012-07-12

Magnetically actuated disposable cartridge pump, a pump system, and a method of pumping

#449
20120171062
2012-07-05

Fluid pump

#450
20120170216
2012-07-05

SYNTHETIC JET PACKAGING

#451
20120091863
2012-04-19

Structure for bonding metal plate and piezoelectric body and bonding method

#452
20120070323
2012-03-22

Diaphragm vacuum pump

#453
20120065457
2012-03-15

FLUID PRESSURE GENERATING MEANS

#454
20120027628
2012-02-02

Compressor and oxygen concentrator

#455
20110277464
2011-11-17

Motor-pump assembly

#456
20110274566
2011-11-10

Magnetically driven micropump

#457
20110271670
2011-11-10

Motor-pump assembly

#458
20110250958
2011-10-13

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

#459
20110190735
2011-08-04

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

#460
20110150669
2011-06-23

Non-Propeller Fan

#461
20110081267
2011-04-07

Pump

#462
20110076170
2011-03-31

Piezoelectric micro-blower

#463
20110070109
2011-03-24

Piezoelectric microblower

#464
20110061526
2011-03-17

Diaphragm pump

#465
20100272589
2010-10-28

Pump apparatus

#466
20100111715
2010-05-06

Air supply mechanism for ventricular assist system

#467
20100053891
2010-03-04

System and method for miniaturization of synthetic jets

#468
20100045096
2010-02-25

Motor/pump assembly

#469
20090304534
2009-12-10

Electric oscillating drive

#470
20090264837
2009-10-22

Wound closure and drainage system

#471
20090232684
2009-09-17

Piezoelectric micro-blower

#472
20090232683
2009-09-17

Piezoelectric micro-blower

#473
20090232682
2009-09-17

PIEZOELECTRIC MICRO-BLOWER

#474
20090191071
2009-07-30

Compressors

#475
20090169402
2009-07-02

Membrane pump

#476
20090162224
2009-06-25

Pump using unimorph diaphragm

#477
20090087323
2009-04-02

Acoustic pump utilizing radial pressure oscillations

#478
20090050652
2009-02-26

Liquid dispenser

#479
20080298988
2008-12-04

Air pump having an adjustable interval between an electromagnetic device and an air chamber

#480
20080260556
2008-10-23

Integrated pump and motor

#481
20080255405
2008-10-16

Fluid pressure generating means

#482
20080236116
2008-10-02

Dust collecting mechanism

#483
20080056915
2008-03-06

Compact vacuum pump

#484
20080050251
2008-02-28

Reciprocatory fluid pump

#485
20080033352
2008-02-07

Diaphragm pump with prophylactic cover

#486
20080027270
2008-01-31

Fluid pressure generating means

#487
20070297924
2007-12-27

Compact vacuum pump

#488
20070292276
2007-12-20

Membrane pump with bleed valve

#489
20070273248
2007-11-29

Motion amplification using piezoelectric element

#490
20070269321
2007-11-22

Compact vacuum pump

#491
20070267940
2007-11-22

COMPRESSOR AND COMPRESSION USING MOTION AMPLIFICATION

#492
20070263887
2007-11-15

VIBRATION AMPLIFICATION SYSTEM FOR PIEZOELECTRIC ACTUATORS AND DEVICES USING THE SAME

#493
20070261553
2007-11-15

Capillary flow restrictor apparatus

#494
20070258835
2007-11-08

Diaphragm pump

#495
20070253832
2007-11-01

Method and apparatus for controlling fluid flow

#496
20070166180
2007-07-19

Compact vacuum pump

#497
20070140879
2007-06-21

Air pump with improved air intake control structure

#498
20070101999
2007-05-10

High frequency oscillator ventilator

#499
20070076375
2007-04-05

Synthetic jet-based heat dissipation device

#500
20070031268
2007-02-08

Compact vacuum pump

#501
20060201327
2006-09-14

Gas flow generator

#502
20060159568
2006-07-20

Device for generating a medium stream

#503
20060120897
2006-06-08

Compressors

#504
20060025693
2006-02-02

Air pump, living body pressurization air intake and exhaust device, and electronic sphygmomanometer

#505
20050254971
2005-11-17

Electromagnetic vibrating type diaphragm pump

#506
20050196303
2005-09-08

Split-housing pipette pump

#507
20050196302
2005-09-08

Air pump

#508
20050163634
2005-07-28

Rapid exhausting mechanism in pump unit

#509
20050139007
2005-06-30

Modified dual diaphragm pressure sensor

#510
20050089415
2005-04-28

Diaphragm air pump

#511
20050069428
2005-03-31

Actuating rod in a diaphragm pump

#512
20050047940
2005-03-03

Pump provided with exaust valve device and hemodynamometer incorporating the same

#513
20050047934
2005-03-03

Pump provided with exhaust valve device and hemodynamometer incorporating the same

#514
20050047923
2005-03-03

Compact linear air pump and valve package

#515
20050037483
2005-02-17

Vacuum device for substance extraction

#516
19293033
2026-02-10

Dual-duct air pump

#517
17473810
2023-07-04

Method and system for driving and balancing actuators usable in MEMS-based cooling systems