ClassID:

143034

F04B43/0081 - CPC Classification

Classification description:

Machines, pumps, or pumping installations having flexible working members; Special features systems, control, safety measures

Sub-classes:
Recent Application in this class:
#1
20260061119
2026-03-05

APPARATUS AND METHOD FOR INFUSING FLUID THROUGH A TUBE BY APPROPRIATELY HEATING THE TUBE

#2
20250223955
2025-07-10

BELLOWS PUMP DEVICE

#3
20250207578
2025-06-26

PERISTALTIC PUMP ACTUATED BY PIEZOELECTRIC TRANSDUCERS

#4
20250207577
2025-06-26

PUMP ACTUATED BY PIEZOELECTRIC TRANSDUCERS

#5
20250163904
2025-05-22

Valves with Overdriven Protection

#6
20250122872
2025-04-17

MULTI-CHANNEL PERISTALTIC PUMP

#7
20250067258
2025-02-27

PUMP FOR A BIOPROCESSING SYSTEM

#8
20240426288
2024-12-26

Pulsatile Fluid Pump System

#9
20240398671
2024-12-05

SET DETECTION AND FLOW MONITORING SYSTEM

#10
20240376888
2024-11-14

PROTECTION OF MAKE-UP SYSTEM FOR HIGH PRESSURE BELLOWS-STYLE PUMP SYSTEM

#11
20240376882
2024-11-14

FLUID PUMPING SYSTEMS, DEVICES AND METHODS

#12
20240360822
2024-10-31

Systems and Methods for Compressor Design

#13
20240271612
2024-08-15

PREDICTIVE TUBE FAILURE DETECTION FOR PUMP

#14
20240263981
2024-08-08

AIR DETECTION SYSTEM AND METHOD FOR DETECTING AIR IN A PUMP OF AN INFUSION SYSTEM

#15
20240263626
2024-08-08

Hydraulic Linkage Plunger Pushing Mechanism and Plunger Diaphragm Pump Using Same

#16
20240247651
2024-07-25

MICROFLUIDIC PUMP CONTROL

#17
20240209847
2024-06-27

CONTROL ARRANGEMENT AND METHOD FOR CONTROLLING A SENSORLESS MEMBRANE PUMP

#18
20240125314
2024-04-18

PROCESS FOR SENSORLESS DETECTION OF STROKE EXECUTION IN A MAGNETIC PUMP

#19
20230400019
2023-12-14

Fluid pumping systems, devices and methods

#20
20230364328
2023-11-16

APPARATUS AND METHOD FOR INFUSING FLUID THROUGH A TUBE BY APPROPRIATELY HEATING THE TUBE

#21
20230304487
2023-09-28

DIAPHRAGM POSITION CONTROL SYSTEM

#22
20230228263
2023-07-20

Aquarium peristaltic pump with rotation detection arrangement

#23
20230201430
2023-06-29

HYDRAULIC PUMPING SYSTEM FOR EXPRESSION OF BRAST MILK

#24
20230058894
2023-02-23

Air detection system and method for detecting air in a pump of an infusion system

#25
20230033996
2023-02-02

System and method for operating a pump in a humidifier

#26
20230028806
2023-01-26

Peristaltic pump having temperature-compensated volumetric delivery

#27
20220412334
2022-12-29

MONITORING METHOD FOR MONITORING THE OPERATION OF A DOSING PUMP AND DOSING PUMP SYSTEM

#28
20220355251
2022-11-10

Plunger pumping arrangement for a hollow fiber filter

#29
20220341414
2022-10-27

Bellows pump device

#30
20220325226
2022-10-13

Method of actuation of an alternating tangential flow diaphragm pump

#31
20220282204
2022-09-08

Method of actuation of an alternating tangential flow diaphragm pump

#32
20220265993
2022-08-25

Pulsatile fluid pump system

#33
20220243714
2022-08-04

PUMP CONTROL BASED ON BUBBLE DETECTION

#34
20220236749
2022-07-28

Flushing pump

#35
20220205442
2022-06-30

METHOD FOR DETERMINING THE POSITION OF THE DIAPHRAGM OF AN ELECTRIC-MOTOR-DRIVEN DIAPHRAGM PUMP

#36
20220196006
2022-06-23

Breather valve

#37
20220193582
2022-06-23

ALTERNATING TANGENTIAL FLOW PUMPING METHOD

#38
20220186722
2022-06-16

METHOD FOR DETERMINING THE POSITION OF THE DIAPHRAGM OF AN ELECTRIC-MOTOR-DRIVEN DIAPHRAGM PUMP

#39
20220176027
2022-06-09

Disposable Medical Flow-Regulating Device and System

#40
20220112891
2022-04-14

Sewage basin pump control support

#41
20220082095
2022-03-17

Low pressure starter device for pneumatic pumps

#42
20210404459
2021-12-30

PERISTALTIC PUMP APPARATUS FOR USE WITH BIOPSY SAMPLING DEVICES

#43
20210332810
2021-10-28

Actuating and sensing module

#44
20210324848
2021-10-21

Air pump with external pressure relief valve

#45
20210285435
2021-09-16

Fluid pumping systems, devices and methods

#46
20210262461
2021-08-26

Systems and methods for compressor design

#47
20210215151
2021-07-15

DIAPHRAGM SYSTEM CONTROL HAVING A MAGNETICALLY RETAINED CLOSURE ELEMENT

#48
20210199102
2021-07-01

Bellows pressure relief valve

#49
20210164458
2021-06-03

PUMP DRIVE THAT MINIMIZES A PULSE WIDTH BASED ON VOLTAGE DATA TO IMPROVE INTAKE AND DISCHARGE STROKES

#50
20210148354
2021-05-20

Control of a high-pressure compressor

#51
20210148352
2021-05-20

Method of controlling the hydraulic fluid pressure of a diaphragm compressor

#52
20210140294
2021-05-13

Method, system and use of controlling working range of a pump bellows

#53
20210074438
2021-03-11

Fluid molecule system handled by artificial intelligence internet of things

#54
20210060216
2021-03-04

Negative pressure wound therapy device with silent piezoelectric pump

#55
20210046223
2021-02-18

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

#56
20200398198
2020-12-24

Plunger pumping arrangement for a hollow fiber filter

#57
20200386219
2020-12-10

Controlled crinkle diaphragm pump

#58
20200377839
2020-12-03

Method of actuation of an alternating tangential flow diaphragm pump

#59
20200332789
2020-10-22

FLUID DELIVERY SYSTEM

#60
20200325886
2020-10-15

Diaphragm rupture monitoring

#61
20200318631
2020-10-08

Piezoelectric pump device

#62
20200309110
2020-10-01

Method for calibrating a peristaltic pump, method for dispensing a quantity of liquid by means of a peristaltic pump and device for producing sterile preparations that can execute said methods

#63
20200271499
2020-08-27

Air detection system and method for detecting air in a pump of an infusion system

#64
20200263682
2020-08-20

Tube pump system and method for controlling the tube pump system

#65
20200238622
2020-07-30

Device for producing skin care pack using hydrogel, and control method thereof

#66
20200222602
2020-07-16

Hydraulic pumping system for expression of breast milk

#67
20200208624
2020-07-02

Pump head for a peristaltic pump

#68
20200205874
2020-07-02

Pump and generator with channels as fluid guides

#69
20200116144
2020-04-16

Hose pump rotor

#70
20200116142
2020-04-16

PUMP CHAMBER POSITION INDICATOR

#71
20200088213
2020-03-19

Pressure-controlling device, and pressure-using apparatus

#72
20200049141
2020-02-13

Diaphragm-type compressor, projector, cooler, and method for compressing fluid

#73
20200023107
2020-01-23

Drive device for a membrane fluid pump and operating method

#74
20200011319
2020-01-09

Variable geometry fuel sump pads

#75
20200002151
2020-01-02

Chemical product dispensing using a fluid drive and return home interface

#76
20190383282
2019-12-19

Displacement pump for medical liquids, blood treatment device, and method for controlling same

#77
20190376504
2019-12-12

Testing rotor engagement of a rotary peristaltic pump

#78
20190376502
2019-12-12

BRUSHLESS PUMP MOTOR SYSTEM

#79
20190368477
2019-12-05

METHOD TO USE AND CONTROL A DEVICE FOR FILLING CONTAINERS, AND FILLING DEVICE

#80
20190323492
2019-10-24

Fluid pumping systems, devices and methods

#81
20190301443
2019-10-03

Reduced pressurization shift within diaphragm pump cavity

#82
20190298913
2019-10-03

Apparatus and method for infusing fluid through a tube by appropriately heating the tube

#83
20190293062
2019-09-26

Pump monitoring system

#84
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

#85
20190285064
2019-09-19

Tube pump system and method for controlling the tube pump system

#86
20190275223
2019-09-12

Drive device for a membrane fluid pump and operating method

#87
20190249659
2019-08-15

Diaphragm pump

#88
20190201820
2019-07-04

Plunger pumping arrangement for a hollow fiber filter

#89
20190201654
2019-07-04

System and method for operating a pump in a humidifier

#90
20190195216
2019-06-27

Double membrane for a dust pump

#91
20190195215
2019-06-27

Sewage basin pump control support

#92
20190154532
2019-05-23

Reciprocating pump

#93
20190143015
2019-05-16

Medical treatment device and hose set for a medical treatment device and method for monitoring a peristaltic hose pump

#94
20190101939
2019-04-04

Control method of fluid device

#95
20190101425
2019-04-04

Air detection system and method for detecting air in a pump of an infusion system

#96
20190078565
2019-03-14

Pump drive that minimizes a pulse width based on voltage data to improve intake and discharge strokes

#97
20190063420
2019-02-28

Electronically controlled diaphragm pump

#98
20190040859
2019-02-07

Method of actuation of an alternating tangential flow diaphragm pump

#99
20190030235
2019-01-31

Surgical fluid management system

#100
20180372083
2018-12-27

HYDRAULIC DIAPHRAGM CONTROL

#101
20180355860
2018-12-13

Diaphragm Pump with Automatic Priming Function

#102
20180355859
2018-12-13

METER-TYPE MAGNETIC PUMP AND A LIGHT INTERRUPTING MODULE THEREOF

#103
20180347559
2018-12-06

Service module for troubleshooting pumping unit

#104
20180335028
2018-11-22

Positive displacement pump with pressure compensating calibration

#105
20180306170
2018-10-25

MEMBRANE FLUID PUMP

#106
20180238317
2018-08-23

Disposable alternating tangential flow filtration units

#107
20180230962
2018-08-16

Fresh water transport method utilizing anchored buoyant units powered by the changing height of a local tide

#108
20180171995
2018-06-21

MEMBRANE PUMP

#109
20180163713
2018-06-14

SYSTEMS, APPARATUSES, AND METHODS FOR CELL SORTING AND FLOW CYTOMETRY

#110
20180099131
2018-04-12

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

#111
20170372098
2017-12-28

Laboratory instrument

#112
20170370355
2017-12-28

Pump, a homogenizer comprising said pump and a method for pumping a liquid product

#113
20170350387
2017-12-07

Pressure monitoring apparatus

#114
20170350382
2017-12-07

Bellows pump apparatus

#115
20170326291
2017-11-16

Drug administration mechanism, method for using drug administration mechanism, and pump unit for drug administration mechanism

#116
20170312409
2017-11-02

Hydraulic pumping system for expression of breast milk

#117
20170258979
2017-09-14

Methods and systems of generating rapidly varying pressure amplitudes in fluidic circuits in a dialysis treatment system

#118
20170234309
2017-08-17

MAGNETICALLY BALANCED FINGER-TYPE PERISTALTIC PUMP

#119
20170211567
2017-07-27

Rotor device for peristaltic pump

#120
20170183976
2017-06-29

Actuation system utilizing MEMS technology

#121
20170175728
2017-06-22

Bellows pressure relief valve

#122
20170152869
2017-06-01

Method for controlling gas-pressure-driven apparatus and gas-pressure-driven apparatus

#123
20170152843
2017-06-01

Brushless pump motor system

#124
20170127956
2017-05-11

Fluid control device

#125
20170112332
2017-04-27

Rotary peristaltic dome pump

#126
20170045044
2017-02-16

PUMP CHAMBER POSITION INDICATOR

#127
20160377071
2016-12-29

FLUID APPARATUS

#128
20160375459
2016-12-29

Inline dispense capacitor system

#129
20160305410
2016-10-20

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

#130
20160298620
2016-10-13

MINIATURE PUMPS, ACTUATORS AND RELATED DEVICES AND METHODS FOR MAKING AND USE

#131
20160287779
2016-10-06

Surgical fluid management system

#132
20160230752
2016-08-11

Pump system and pump abnormality detection method

#133
20160195081
2016-07-07

Electronically controlled diaphragm pump

#134
20160166755
2016-06-16

Method and control apparatus for determining and adjusting a flow rate of a blood delivery pump

#135
20160158437
2016-06-09

Apparatus and method for infusing fluid through a tube by appropriately heating the tube

#136
20160146078
2016-05-26

Pump for pumping a liquid along at least one delivery path delimited by a deformable element braced in an axial direction by a stress anchor projecting through a pump rotation shaft

#137
20160138579
2016-05-19

Epicyclical fluid pump assembly

#138
20160123319
2016-05-05

Diaphragm pump with dual spring overfill limiter

#139
20160101226
2016-04-14

Sensing negative pressure with a pressure transducer

#140
20160082168
2016-03-24

Medical peristaltic pump

#141
20150322770
2015-11-12

Metal bellows equalizer capacity monitoring system

#142
20150308427
2015-10-29

Method for emptying a device for providing a liquid additive

#143
20150275886
2015-10-01

Magnetically balanced finger-type peristaltic pump

#144
20150252800
2015-09-10

Peristaltic pump rotor

#145
20150238677
2015-08-27

Pressure detection device of liquid flow route

#146
20150217040
2015-08-06

Peristaltic pump

#147
20150167659
2015-06-18

Diaphragm pump for dosing a fluid capable of automatic degassing and an according method

#148
20150139836
2015-05-21

Roller positioning system

#149
20150125316
2015-05-07

FLUID CONVEYING DEVICE AND DRIVING METHOD FOR FLUID CONVEYING DEVICE

#150
20150110655
2015-04-23

Linear peristaltic pump

#151
20150107329
2015-04-23

Pump having wear and wear rate detection

#152
20150064025
2015-03-05

High viscosity portion pump

#153
20150050161
2015-02-19

Air operated diaphragm pump

#154
20150023808
2015-01-22

Infusion pump including reverse loading protection

#155
20140348667
2014-11-27

Method and apparatus for increasing compressed air efficiency in a pump

#156
20140316590
2014-10-23

Control system for electromagnetic pumps

#157
20140294633
2014-10-02

Peristaltic pump having a leaking tube detecting chamber

#158
20140294608
2014-10-02

Leak detector for a persitaltic pump

#159
20140294607
2014-10-02

LIQUID TRANSPORTING APPARATUS AND LIQUID TRANSPORTING METHOD

#160
20140241905
2014-08-28

Positive displacement pump with pressure compensating calibration

#161
20140227112
2014-08-14

Vacuum pump

#162
20140227110
2014-08-14

Diaphragm pump with automatic priming function

#163
20140174475
2014-06-26

Liquid processing apparatus, liquid processing method, and storage medium for liquid process

#164
20140100526
2014-04-10

Infusion pump

#165
20140037466
2014-02-06

Diaphragm pump and method for delivering fine-grain powder with the aid of a diaphragm pump

#166
20140010675
2014-01-09

Pump for sterilisation apparatus

#167
20130315763
2013-11-28

Peristaltic pump tubing securing system

#168
20130280104
2013-10-24

Methods and devices for modulation of the operating point of liquid pumps in medical treatment devices

#169
20130272902
2013-10-17

Electronic control method and system for a piezo-electric pump

#170
20130261993
2013-10-03

Air detection system and method for detecting air in a pump of an infusion system

#171
20130202454
2013-08-08

Dosing pump unit and method for controlling a dosing pump unit

#172
20130183172
2013-07-18

Device for detecting breakage of a diaphragm in a hydraulically-actuated pump, a method of mounting such a device on a pump, and a pump fitted with such a device

#173
20130045112
2013-02-21

Tube positioner

#174
20130023848
2013-01-24

Infusion pump assembly having a reverse rotation prevention system and method for operating the same

#175
20120244016
2012-09-27

Milk pump device and method for displacing an amount of milk

#176
20120148429
2012-06-14

Fluid conveying device and driving method for fluid conveying device

#177
20120082576
2012-04-05

Pressure monitoring system for infusion pumps

#178
20120018448
2012-01-26

Product delivery and monitoring system

#179
20110318198
2011-12-29

Fluid flow rate compensation system using an integrated conductivity sensor to monitor tubing changes

#180
20110305584
2011-12-15

Adaptive accuracy for enteral feeding pump

#181
20110280747
2011-11-17

Pump with an elastic membrane and hydraulic control

#182
20110263021
2011-10-27

Method and device for industrial biolayer cultivation

#183
20110236932
2011-09-29

BIOPHARMACEUTICAL PLANT IN A COLUMN

#184
20110230814
2011-09-22

Method and apparatus for monitoring a peristaltic hose pump for conducting a fluid in a tubing

#185
20110223581
2011-09-15

ELECTRONICALLY CONTROLLED DIAPHRAGM PUMP

#186
20110218600
2011-09-08

Heat exchange systems, devices and methods

#187
20110200458
2011-08-18

MANAGING METHOD

#188
20110190735
2011-08-04

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

#189
20100319786
2010-12-23

Flow cytometer system with unclogging feature

#190
20100307616
2010-12-09

MICROFLUIDIC PUMP, FLUID GUIDING MODULE, AND FLUID TRANSPORTING SYSTEM

#191
20100284834
2010-11-11

Air operated diaphragm pump with electric generator

#192
20100198145
2010-08-05

Pump set with safety interlock

#193
20100189577
2010-07-29

Method for increasing compressed air efficiency in a pump

#194
20100160137
2010-06-24

Blood Processing Apparatus with Air Bubble Detector

#195
20100135824
2010-06-03

Process for Peristaltic Pump Control

#196
20100129247
2010-05-27

Peristaltic hose pump

#197
20100056994
2010-03-04

Pumping apparatus with secure loading features

#198
20090240201
2009-09-24

Magnetically balanced finger-type peristaltic pump

#199
20090234289
2009-09-17

Method and device for determining the effective delivery rate or adjusting the speed of a peristaltic pump

#200
20090214365
2009-08-27

Method and system for loading of tubing into a pumping device

#201
20090192461
2009-07-30

Infusion device and method

#202
20090169398
2009-07-02

Transfer pump for high-pressure gasoline injection

#203
20090163854
2009-06-25

Network communication and message protocol for a medical perfusion system

#204
20090053083
2009-02-26

Method and device for operating an electric peristaltic hose pump

#205
20090047150
2009-02-19

Anti-jammed air pump

#206
20090047137
2009-02-19

Control system for electromagnetic pumps

#207
20090035165
2009-02-05

Addressable multi-channel peristaltic pump

#208
20090010777
2009-01-08

Fluid circulation device

#209
20080273997
2008-11-06

Diaphragm pump position control with offset valve axis

#210
20080241634
2008-10-02

PUMP DRIVING MODULE AND FUEL CELL SYSTEM EQUIPPED WITH THE SAME

#211
20080221495
2008-09-11

Blood pump system user interface alarm management

#212
20080181790
2008-07-31

Pump and pump control circuit apparatus and method

#213
20080181788
2008-07-31

Pump and pump control circuit apparatus and method

#214
20080181786
2008-07-31

Pump and pump control circuit apparatus and method

#215
20080175719
2008-07-24

Fluid pumping systems, devices and methods

#216
20080152512
2008-06-26

INFILTRATION PUMP HAVING INSULATED ROLLERS AND PROGRAMMABLE FOOT PEDAL

#217
20080152508
2008-06-26

Pump and pump control circuit apparatus and method

#218
20080145248
2008-06-19

Liquid chemical supply system and liquid chemical supply control device

#219
20080138218
2008-06-12

Micropump, tube unit, and control unit

#220
20080138211
2008-06-12

Pump and valve system

#221
20080092961
2008-04-24

Flow cytometer system with unclogging feature

#222
20080058697
2008-03-06

Heat exchange systems, devices and methods

#223
20080031740
2008-02-07

Fluid conveyance system and fluid conveyance device

#224
20080025854
2008-01-31

Peristaltic pump

#225
20070292285
2007-12-20

Diaphragm Pump

#226
20070253833
2007-11-01

Pump set with safety interlock

#227
20070253832
2007-11-01

Method and apparatus for controlling fluid flow

#228
20070253463
2007-11-01

Thermal and coductivity sensing systems, devices and methods

#229
20070243990
2007-10-18

Extracorporeal blood processing apparatus with pump balancing

#230
20070231205
2007-10-04

FlUIDIC CASSETTE DETECTION MECHANISM

#231
20070208306
2007-09-06

Pumping apparatus with secure loading features

#232
20070207041
2007-09-06

Method of operating a peristaltic pump

#233
20070177998
2007-08-02

Liquid chemical supply system

#234
20070177985
2007-08-02

Integral sensor and control for dry run and flow fault protection of a pump

#235
20070140878
2007-06-21

Hydraulically-actuated diaphragm pump with a leak compensation device

#236
20070140875
2007-06-21

Piezoelectric pump

#237
20070134050
2007-06-14

Reversible electric pump and paint roller assembly

#238
20070098565
2007-05-03

Infusion pump having function keys

#239
20070059184
2007-03-15

Flow optical analysis for peristaltic and other rotary pumps

#240
20060290464
2006-12-28

Network communication and message protocol for a medical perfusion system

#241
20060224099
2006-10-05

Control system for driving fluids through an extracorporeal blood circuit

#242
20060222561
2006-10-05

Control system for driving fluids through an extracorporeal blood circuit

#243
20060219644
2006-10-05

Control system for driving fluids through an extracorporeal blood circuit

#244
20060219642
2006-10-05

Control system and method for an air-operated pump

#245
20060217651
2006-09-28

Control system for driving fluids through an extracorporeal blood circuit

#246
20060204367
2006-09-14

Pump and pump control circuit apparatus and method

#247
20050238504
2005-10-27

Flexible tank and a chemical liquid supply apparatus using the same

#248
20050219288
2005-10-06

Piezoelectric devices and methods and circuits for driving same

#249
20050180856
2005-08-18

Drive technology for peristaltic and rotary pumps

#250
20050100450
2005-05-12

Methods and systems for pulsed delivery of fluids from a pump

#251
20050049539
2005-03-03

Control system for driving fluids through an extracorporeal blood circuit