ClassID:

143026

F04B43/0009 - CPC Classification

Classification description:

Machines, pumps, or pumping installations having flexible working members Special features

Sub-classes:
Recent Application in this class:
#1
20260126035
2026-05-07

DIAPHRAGM ASSEMBLY AND DIAPHRAGM PUMP

#2
20250353026
2025-11-20

PUMPING DEVICE

#3
20250264097
2025-08-21

MODULAR VALVE APPARATUS AND SYSTEM

#4
20250075825
2025-03-06

VIRTUAL VALVE IN A MEMS-BASED COOLING SYSTEM

#5
20240410348
2024-12-12

Pump-Based Fluid Flow Meter

#6
20240261481
2024-08-08

PERISTALTIC PUMPING DEVICE AND MEDICAL APPARATUS, IN PARTICULAR FOR DIALYSIS, INCORPORATING IT

#7
20240141883
2024-05-02

SELF-LOCKING MEMBRANE SYSTEM

#8
20230160379
2023-05-25

Modular valve apparatus and system

#9
20230104415
2023-04-06

Oil-scavenge pump and method for assembling the same

#10
20230097493
2023-03-30

Oil-scavenge pump and method for assembling the same

#11
20230034207
2023-02-02

Down-lock bellows pump

#12
20220381344
2022-12-01

Conveyor device having an elestically deformable element with a counter surface extending over three arc sections

#13
20220260069
2022-08-18

Multi-roller peristaltic pump head

#14
20220049687
2022-02-17

Pump having a pressure sensor to displace a known volume of fluid from a reservoir, which stretches and contracts

#15
20220003228
2022-01-06

Linear peristaltic metering pump

#16
20210340968
2021-11-04

DEVICE FOR EXTRACORPOREAL BLOOD TREATMENT

#17
20210195956
2021-07-01

Magnetic drive pumping apparatus for electronic cigarette liquids and electronic cigarette product including the magnetic drive pumping apparatus

#18
20210180723
2021-06-17

Virtual valve in a MEMS-based cooling system

#19
20210131417
2021-05-06

DIAPHRAGM PUMP WITH SENSOR MOUNT

#20
20200301453
2020-09-24

Modular valve apparatus and system

#21
20200291930
2020-09-17

Pump assembly with a rotational to reciprocal action transmission and a diaphragm pump

#22
20200205879
2020-07-02

Peristaltic pump assembly and system

#23
20200003202
2020-01-02

Method and system for metering fluid flow from a fluid source based on a count of pump strokes

#24
20190136845
2019-05-09

Filled resin layer separated pump housing

#25
20190120261
2019-04-25

Device for extracorporeal blood treatment

#26
20180333654
2018-11-22

Fluid Treatment System and Method of Use Utilizing a Membrane

#27
20180245584
2018-08-30

Disposable interconnected pump cassettes having first and second pump chambers with valved inlet and outlet connections

#28
20180202428
2018-07-19

Piezoelectric motor having a main body structured as a polygonal prism

#29
20180200428
2018-07-19

Shaped elastomeric infusion pump

#30
20180142684
2018-05-24

Diaphragm pump

#31
20180106798
2018-04-19

CAPACITIVE PUMPING AND FLOW CONTROL

#32
20180066644
2018-03-08

Fluid control device

#33
20180051686
2018-02-22

Pump having a top portion fixed to an external structure

#34
20180008911
2018-01-11

Filtering device and cleaning unit for removing dirt particles from a filter element of a filtering device

#35
20170350388
2017-12-07

Peristaltic pump head having a reduction gear and triangular circuit board snap-fit to a pump housing and having changeable orientations

#36
20170130710
2017-05-11

Fluid pump comprising a conical body precessed about its apex by a driver connected by a drive shaft to a boss eccentrically carried by a drive plate such that a rotating pump chamber is formed by a flexible membrane attached to the conical body

#37
20170051735
2017-02-23

Continuous sample delivery peristaltic pump

#38
20160245277
2016-08-25

System for sealing a pump cassette against a cassette control assembly

#39
20160239025
2016-08-18

Modular valve apparatus and system

#40
20160201663
2016-07-14

Diaphragm pump with sensor mount

#41
20150267694
2015-09-24

DIAPHRAGM PLATE GROUP FOR DIAPHRAGM PUMPS

#42
20150141288
2015-05-21

Longitudinal assay

#43
20140010689
2014-01-09

Bellows pump

#44
20130236335
2013-09-12

Capacitive pumping and flow control

#45
20130195683
2013-08-01

Pre-charging pump chamber by preemptively opening a valve

#46
20130195290
2013-08-01

GRAPHENE-DRUM PUMP AND ENGINE SYSTEMS

#47
20120308415
2012-12-06

GRAPHENE-DRUM PUMP AND ENGINE SYSTEMS

#48
20120308409
2012-12-06

Pump based fluid flow meter

#49
20120129271
2012-05-24

Longitudinal assay

#50
20120030933
2012-02-09

System and method for pumping fluid using a pump cassette

#51
20110158822
2011-06-30

Method and Device for Automatically Conveying Liquids of Gases

#52
20090185920
2009-07-23

System and Method for Pumping Fluid Using a Pump Cassette

#53
20090159830
2009-06-25

Fluid transportation device

#54
20090115199
2009-05-07

Door locking mechanism

#55
20080175093
2008-07-24

System, device, and method for mixing liquids

#56
20080138223
2008-06-12

System and Method for Pumping Fluid Using A Pump Cassette

#57
20080112258
2008-05-15

Two-stage mixing system, apparatus, and method

#58
20060275166
2006-12-07

Fuel pump for an internal combustion engine

#59
20060269425
2006-11-30

Diaphragm assembly for a pump

#60
20060110268
2006-05-25

Diaphragm pump

#61
20050095154
2005-05-05

Bezel assembly for pneumatic control

#62
20050095153
2005-05-05

Pump cassette bank

#63
20050095152
2005-05-05

Door locking mechanism

#64
20050095141
2005-05-05

System and method for pumping fluid using a pump cassette

#65
20050094485
2005-05-05

System, device, and method for mixing liquids

#66
20050094483
2005-05-05

Two-stage mixing system, apparatus, and method

#67
20050037483
2005-02-17

Vacuum device for substance extraction

#68
19015541
2026-05-05

Diaphragm assembly and diaphragm pump

#69
14987502
2017-03-07

Unmanned underwater vehicle sea floor separation device